/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 20:09:55,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 20:09:55,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 20:09:55,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 20:09:55,862 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.epf [2021-08-12 20:09:55,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 20:09:55,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 20:09:55,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 20:09:55,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 20:09:55,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 20:09:55,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 20:09:55,898 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 20:09:55,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 20:09:55,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 20:09:55,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 20:09:55,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 20:09:55,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 20:09:55,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 20:09:55,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 20:09:55,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 20:09:55,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 20:09:55,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 20:09:55,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 20:09:55,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 20:09:55,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 20:09:55,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 20:09:55,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 20:09:55,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 20:09:55,905 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 20:09:55,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 20:09:55,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 20:09:56,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 20:09:56,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 20:09:56,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 20:09:56,254 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 20:09:56,257 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 20:09:56,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl [2021-08-12 20:09:56,259 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl' [2021-08-12 20:09:56,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 20:09:56,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 20:09:56,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 20:09:56,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 20:09:56,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 20:09:56,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 20:09:56,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 20:09:56,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 20:09:56,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 20:09:56,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/1) ... [2021-08-12 20:09:56,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 20:09:56,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 20:09:56,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 20:09:56,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 20:09:56,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (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 [2021-08-12 20:09:56,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 20:09:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 20:09:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 20:09:56,412 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 20:09:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 20:09:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 20:09:56,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 20:09:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 20:09:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 20:09:56,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 20:09:56,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 20:09:56,581 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 20:09:56,582 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 08:09:56 BoogieIcfgContainer [2021-08-12 20:09:56,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 20:09:56,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 20:09:56,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 20:09:56,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 20:09:56,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 08:09:56" (1/2) ... [2021-08-12 20:09:56,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5475f350 and model type easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 08:09:56, skipping insertion in model container [2021-08-12 20:09:56,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 08:09:56" (2/2) ... [2021-08-12 20:09:56,588 INFO L111 eAbstractionObserver]: Analyzing ICFG easy11.wvr.bpl [2021-08-12 20:09:56,593 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 20:09:56,594 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 20:09:56,594 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 20:09:56,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,611 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,611 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,611 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,612 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,612 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,612 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,612 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,612 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,613 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,613 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,613 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,616 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,617 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,620 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 20:09:56,624 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-12 20:09:56,650 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 20:09:56,682 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 20:09:56,683 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 20:09:56,683 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 20:09:56,683 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 20:09:56,683 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 20:09:56,683 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 20:09:56,683 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 20:09:56,683 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 20:09:56,707 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 23 transitions, 62 flow [2021-08-12 20:09:56,734 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 55 states, 53 states have (on average 1.9433962264150944) internal successors, (103), 54 states have internal predecessors, (103), 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) [2021-08-12 20:09:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.9433962264150944) internal successors, (103), 54 states have internal predecessors, (103), 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) [2021-08-12 20:09:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:56,742 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:56,743 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:56,743 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:56,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1728152339, now seen corresponding path program 1 times [2021-08-12 20:09:56,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:56,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531261462] [2021-08-12 20:09:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:57,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:57,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531261462] [2021-08-12 20:09:57,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531261462] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:57,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:57,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:57,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387981973] [2021-08-12 20:09:57,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:57,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:57,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:57,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:57,115 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.9433962264150944) internal successors, (103), 54 states have internal predecessors, (103), 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 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:57,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:57,412 INFO L93 Difference]: Finished difference Result 102 states and 196 transitions. [2021-08-12 20:09:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:57,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:57,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:57,422 INFO L225 Difference]: With dead ends: 102 [2021-08-12 20:09:57,422 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:09:57,424 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 194.3ms TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:57,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:09:57,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2021-08-12 20:09:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.9375) internal successors, (124), 64 states have internal predecessors, (124), 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) [2021-08-12 20:09:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 124 transitions. [2021-08-12 20:09:57,472 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 124 transitions. Word has length 15 [2021-08-12 20:09:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:57,472 INFO L482 AbstractCegarLoop]: Abstraction has 65 states and 124 transitions. [2021-08-12 20:09:57,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2021-08-12 20:09:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:57,474 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:57,475 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:57,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 20:09:57,475 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:57,479 INFO L82 PathProgramCache]: Analyzing trace with hash -2019667169, now seen corresponding path program 2 times [2021-08-12 20:09:57,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:57,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725139139] [2021-08-12 20:09:57,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:57,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:57,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725139139] [2021-08-12 20:09:57,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725139139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:57,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:57,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:57,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947423630] [2021-08-12 20:09:57,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:57,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:57,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:57,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:57,600 INFO L87 Difference]: Start difference. First operand 65 states and 124 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:57,798 INFO L93 Difference]: Finished difference Result 100 states and 192 transitions. [2021-08-12 20:09:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:57,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:57,800 INFO L225 Difference]: With dead ends: 100 [2021-08-12 20:09:57,800 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:09:57,801 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 99.3ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:09:57,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 66. [2021-08-12 20:09:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.9538461538461538) internal successors, (127), 65 states have internal predecessors, (127), 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) [2021-08-12 20:09:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 127 transitions. [2021-08-12 20:09:57,808 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 127 transitions. Word has length 15 [2021-08-12 20:09:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:57,809 INFO L482 AbstractCegarLoop]: Abstraction has 66 states and 127 transitions. [2021-08-12 20:09:57,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2021-08-12 20:09:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:57,810 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:57,810 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:57,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 20:09:57,810 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash 949033841, now seen corresponding path program 3 times [2021-08-12 20:09:57,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:57,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82896345] [2021-08-12 20:09:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:57,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:57,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82896345] [2021-08-12 20:09:57,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82896345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:57,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:57,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:57,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645485743] [2021-08-12 20:09:57,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:57,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:57,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:57,902 INFO L87 Difference]: Start difference. First operand 66 states and 127 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:58,068 INFO L93 Difference]: Finished difference Result 91 states and 174 transitions. [2021-08-12 20:09:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:58,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:58,070 INFO L225 Difference]: With dead ends: 91 [2021-08-12 20:09:58,070 INFO L226 Difference]: Without dead ends: 79 [2021-08-12 20:09:58,070 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 106.5ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:58,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-08-12 20:09:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2021-08-12 20:09:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.9393939393939394) internal successors, (128), 66 states have internal predecessors, (128), 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) [2021-08-12 20:09:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 128 transitions. [2021-08-12 20:09:58,077 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 128 transitions. Word has length 15 [2021-08-12 20:09:58,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:58,077 INFO L482 AbstractCegarLoop]: Abstraction has 67 states and 128 transitions. [2021-08-12 20:09:58,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2021-08-12 20:09:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:58,078 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:58,078 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:58,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 20:09:58,079 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:58,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1619078043, now seen corresponding path program 4 times [2021-08-12 20:09:58,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:58,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905597510] [2021-08-12 20:09:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:58,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:58,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905597510] [2021-08-12 20:09:58,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905597510] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:58,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:58,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:58,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267912058] [2021-08-12 20:09:58,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:58,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:58,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:58,167 INFO L87 Difference]: Start difference. First operand 67 states and 128 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:58,329 INFO L93 Difference]: Finished difference Result 90 states and 171 transitions. [2021-08-12 20:09:58,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:58,330 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:58,331 INFO L225 Difference]: With dead ends: 90 [2021-08-12 20:09:58,331 INFO L226 Difference]: Without dead ends: 78 [2021-08-12 20:09:58,331 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 107.6ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:58,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-08-12 20:09:58,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 66. [2021-08-12 20:09:58,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.9384615384615385) internal successors, (126), 65 states have internal predecessors, (126), 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) [2021-08-12 20:09:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 126 transitions. [2021-08-12 20:09:58,337 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 126 transitions. Word has length 15 [2021-08-12 20:09:58,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:58,338 INFO L482 AbstractCegarLoop]: Abstraction has 66 states and 126 transitions. [2021-08-12 20:09:58,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2021-08-12 20:09:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:58,339 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:58,339 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:58,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 20:09:58,339 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:58,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:58,340 INFO L82 PathProgramCache]: Analyzing trace with hash 168516007, now seen corresponding path program 5 times [2021-08-12 20:09:58,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:58,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995694861] [2021-08-12 20:09:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:58,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:58,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995694861] [2021-08-12 20:09:58,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995694861] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:58,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:58,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:58,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609683537] [2021-08-12 20:09:58,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:58,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:58,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:58,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:58,429 INFO L87 Difference]: Start difference. First operand 66 states and 126 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:58,630 INFO L93 Difference]: Finished difference Result 108 states and 213 transitions. [2021-08-12 20:09:58,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:58,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:58,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:58,632 INFO L225 Difference]: With dead ends: 108 [2021-08-12 20:09:58,632 INFO L226 Difference]: Without dead ends: 96 [2021-08-12 20:09:58,632 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 107.1ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:58,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-08-12 20:09:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 68. [2021-08-12 20:09:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.9850746268656716) internal successors, (133), 67 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 133 transitions. [2021-08-12 20:09:58,637 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 133 transitions. Word has length 15 [2021-08-12 20:09:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:58,638 INFO L482 AbstractCegarLoop]: Abstraction has 68 states and 133 transitions. [2021-08-12 20:09:58,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2021-08-12 20:09:58,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:58,639 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:58,639 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:58,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 20:09:58,640 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:58,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:58,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1157750279, now seen corresponding path program 6 times [2021-08-12 20:09:58,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:58,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865424415] [2021-08-12 20:09:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:58,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:58,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865424415] [2021-08-12 20:09:58,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865424415] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:58,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:58,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:58,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999497337] [2021-08-12 20:09:58,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:58,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:58,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:58,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:58,727 INFO L87 Difference]: Start difference. First operand 68 states and 133 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:58,904 INFO L93 Difference]: Finished difference Result 100 states and 197 transitions. [2021-08-12 20:09:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:58,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:58,905 INFO L225 Difference]: With dead ends: 100 [2021-08-12 20:09:58,905 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:09:58,906 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 104.5ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:58,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:09:58,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2021-08-12 20:09:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.9705882352941178) internal successors, (134), 68 states have internal predecessors, (134), 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) [2021-08-12 20:09:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 134 transitions. [2021-08-12 20:09:58,911 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 134 transitions. Word has length 15 [2021-08-12 20:09:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:58,911 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 134 transitions. [2021-08-12 20:09:58,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2021-08-12 20:09:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:58,912 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:58,912 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:58,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 20:09:58,912 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:58,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:58,913 INFO L82 PathProgramCache]: Analyzing trace with hash -487706077, now seen corresponding path program 7 times [2021-08-12 20:09:58,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:58,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789301748] [2021-08-12 20:09:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:59,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:59,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789301748] [2021-08-12 20:09:59,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789301748] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:59,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:59,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:59,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195330226] [2021-08-12 20:09:59,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:59,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:59,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:59,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:59,005 INFO L87 Difference]: Start difference. First operand 69 states and 134 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:59,207 INFO L93 Difference]: Finished difference Result 99 states and 194 transitions. [2021-08-12 20:09:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:59,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:59,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:59,208 INFO L225 Difference]: With dead ends: 99 [2021-08-12 20:09:59,209 INFO L226 Difference]: Without dead ends: 87 [2021-08-12 20:09:59,209 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 118.1ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:59,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-08-12 20:09:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 67. [2021-08-12 20:09:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.9696969696969697) internal successors, (130), 66 states have internal predecessors, (130), 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) [2021-08-12 20:09:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 130 transitions. [2021-08-12 20:09:59,213 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 130 transitions. Word has length 15 [2021-08-12 20:09:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:59,214 INFO L482 AbstractCegarLoop]: Abstraction has 67 states and 130 transitions. [2021-08-12 20:09:59,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2021-08-12 20:09:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:59,214 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:59,215 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:59,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 20:09:59,215 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash -82039123, now seen corresponding path program 8 times [2021-08-12 20:09:59,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:59,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406300290] [2021-08-12 20:09:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:59,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:59,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406300290] [2021-08-12 20:09:59,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406300290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:59,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:59,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:59,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569808735] [2021-08-12 20:09:59,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:59,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:59,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:59,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:59,309 INFO L87 Difference]: Start difference. First operand 67 states and 130 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:59,489 INFO L93 Difference]: Finished difference Result 97 states and 190 transitions. [2021-08-12 20:09:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:59,490 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:59,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:59,491 INFO L225 Difference]: With dead ends: 97 [2021-08-12 20:09:59,491 INFO L226 Difference]: Without dead ends: 85 [2021-08-12 20:09:59,491 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 99.2ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-08-12 20:09:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 69. [2021-08-12 20:09:59,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.9705882352941178) internal successors, (134), 68 states have internal predecessors, (134), 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) [2021-08-12 20:09:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 134 transitions. [2021-08-12 20:09:59,502 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 134 transitions. Word has length 15 [2021-08-12 20:09:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:59,502 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 134 transitions. [2021-08-12 20:09:59,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2021-08-12 20:09:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:59,503 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:59,503 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:59,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 20:09:59,503 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:59,504 INFO L82 PathProgramCache]: Analyzing trace with hash 588005079, now seen corresponding path program 9 times [2021-08-12 20:09:59,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:59,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58366582] [2021-08-12 20:09:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:59,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:59,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58366582] [2021-08-12 20:09:59,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58366582] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:59,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:59,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:59,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347698246] [2021-08-12 20:09:59,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:59,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:59,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:59,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:59,599 INFO L87 Difference]: Start difference. First operand 69 states and 134 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:59,765 INFO L93 Difference]: Finished difference Result 96 states and 187 transitions. [2021-08-12 20:09:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:59,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:59,769 INFO L225 Difference]: With dead ends: 96 [2021-08-12 20:09:59,769 INFO L226 Difference]: Without dead ends: 84 [2021-08-12 20:09:59,770 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 96.7ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-08-12 20:09:59,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2021-08-12 20:09:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.9701492537313432) internal successors, (132), 67 states have internal predecessors, (132), 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) [2021-08-12 20:09:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 132 transitions. [2021-08-12 20:09:59,773 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 132 transitions. Word has length 15 [2021-08-12 20:09:59,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:09:59,774 INFO L482 AbstractCegarLoop]: Abstraction has 68 states and 132 transitions. [2021-08-12 20:09:59,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2021-08-12 20:09:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:09:59,774 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:09:59,774 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:09:59,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 20:09:59,775 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:09:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:09:59,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2044309529, now seen corresponding path program 10 times [2021-08-12 20:09:59,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:09:59,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091462373] [2021-08-12 20:09:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:09:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:09:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:09:59,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:09:59,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091462373] [2021-08-12 20:09:59,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091462373] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:09:59,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:09:59,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:09:59,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083282426] [2021-08-12 20:09:59,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:09:59,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:09:59,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:09:59,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:09:59,850 INFO L87 Difference]: Start difference. First operand 68 states and 132 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:09:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:09:59,994 INFO L93 Difference]: Finished difference Result 99 states and 193 transitions. [2021-08-12 20:09:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:09:59,995 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:09:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:09:59,996 INFO L225 Difference]: With dead ends: 99 [2021-08-12 20:09:59,996 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:09:59,996 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 91.0ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:09:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:09:59,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 70. [2021-08-12 20:09:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.9565217391304348) internal successors, (135), 69 states have internal predecessors, (135), 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) [2021-08-12 20:09:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 135 transitions. [2021-08-12 20:10:00,000 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 135 transitions. Word has length 15 [2021-08-12 20:10:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:00,000 INFO L482 AbstractCegarLoop]: Abstraction has 70 states and 135 transitions. [2021-08-12 20:10:00,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-08-12 20:10:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:00,001 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:00,001 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:00,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-12 20:10:00,001 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:00,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:00,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1160181413, now seen corresponding path program 11 times [2021-08-12 20:10:00,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:00,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672710717] [2021-08-12 20:10:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:00,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:00,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672710717] [2021-08-12 20:10:00,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672710717] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:00,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:00,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:00,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446680528] [2021-08-12 20:10:00,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:00,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:00,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:00,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:00,121 INFO L87 Difference]: Start difference. First operand 70 states and 135 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:00,299 INFO L93 Difference]: Finished difference Result 112 states and 223 transitions. [2021-08-12 20:10:00,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:00,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:00,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:00,300 INFO L225 Difference]: With dead ends: 112 [2021-08-12 20:10:00,300 INFO L226 Difference]: Without dead ends: 100 [2021-08-12 20:10:00,303 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 91.6ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:00,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-08-12 20:10:00,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 73. [2021-08-12 20:10:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 2.013888888888889) internal successors, (145), 72 states have internal predecessors, (145), 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) [2021-08-12 20:10:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 145 transitions. [2021-08-12 20:10:00,308 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 145 transitions. Word has length 15 [2021-08-12 20:10:00,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:00,308 INFO L482 AbstractCegarLoop]: Abstraction has 73 states and 145 transitions. [2021-08-12 20:10:00,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2021-08-12 20:10:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:00,309 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:00,309 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:00,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-12 20:10:00,309 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:00,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:00,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1808519597, now seen corresponding path program 12 times [2021-08-12 20:10:00,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:00,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915600454] [2021-08-12 20:10:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:00,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:00,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915600454] [2021-08-12 20:10:00,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915600454] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:00,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:00,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:00,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843320837] [2021-08-12 20:10:00,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:00,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:00,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:00,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:00,391 INFO L87 Difference]: Start difference. First operand 73 states and 145 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:00,563 INFO L93 Difference]: Finished difference Result 104 states and 207 transitions. [2021-08-12 20:10:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:00,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:00,564 INFO L225 Difference]: With dead ends: 104 [2021-08-12 20:10:00,564 INFO L226 Difference]: Without dead ends: 92 [2021-08-12 20:10:00,566 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 105.4ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-08-12 20:10:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 74. [2021-08-12 20:10:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 2.0) internal successors, (146), 73 states have internal predecessors, (146), 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) [2021-08-12 20:10:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 146 transitions. [2021-08-12 20:10:00,579 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 146 transitions. Word has length 15 [2021-08-12 20:10:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:00,581 INFO L482 AbstractCegarLoop]: Abstraction has 74 states and 146 transitions. [2021-08-12 20:10:00,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2021-08-12 20:10:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:00,581 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:00,581 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:00,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-12 20:10:00,582 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:00,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:00,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1816403497, now seen corresponding path program 13 times [2021-08-12 20:10:00,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:00,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296136813] [2021-08-12 20:10:00,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:00,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:00,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296136813] [2021-08-12 20:10:00,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296136813] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:00,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:00,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:00,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835686588] [2021-08-12 20:10:00,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:00,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:00,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:00,659 INFO L87 Difference]: Start difference. First operand 74 states and 146 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:00,819 INFO L93 Difference]: Finished difference Result 103 states and 204 transitions. [2021-08-12 20:10:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:00,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:00,820 INFO L225 Difference]: With dead ends: 103 [2021-08-12 20:10:00,820 INFO L226 Difference]: Without dead ends: 91 [2021-08-12 20:10:00,821 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 90.3ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-12 20:10:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 72. [2021-08-12 20:10:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 2.0) internal successors, (142), 71 states have internal predecessors, (142), 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) [2021-08-12 20:10:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 142 transitions. [2021-08-12 20:10:00,824 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 142 transitions. Word has length 15 [2021-08-12 20:10:00,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:00,824 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 142 transitions. [2021-08-12 20:10:00,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2021-08-12 20:10:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:00,825 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:00,825 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:00,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-12 20:10:00,825 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:00,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1410736543, now seen corresponding path program 14 times [2021-08-12 20:10:00,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:00,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968983585] [2021-08-12 20:10:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:00,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:00,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968983585] [2021-08-12 20:10:00,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968983585] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:00,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:00,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:00,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212533260] [2021-08-12 20:10:00,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:00,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:00,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:00,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:00,902 INFO L87 Difference]: Start difference. First operand 72 states and 142 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:01,068 INFO L93 Difference]: Finished difference Result 106 states and 211 transitions. [2021-08-12 20:10:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:01,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:01,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:01,069 INFO L225 Difference]: With dead ends: 106 [2021-08-12 20:10:01,069 INFO L226 Difference]: Without dead ends: 94 [2021-08-12 20:10:01,069 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 96.1ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:01,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-08-12 20:10:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 74. [2021-08-12 20:10:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 2.0) internal successors, (146), 73 states have internal predecessors, (146), 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) [2021-08-12 20:10:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 146 transitions. [2021-08-12 20:10:01,073 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 146 transitions. Word has length 15 [2021-08-12 20:10:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:01,074 INFO L482 AbstractCegarLoop]: Abstraction has 74 states and 146 transitions. [2021-08-12 20:10:01,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2021-08-12 20:10:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:01,074 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:01,074 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:01,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-12 20:10:01,074 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:01,075 INFO L82 PathProgramCache]: Analyzing trace with hash -740692341, now seen corresponding path program 15 times [2021-08-12 20:10:01,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:01,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602063721] [2021-08-12 20:10:01,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:01,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:01,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602063721] [2021-08-12 20:10:01,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602063721] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:01,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:01,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:01,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286682023] [2021-08-12 20:10:01,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:01,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:01,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:01,142 INFO L87 Difference]: Start difference. First operand 74 states and 146 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:01,302 INFO L93 Difference]: Finished difference Result 105 states and 208 transitions. [2021-08-12 20:10:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:01,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:01,303 INFO L225 Difference]: With dead ends: 105 [2021-08-12 20:10:01,303 INFO L226 Difference]: Without dead ends: 93 [2021-08-12 20:10:01,303 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 93.2ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:01,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-08-12 20:10:01,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 73. [2021-08-12 20:10:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 2.0) internal successors, (144), 72 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 144 transitions. [2021-08-12 20:10:01,308 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 144 transitions. Word has length 15 [2021-08-12 20:10:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:01,308 INFO L482 AbstractCegarLoop]: Abstraction has 73 states and 144 transitions. [2021-08-12 20:10:01,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2021-08-12 20:10:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:01,309 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:01,309 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:01,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-12 20:10:01,309 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:01,309 INFO L82 PathProgramCache]: Analyzing trace with hash 921960347, now seen corresponding path program 16 times [2021-08-12 20:10:01,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:01,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732503544] [2021-08-12 20:10:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:01,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:01,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732503544] [2021-08-12 20:10:01,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732503544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:01,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:01,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:01,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848744661] [2021-08-12 20:10:01,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:01,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:01,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:01,380 INFO L87 Difference]: Start difference. First operand 73 states and 144 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:01,544 INFO L93 Difference]: Finished difference Result 108 states and 214 transitions. [2021-08-12 20:10:01,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:01,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:01,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:01,546 INFO L225 Difference]: With dead ends: 108 [2021-08-12 20:10:01,546 INFO L226 Difference]: Without dead ends: 97 [2021-08-12 20:10:01,546 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 90.0ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-08-12 20:10:01,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 71. [2021-08-12 20:10:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.9714285714285715) internal successors, (138), 70 states have internal predecessors, (138), 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) [2021-08-12 20:10:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2021-08-12 20:10:01,550 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 15 [2021-08-12 20:10:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:01,550 INFO L482 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2021-08-12 20:10:01,550 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2021-08-12 20:10:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:01,551 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:01,551 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:01,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-12 20:10:01,551 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:01,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1329337487, now seen corresponding path program 17 times [2021-08-12 20:10:01,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:01,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479351323] [2021-08-12 20:10:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:01,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:01,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479351323] [2021-08-12 20:10:01,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479351323] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:01,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:01,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:01,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017871005] [2021-08-12 20:10:01,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:01,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:01,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:01,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:01,618 INFO L87 Difference]: Start difference. First operand 71 states and 138 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:01,765 INFO L93 Difference]: Finished difference Result 97 states and 188 transitions. [2021-08-12 20:10:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:01,766 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:01,766 INFO L225 Difference]: With dead ends: 97 [2021-08-12 20:10:01,767 INFO L226 Difference]: Without dead ends: 85 [2021-08-12 20:10:01,767 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 104.4ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:01,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-08-12 20:10:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 74. [2021-08-12 20:10:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.9726027397260273) internal successors, (144), 73 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 144 transitions. [2021-08-12 20:10:01,771 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 144 transitions. Word has length 15 [2021-08-12 20:10:01,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:01,771 INFO L482 AbstractCegarLoop]: Abstraction has 74 states and 144 transitions. [2021-08-12 20:10:01,771 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 144 transitions. [2021-08-12 20:10:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:01,772 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:01,772 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:01,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-12 20:10:01,772 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:01,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:01,772 INFO L82 PathProgramCache]: Analyzing trace with hash -659293285, now seen corresponding path program 18 times [2021-08-12 20:10:01,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:01,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326398488] [2021-08-12 20:10:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:01,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:01,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326398488] [2021-08-12 20:10:01,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326398488] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:01,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:01,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:01,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682094964] [2021-08-12 20:10:01,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:01,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:01,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:01,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:01,835 INFO L87 Difference]: Start difference. First operand 74 states and 144 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:01,970 INFO L93 Difference]: Finished difference Result 96 states and 185 transitions. [2021-08-12 20:10:01,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:01,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:01,971 INFO L225 Difference]: With dead ends: 96 [2021-08-12 20:10:01,971 INFO L226 Difference]: Without dead ends: 84 [2021-08-12 20:10:01,972 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 88.2ms TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:01,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-08-12 20:10:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 73. [2021-08-12 20:10:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.9722222222222223) internal successors, (142), 72 states have internal predecessors, (142), 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) [2021-08-12 20:10:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 142 transitions. [2021-08-12 20:10:01,976 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 142 transitions. Word has length 15 [2021-08-12 20:10:01,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:01,976 INFO L482 AbstractCegarLoop]: Abstraction has 73 states and 142 transitions. [2021-08-12 20:10:01,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2021-08-12 20:10:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:01,976 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:01,976 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:01,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-12 20:10:01,977 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:01,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:01,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1003359403, now seen corresponding path program 19 times [2021-08-12 20:10:01,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:01,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92076433] [2021-08-12 20:10:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:02,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:02,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92076433] [2021-08-12 20:10:02,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92076433] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:02,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:02,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:02,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398909298] [2021-08-12 20:10:02,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:02,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:02,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:02,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:02,051 INFO L87 Difference]: Start difference. First operand 73 states and 142 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:02,187 INFO L93 Difference]: Finished difference Result 99 states and 191 transitions. [2021-08-12 20:10:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:02,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:02,188 INFO L225 Difference]: With dead ends: 99 [2021-08-12 20:10:02,189 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:10:02,189 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 84.4ms TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:10:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2021-08-12 20:10:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.971830985915493) internal successors, (140), 71 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 140 transitions. [2021-08-12 20:10:02,193 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 140 transitions. Word has length 15 [2021-08-12 20:10:02,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:02,193 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 140 transitions. [2021-08-12 20:10:02,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2021-08-12 20:10:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-12 20:10:02,193 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:02,194 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:02,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-12 20:10:02,194 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:02,194 INFO L82 PathProgramCache]: Analyzing trace with hash -67100201, now seen corresponding path program 20 times [2021-08-12 20:10:02,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:02,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596181249] [2021-08-12 20:10:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:02,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:02,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596181249] [2021-08-12 20:10:02,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596181249] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:02,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:02,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 20:10:02,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857783858] [2021-08-12 20:10:02,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 20:10:02,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:02,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 20:10:02,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:02,260 INFO L87 Difference]: Start difference. First operand 72 states and 140 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:02,409 INFO L93 Difference]: Finished difference Result 105 states and 201 transitions. [2021-08-12 20:10:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 20:10:02,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-12 20:10:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:02,410 INFO L225 Difference]: With dead ends: 105 [2021-08-12 20:10:02,410 INFO L226 Difference]: Without dead ends: 94 [2021-08-12 20:10:02,411 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 84.3ms TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-08-12 20:10:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-08-12 20:10:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 74. [2021-08-12 20:10:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.9589041095890412) internal successors, (143), 73 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 143 transitions. [2021-08-12 20:10:02,416 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 143 transitions. Word has length 15 [2021-08-12 20:10:02,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:02,416 INFO L482 AbstractCegarLoop]: Abstraction has 74 states and 143 transitions. [2021-08-12 20:10:02,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2021-08-12 20:10:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:02,416 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:02,417 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:02,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-12 20:10:02,417 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:02,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:02,417 INFO L82 PathProgramCache]: Analyzing trace with hash -55242805, now seen corresponding path program 1 times [2021-08-12 20:10:02,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:02,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612282822] [2021-08-12 20:10:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:02,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:02,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612282822] [2021-08-12 20:10:02,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612282822] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:02,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501241248] [2021-08-12 20:10:02,438 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 [2021-08-12 20:10:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:02,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 20:10:02,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:02,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501241248] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:02,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:02,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 20:10:02,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188487265] [2021-08-12 20:10:02,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:02,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:02,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:02,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:02,596 INFO L87 Difference]: Start difference. First operand 74 states and 143 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:02,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:02,709 INFO L93 Difference]: Finished difference Result 129 states and 247 transitions. [2021-08-12 20:10:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:02,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:02,710 INFO L225 Difference]: With dead ends: 129 [2021-08-12 20:10:02,710 INFO L226 Difference]: Without dead ends: 108 [2021-08-12 20:10:02,712 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 42.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:02,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-08-12 20:10:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 69. [2021-08-12 20:10:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 2.0) internal successors, (136), 68 states have internal predecessors, (136), 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) [2021-08-12 20:10:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 136 transitions. [2021-08-12 20:10:02,719 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 136 transitions. Word has length 17 [2021-08-12 20:10:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:02,719 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 136 transitions. [2021-08-12 20:10:02,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2021-08-12 20:10:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:02,720 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:02,720 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:02,939 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-08-12 20:10:02,940 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:02,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1323979185, now seen corresponding path program 1 times [2021-08-12 20:10:02,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:02,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644378127] [2021-08-12 20:10:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:02,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:02,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644378127] [2021-08-12 20:10:02,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644378127] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:02,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:02,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:02,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643568783] [2021-08-12 20:10:02,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:02,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:02,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:02,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:02,963 INFO L87 Difference]: Start difference. First operand 69 states and 136 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:03,036 INFO L93 Difference]: Finished difference Result 143 states and 269 transitions. [2021-08-12 20:10:03,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:03,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:03,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:03,037 INFO L225 Difference]: With dead ends: 143 [2021-08-12 20:10:03,037 INFO L226 Difference]: Without dead ends: 109 [2021-08-12 20:10:03,037 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:03,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-08-12 20:10:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 69. [2021-08-12 20:10:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.9705882352941178) internal successors, (134), 68 states have internal predecessors, (134), 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) [2021-08-12 20:10:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 134 transitions. [2021-08-12 20:10:03,042 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 134 transitions. Word has length 17 [2021-08-12 20:10:03,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:03,042 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 134 transitions. [2021-08-12 20:10:03,042 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,042 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2021-08-12 20:10:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:03,043 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:03,043 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:03,043 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-12 20:10:03,043 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:03,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1212131849, now seen corresponding path program 2 times [2021-08-12 20:10:03,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:03,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025672260] [2021-08-12 20:10:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:03,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025672260] [2021-08-12 20:10:03,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025672260] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:03,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969413731] [2021-08-12 20:10:03,062 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 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 [2021-08-12 20:10:03,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:03,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:03,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 20:10:03,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969413731] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:03,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:03,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 20:10:03,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919528884] [2021-08-12 20:10:03,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:03,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:03,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:03,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:03,129 INFO L87 Difference]: Start difference. First operand 69 states and 134 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:03,207 INFO L93 Difference]: Finished difference Result 137 states and 258 transitions. [2021-08-12 20:10:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:03,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:03,208 INFO L225 Difference]: With dead ends: 137 [2021-08-12 20:10:03,208 INFO L226 Difference]: Without dead ends: 116 [2021-08-12 20:10:03,208 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:03,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-08-12 20:10:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 70. [2021-08-12 20:10:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 2.0) internal successors, (138), 69 states have internal predecessors, (138), 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) [2021-08-12 20:10:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 138 transitions. [2021-08-12 20:10:03,213 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 138 transitions. Word has length 17 [2021-08-12 20:10:03,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:03,214 INFO L482 AbstractCegarLoop]: Abstraction has 70 states and 138 transitions. [2021-08-12 20:10:03,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2021-08-12 20:10:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:03,214 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:03,214 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:03,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-12 20:10:03,437 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:03,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:03,437 INFO L82 PathProgramCache]: Analyzing trace with hash 308167817, now seen corresponding path program 2 times [2021-08-12 20:10:03,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:03,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218015602] [2021-08-12 20:10:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:03,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218015602] [2021-08-12 20:10:03,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218015602] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:03,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:03,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:03,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694092060] [2021-08-12 20:10:03,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:03,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:03,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:03,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:03,461 INFO L87 Difference]: Start difference. First operand 70 states and 138 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:03,570 INFO L93 Difference]: Finished difference Result 176 states and 332 transitions. [2021-08-12 20:10:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 20:10:03,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:03,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:03,572 INFO L225 Difference]: With dead ends: 176 [2021-08-12 20:10:03,572 INFO L226 Difference]: Without dead ends: 149 [2021-08-12 20:10:03,572 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:03,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-08-12 20:10:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 80. [2021-08-12 20:10:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 2.0) internal successors, (158), 79 states have internal predecessors, (158), 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) [2021-08-12 20:10:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 158 transitions. [2021-08-12 20:10:03,580 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 158 transitions. Word has length 17 [2021-08-12 20:10:03,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:03,581 INFO L482 AbstractCegarLoop]: Abstraction has 80 states and 158 transitions. [2021-08-12 20:10:03,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2021-08-12 20:10:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:03,582 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:03,582 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:03,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-12 20:10:03,582 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:03,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1656584079, now seen corresponding path program 3 times [2021-08-12 20:10:03,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:03,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100229445] [2021-08-12 20:10:03,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:03,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100229445] [2021-08-12 20:10:03,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100229445] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:03,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:03,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:03,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131362136] [2021-08-12 20:10:03,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:03,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:03,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:03,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:03,603 INFO L87 Difference]: Start difference. First operand 80 states and 158 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:03,696 INFO L93 Difference]: Finished difference Result 149 states and 282 transitions. [2021-08-12 20:10:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 20:10:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:03,697 INFO L225 Difference]: With dead ends: 149 [2021-08-12 20:10:03,697 INFO L226 Difference]: Without dead ends: 126 [2021-08-12 20:10:03,698 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-12 20:10:03,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 72. [2021-08-12 20:10:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 2.0) internal successors, (142), 71 states have internal predecessors, (142), 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) [2021-08-12 20:10:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 142 transitions. [2021-08-12 20:10:03,703 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 142 transitions. Word has length 17 [2021-08-12 20:10:03,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:03,704 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 142 transitions. [2021-08-12 20:10:03,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2021-08-12 20:10:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:03,704 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:03,704 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:03,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-12 20:10:03,704 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:03,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2146658699, now seen corresponding path program 3 times [2021-08-12 20:10:03,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:03,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317072482] [2021-08-12 20:10:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:03,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317072482] [2021-08-12 20:10:03,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317072482] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:03,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:03,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:03,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216050558] [2021-08-12 20:10:03,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:03,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:03,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:03,728 INFO L87 Difference]: Start difference. First operand 72 states and 142 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:03,819 INFO L93 Difference]: Finished difference Result 107 states and 201 transitions. [2021-08-12 20:10:03,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 20:10:03,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:03,820 INFO L225 Difference]: With dead ends: 107 [2021-08-12 20:10:03,820 INFO L226 Difference]: Without dead ends: 83 [2021-08-12 20:10:03,820 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-12 20:10:03,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 72. [2021-08-12 20:10:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.9859154929577465) internal successors, (141), 71 states have internal predecessors, (141), 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) [2021-08-12 20:10:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 141 transitions. [2021-08-12 20:10:03,825 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 141 transitions. Word has length 17 [2021-08-12 20:10:03,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:03,826 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 141 transitions. [2021-08-12 20:10:03,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2021-08-12 20:10:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:03,826 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:03,826 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:03,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-12 20:10:03,826 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash -60801859, now seen corresponding path program 4 times [2021-08-12 20:10:03,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:03,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780551767] [2021-08-12 20:10:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:03,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780551767] [2021-08-12 20:10:03,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780551767] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:03,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376950219] [2021-08-12 20:10:03,844 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 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 [2021-08-12 20:10:03,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:03,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:03,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-12 20:10:03,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:03,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376950219] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:03,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:03,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-08-12 20:10:03,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127575824] [2021-08-12 20:10:03,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:03,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:03,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:03,909 INFO L87 Difference]: Start difference. First operand 72 states and 141 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,002 INFO L93 Difference]: Finished difference Result 145 states and 272 transitions. [2021-08-12 20:10:04,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 20:10:04,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,003 INFO L225 Difference]: With dead ends: 145 [2021-08-12 20:10:04,003 INFO L226 Difference]: Without dead ends: 124 [2021-08-12 20:10:04,004 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 34.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-12 20:10:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 72. [2021-08-12 20:10:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.9859154929577465) internal successors, (141), 71 states have internal predecessors, (141), 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) [2021-08-12 20:10:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 141 transitions. [2021-08-12 20:10:04,009 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 141 transitions. Word has length 17 [2021-08-12 20:10:04,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,009 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 141 transitions. [2021-08-12 20:10:04,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2021-08-12 20:10:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:04,010 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,010 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-12 20:10:04,234 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,234 INFO L82 PathProgramCache]: Analyzing trace with hash -964765891, now seen corresponding path program 4 times [2021-08-12 20:10:04,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800372425] [2021-08-12 20:10:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800372425] [2021-08-12 20:10:04,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800372425] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:04,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:04,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:04,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366613700] [2021-08-12 20:10:04,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:04,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:04,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:04,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:04,254 INFO L87 Difference]: Start difference. First operand 72 states and 141 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,329 INFO L93 Difference]: Finished difference Result 136 states and 256 transitions. [2021-08-12 20:10:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 20:10:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,330 INFO L225 Difference]: With dead ends: 136 [2021-08-12 20:10:04,330 INFO L226 Difference]: Without dead ends: 109 [2021-08-12 20:10:04,331 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-08-12 20:10:04,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 82. [2021-08-12 20:10:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.9876543209876543) internal successors, (161), 81 states have internal predecessors, (161), 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) [2021-08-12 20:10:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 161 transitions. [2021-08-12 20:10:04,337 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 161 transitions. Word has length 17 [2021-08-12 20:10:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,338 INFO L482 AbstractCegarLoop]: Abstraction has 82 states and 161 transitions. [2021-08-12 20:10:04,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2021-08-12 20:10:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:04,338 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,338 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-12 20:10:04,338 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash 383650371, now seen corresponding path program 5 times [2021-08-12 20:10:04,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531768587] [2021-08-12 20:10:04,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531768587] [2021-08-12 20:10:04,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531768587] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:04,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:04,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:04,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14268684] [2021-08-12 20:10:04,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:04,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:04,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:04,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:04,357 INFO L87 Difference]: Start difference. First operand 82 states and 161 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,439 INFO L93 Difference]: Finished difference Result 137 states and 255 transitions. [2021-08-12 20:10:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:04,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,440 INFO L225 Difference]: With dead ends: 137 [2021-08-12 20:10:04,440 INFO L226 Difference]: Without dead ends: 114 [2021-08-12 20:10:04,440 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:04,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-08-12 20:10:04,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 82. [2021-08-12 20:10:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.9876543209876543) internal successors, (161), 81 states have internal predecessors, (161), 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) [2021-08-12 20:10:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 161 transitions. [2021-08-12 20:10:04,447 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 161 transitions. Word has length 17 [2021-08-12 20:10:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,447 INFO L482 AbstractCegarLoop]: Abstraction has 82 states and 161 transitions. [2021-08-12 20:10:04,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2021-08-12 20:10:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:04,448 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,448 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-12 20:10:04,448 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,449 INFO L82 PathProgramCache]: Analyzing trace with hash 873724991, now seen corresponding path program 5 times [2021-08-12 20:10:04,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292102734] [2021-08-12 20:10:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292102734] [2021-08-12 20:10:04,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292102734] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:04,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:04,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:04,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158717343] [2021-08-12 20:10:04,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:04,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:04,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:04,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:04,467 INFO L87 Difference]: Start difference. First operand 82 states and 161 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,568 INFO L93 Difference]: Finished difference Result 160 states and 296 transitions. [2021-08-12 20:10:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 20:10:04,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,569 INFO L225 Difference]: With dead ends: 160 [2021-08-12 20:10:04,570 INFO L226 Difference]: Without dead ends: 136 [2021-08-12 20:10:04,570 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 20:10:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-08-12 20:10:04,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 81. [2021-08-12 20:10:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.975) internal successors, (158), 80 states have internal predecessors, (158), 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) [2021-08-12 20:10:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 158 transitions. [2021-08-12 20:10:04,577 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 158 transitions. Word has length 17 [2021-08-12 20:10:04,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,577 INFO L482 AbstractCegarLoop]: Abstraction has 81 states and 158 transitions. [2021-08-12 20:10:04,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2021-08-12 20:10:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:04,578 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,578 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-12 20:10:04,578 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1721217585, now seen corresponding path program 6 times [2021-08-12 20:10:04,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018304490] [2021-08-12 20:10:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018304490] [2021-08-12 20:10:04,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018304490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:04,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:04,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:04,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606711227] [2021-08-12 20:10:04,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:04,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:04,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:04,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:04,601 INFO L87 Difference]: Start difference. First operand 81 states and 158 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,679 INFO L93 Difference]: Finished difference Result 128 states and 234 transitions. [2021-08-12 20:10:04,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:04,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,680 INFO L225 Difference]: With dead ends: 128 [2021-08-12 20:10:04,680 INFO L226 Difference]: Without dead ends: 105 [2021-08-12 20:10:04,680 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-08-12 20:10:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 68. [2021-08-12 20:10:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.9701492537313432) internal successors, (132), 67 states have internal predecessors, (132), 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) [2021-08-12 20:10:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 132 transitions. [2021-08-12 20:10:04,687 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 132 transitions. Word has length 17 [2021-08-12 20:10:04,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,687 INFO L482 AbstractCegarLoop]: Abstraction has 68 states and 132 transitions. [2021-08-12 20:10:04,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2021-08-12 20:10:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-12 20:10:04,687 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,687 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-12 20:10:04,687 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1788806479, now seen corresponding path program 6 times [2021-08-12 20:10:04,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096661757] [2021-08-12 20:10:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096661757] [2021-08-12 20:10:04,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096661757] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:04,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 20:10:04,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 20:10:04,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123251113] [2021-08-12 20:10:04,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 20:10:04,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:04,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 20:10:04,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 20:10:04,705 INFO L87 Difference]: Start difference. First operand 68 states and 132 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:04,790 INFO L93 Difference]: Finished difference Result 103 states and 191 transitions. [2021-08-12 20:10:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 20:10:04,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-08-12 20:10:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:04,791 INFO L225 Difference]: With dead ends: 103 [2021-08-12 20:10:04,791 INFO L226 Difference]: Without dead ends: 76 [2021-08-12 20:10:04,792 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 45.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 20:10:04,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-08-12 20:10:04,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 68. [2021-08-12 20:10:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.955223880597015) internal successors, (131), 67 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 131 transitions. [2021-08-12 20:10:04,797 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 131 transitions. Word has length 17 [2021-08-12 20:10:04,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:04,797 INFO L482 AbstractCegarLoop]: Abstraction has 68 states and 131 transitions. [2021-08-12 20:10:04,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-08-12 20:10:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2021-08-12 20:10:04,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:04,798 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:04,798 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:04,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-12 20:10:04,798 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:04,798 INFO L82 PathProgramCache]: Analyzing trace with hash 24314285, now seen corresponding path program 1 times [2021-08-12 20:10:04,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:04,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188570313] [2021-08-12 20:10:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:04,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:04,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188570313] [2021-08-12 20:10:04,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188570313] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:04,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935570354] [2021-08-12 20:10:04,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:04,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:04,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:05,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935570354] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:05,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:05,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:05,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398452472] [2021-08-12 20:10:05,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:05,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:05,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:05,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:05,150 INFO L87 Difference]: Start difference. First operand 68 states and 131 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:05,396 INFO L93 Difference]: Finished difference Result 89 states and 164 transitions. [2021-08-12 20:10:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:05,397 INFO L225 Difference]: With dead ends: 89 [2021-08-12 20:10:05,397 INFO L226 Difference]: Without dead ends: 60 [2021-08-12 20:10:05,397 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 275.1ms TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:10:05,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-08-12 20:10:05,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-08-12 20:10:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.8983050847457628) internal successors, (112), 59 states have internal predecessors, (112), 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) [2021-08-12 20:10:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 112 transitions. [2021-08-12 20:10:05,403 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 112 transitions. Word has length 19 [2021-08-12 20:10:05,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:05,403 INFO L482 AbstractCegarLoop]: Abstraction has 60 states and 112 transitions. [2021-08-12 20:10:05,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-08-12 20:10:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:05,404 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:05,404 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:05,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:05,617 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:05,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:05,617 INFO L82 PathProgramCache]: Analyzing trace with hash -640382641, now seen corresponding path program 2 times [2021-08-12 20:10:05,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:05,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550396282] [2021-08-12 20:10:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:05,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:05,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550396282] [2021-08-12 20:10:05,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550396282] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:05,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193064218] [2021-08-12 20:10:05,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:05,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:05,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:05,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:05,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:05,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193064218] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:05,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:05,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:05,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485564196] [2021-08-12 20:10:05,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:05,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:05,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:05,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:05,981 INFO L87 Difference]: Start difference. First operand 60 states and 112 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:06,208 INFO L93 Difference]: Finished difference Result 80 states and 140 transitions. [2021-08-12 20:10:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:06,209 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:06,209 INFO L225 Difference]: With dead ends: 80 [2021-08-12 20:10:06,209 INFO L226 Difference]: Without dead ends: 62 [2021-08-12 20:10:06,210 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 284.9ms TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2021-08-12 20:10:06,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-12 20:10:06,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2021-08-12 20:10:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.8833333333333333) internal successors, (113), 60 states have internal predecessors, (113), 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) [2021-08-12 20:10:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 113 transitions. [2021-08-12 20:10:06,215 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 113 transitions. Word has length 19 [2021-08-12 20:10:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:06,215 INFO L482 AbstractCegarLoop]: Abstraction has 61 states and 113 transitions. [2021-08-12 20:10:06,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-08-12 20:10:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:06,216 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:06,216 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:06,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-08-12 20:10:06,437 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash 111018267, now seen corresponding path program 3 times [2021-08-12 20:10:06,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:06,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085495624] [2021-08-12 20:10:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:06,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:06,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085495624] [2021-08-12 20:10:06,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085495624] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:06,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192358252] [2021-08-12 20:10:06,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:06,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 20:10:06,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:06,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:06,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:06,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192358252] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:06,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:06,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:06,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080846864] [2021-08-12 20:10:06,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:06,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:06,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:06,834 INFO L87 Difference]: Start difference. First operand 61 states and 113 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:07,070 INFO L93 Difference]: Finished difference Result 82 states and 144 transitions. [2021-08-12 20:10:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:07,071 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:07,072 INFO L225 Difference]: With dead ends: 82 [2021-08-12 20:10:07,072 INFO L226 Difference]: Without dead ends: 67 [2021-08-12 20:10:07,072 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 290.8ms TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:10:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-08-12 20:10:07,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2021-08-12 20:10:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.8852459016393444) internal successors, (115), 61 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 115 transitions. [2021-08-12 20:10:07,078 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 115 transitions. Word has length 19 [2021-08-12 20:10:07,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:07,078 INFO L482 AbstractCegarLoop]: Abstraction has 62 states and 115 transitions. [2021-08-12 20:10:07,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-08-12 20:10:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:07,079 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:07,079 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:07,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:07,309 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:07,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1215248019, now seen corresponding path program 4 times [2021-08-12 20:10:07,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:07,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281507295] [2021-08-12 20:10:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:07,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:07,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281507295] [2021-08-12 20:10:07,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281507295] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:07,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649255054] [2021-08-12 20:10:07,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:07,448 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:07,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:07,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:07,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:07,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649255054] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:07,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:07,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:07,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456963330] [2021-08-12 20:10:07,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:07,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:07,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:07,658 INFO L87 Difference]: Start difference. First operand 62 states and 115 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:08,107 INFO L93 Difference]: Finished difference Result 126 states and 226 transitions. [2021-08-12 20:10:08,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 20:10:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:08,108 INFO L225 Difference]: With dead ends: 126 [2021-08-12 20:10:08,108 INFO L226 Difference]: Without dead ends: 99 [2021-08-12 20:10:08,109 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 474.4ms TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2021-08-12 20:10:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-08-12 20:10:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 86. [2021-08-12 20:10:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 85 states have internal predecessors, (161), 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) [2021-08-12 20:10:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 161 transitions. [2021-08-12 20:10:08,118 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 161 transitions. Word has length 19 [2021-08-12 20:10:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:08,118 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 161 transitions. [2021-08-12 20:10:08,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-08-12 20:10:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:08,119 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:08,119 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:08,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-08-12 20:10:08,333 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:08,333 INFO L82 PathProgramCache]: Analyzing trace with hash -545203817, now seen corresponding path program 5 times [2021-08-12 20:10:08,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:08,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229443987] [2021-08-12 20:10:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:08,434 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:08,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229443987] [2021-08-12 20:10:08,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229443987] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:08,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125001347] [2021-08-12 20:10:08,435 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:08,465 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:08,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:08,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:08,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:08,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125001347] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:08,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:08,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:08,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017983721] [2021-08-12 20:10:08,672 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:08,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:08,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:08,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:08,673 INFO L87 Difference]: Start difference. First operand 86 states and 161 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:08,782 INFO L93 Difference]: Finished difference Result 98 states and 176 transitions. [2021-08-12 20:10:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 20:10:08,782 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:08,783 INFO L225 Difference]: With dead ends: 98 [2021-08-12 20:10:08,783 INFO L226 Difference]: Without dead ends: 78 [2021-08-12 20:10:08,783 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 228.2ms TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:08,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-08-12 20:10:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2021-08-12 20:10:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 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) [2021-08-12 20:10:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 146 transitions. [2021-08-12 20:10:08,790 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 146 transitions. Word has length 19 [2021-08-12 20:10:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:08,790 INFO L482 AbstractCegarLoop]: Abstraction has 77 states and 146 transitions. [2021-08-12 20:10:08,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2021-08-12 20:10:08,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:08,791 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:08,791 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:09,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-08-12 20:10:09,014 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:09,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1290089747, now seen corresponding path program 6 times [2021-08-12 20:10:09,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:09,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432920284] [2021-08-12 20:10:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:09,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:09,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432920284] [2021-08-12 20:10:09,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432920284] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:09,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80357573] [2021-08-12 20:10:09,105 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:09,130 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:09,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:09,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:09,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:09,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80357573] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:09,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:09,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:09,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786591097] [2021-08-12 20:10:09,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:09,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:09,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:09,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:09,300 INFO L87 Difference]: Start difference. First operand 77 states and 146 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:09,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:09,640 INFO L93 Difference]: Finished difference Result 110 states and 204 transitions. [2021-08-12 20:10:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:09,640 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:09,641 INFO L225 Difference]: With dead ends: 110 [2021-08-12 20:10:09,641 INFO L226 Difference]: Without dead ends: 92 [2021-08-12 20:10:09,642 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 313.5ms TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-08-12 20:10:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-08-12 20:10:09,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2021-08-12 20:10:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.9268292682926829) internal successors, (158), 82 states have internal predecessors, (158), 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) [2021-08-12 20:10:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 158 transitions. [2021-08-12 20:10:09,650 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 158 transitions. Word has length 19 [2021-08-12 20:10:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:09,650 INFO L482 AbstractCegarLoop]: Abstraction has 83 states and 158 transitions. [2021-08-12 20:10:09,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 158 transitions. [2021-08-12 20:10:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:09,650 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:09,650 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:09,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-08-12 20:10:09,865 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:09,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:09,865 INFO L82 PathProgramCache]: Analyzing trace with hash -538688839, now seen corresponding path program 7 times [2021-08-12 20:10:09,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:09,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262905856] [2021-08-12 20:10:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:09,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:09,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262905856] [2021-08-12 20:10:09,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262905856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:09,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458929629] [2021-08-12 20:10:09,962 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-12 20:10:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:09,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:09,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:10,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:10,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458929629] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:10,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:10,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:10,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121181269] [2021-08-12 20:10:10,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:10,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:10,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:10,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:10,205 INFO L87 Difference]: Start difference. First operand 83 states and 158 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:10,548 INFO L93 Difference]: Finished difference Result 115 states and 212 transitions. [2021-08-12 20:10:10,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:10,548 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:10,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:10,549 INFO L225 Difference]: With dead ends: 115 [2021-08-12 20:10:10,549 INFO L226 Difference]: Without dead ends: 100 [2021-08-12 20:10:10,550 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 332.7ms TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2021-08-12 20:10:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-08-12 20:10:10,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2021-08-12 20:10:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.9166666666666667) internal successors, (161), 84 states have internal predecessors, (161), 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) [2021-08-12 20:10:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 161 transitions. [2021-08-12 20:10:10,558 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 161 transitions. Word has length 19 [2021-08-12 20:10:10,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:10,558 INFO L482 AbstractCegarLoop]: Abstraction has 85 states and 161 transitions. [2021-08-12 20:10:10,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 161 transitions. [2021-08-12 20:10:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:10,559 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:10,559 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:10,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-08-12 20:10:10,783 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:10,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1864955125, now seen corresponding path program 8 times [2021-08-12 20:10:10,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:10,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618368190] [2021-08-12 20:10:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:10,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:10,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618368190] [2021-08-12 20:10:10,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618368190] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:10,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621471045] [2021-08-12 20:10:10,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:10,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:10,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:10,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:10,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:11,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621471045] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:11,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:11,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:11,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403957139] [2021-08-12 20:10:11,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:11,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:11,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:11,090 INFO L87 Difference]: Start difference. First operand 85 states and 161 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:11,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:11,205 INFO L93 Difference]: Finished difference Result 103 states and 185 transitions. [2021-08-12 20:10:11,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:11,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:11,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:11,206 INFO L225 Difference]: With dead ends: 103 [2021-08-12 20:10:11,207 INFO L226 Difference]: Without dead ends: 88 [2021-08-12 20:10:11,207 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 224.8ms TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-12 20:10:11,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2021-08-12 20:10:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.9156626506024097) internal successors, (159), 83 states have internal predecessors, (159), 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) [2021-08-12 20:10:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 159 transitions. [2021-08-12 20:10:11,215 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 159 transitions. Word has length 19 [2021-08-12 20:10:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:11,215 INFO L482 AbstractCegarLoop]: Abstraction has 84 states and 159 transitions. [2021-08-12 20:10:11,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2021-08-12 20:10:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:11,216 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:11,216 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:11,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-08-12 20:10:11,437 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:11,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1194910923, now seen corresponding path program 9 times [2021-08-12 20:10:11,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:11,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115773201] [2021-08-12 20:10:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:11,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:11,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115773201] [2021-08-12 20:10:11,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115773201] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:11,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138371727] [2021-08-12 20:10:11,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:11,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 20:10:11,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:11,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:11,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:11,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138371727] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:11,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:11,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:11,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101129543] [2021-08-12 20:10:11,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:11,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:11,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:11,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:11,756 INFO L87 Difference]: Start difference. First operand 84 states and 159 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:11,863 INFO L93 Difference]: Finished difference Result 95 states and 172 transitions. [2021-08-12 20:10:11,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:11,863 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:11,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:11,864 INFO L225 Difference]: With dead ends: 95 [2021-08-12 20:10:11,864 INFO L226 Difference]: Without dead ends: 81 [2021-08-12 20:10:11,864 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 205.1ms TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-08-12 20:10:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-08-12 20:10:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.925) internal successors, (154), 80 states have internal predecessors, (154), 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) [2021-08-12 20:10:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 154 transitions. [2021-08-12 20:10:11,872 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 154 transitions. Word has length 19 [2021-08-12 20:10:11,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:11,872 INFO L482 AbstractCegarLoop]: Abstraction has 81 states and 154 transitions. [2021-08-12 20:10:11,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 154 transitions. [2021-08-12 20:10:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:11,873 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:11,873 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:12,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:12,095 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:12,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:12,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1143148071, now seen corresponding path program 10 times [2021-08-12 20:10:12,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:12,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336380487] [2021-08-12 20:10:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:12,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:12,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336380487] [2021-08-12 20:10:12,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336380487] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:12,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599522635] [2021-08-12 20:10:12,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:12,231 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:12,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:12,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:12,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:12,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599522635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:12,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:12,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:12,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423001327] [2021-08-12 20:10:12,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:12,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:12,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:12,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:12,430 INFO L87 Difference]: Start difference. First operand 81 states and 154 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:13,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:13,390 INFO L93 Difference]: Finished difference Result 199 states and 392 transitions. [2021-08-12 20:10:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-12 20:10:13,390 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:13,391 INFO L225 Difference]: With dead ends: 199 [2021-08-12 20:10:13,391 INFO L226 Difference]: Without dead ends: 159 [2021-08-12 20:10:13,392 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 841.9ms TimeCoverageRelationStatistics Valid=566, Invalid=1984, Unknown=0, NotChecked=0, Total=2550 [2021-08-12 20:10:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-08-12 20:10:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 108. [2021-08-12 20:10:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 2.0373831775700935) internal successors, (218), 107 states have internal predecessors, (218), 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) [2021-08-12 20:10:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 218 transitions. [2021-08-12 20:10:13,404 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 218 transitions. Word has length 19 [2021-08-12 20:10:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:13,404 INFO L482 AbstractCegarLoop]: Abstraction has 108 states and 218 transitions. [2021-08-12 20:10:13,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 218 transitions. [2021-08-12 20:10:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:13,405 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:13,405 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:13,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-08-12 20:10:13,621 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:13,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:13,621 INFO L82 PathProgramCache]: Analyzing trace with hash 486925987, now seen corresponding path program 11 times [2021-08-12 20:10:13,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:13,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652627750] [2021-08-12 20:10:13,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:13,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:13,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652627750] [2021-08-12 20:10:13,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652627750] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:13,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570949255] [2021-08-12 20:10:13,704 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:13,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:13,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:13,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:13,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:13,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570949255] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:13,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:13,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:13,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474713999] [2021-08-12 20:10:13,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:13,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:13,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:13,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:13,885 INFO L87 Difference]: Start difference. First operand 108 states and 218 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:14,085 INFO L93 Difference]: Finished difference Result 140 states and 275 transitions. [2021-08-12 20:10:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:14,085 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:14,086 INFO L225 Difference]: With dead ends: 140 [2021-08-12 20:10:14,086 INFO L226 Difference]: Without dead ends: 127 [2021-08-12 20:10:14,087 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 238.5ms TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2021-08-12 20:10:14,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-08-12 20:10:14,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 112. [2021-08-12 20:10:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 2.09009009009009) internal successors, (232), 111 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:10:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 232 transitions. [2021-08-12 20:10:14,099 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 232 transitions. Word has length 19 [2021-08-12 20:10:14,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:14,099 INFO L482 AbstractCegarLoop]: Abstraction has 112 states and 232 transitions. [2021-08-12 20:10:14,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 232 transitions. [2021-08-12 20:10:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:14,099 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:14,099 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:14,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:14,321 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:14,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1562637143, now seen corresponding path program 12 times [2021-08-12 20:10:14,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:14,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759808818] [2021-08-12 20:10:14,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:14,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:14,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759808818] [2021-08-12 20:10:14,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759808818] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:14,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223675033] [2021-08-12 20:10:14,403 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:14,435 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 20:10:14,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:14,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:14,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:14,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223675033] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:14,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:14,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:14,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033125303] [2021-08-12 20:10:14,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:14,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:14,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:14,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:14,629 INFO L87 Difference]: Start difference. First operand 112 states and 232 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:14,785 INFO L93 Difference]: Finished difference Result 130 states and 258 transitions. [2021-08-12 20:10:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:14,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:14,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:14,786 INFO L225 Difference]: With dead ends: 130 [2021-08-12 20:10:14,786 INFO L226 Difference]: Without dead ends: 118 [2021-08-12 20:10:14,786 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 248.7ms TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2021-08-12 20:10:14,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-08-12 20:10:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 111. [2021-08-12 20:10:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.090909090909091) internal successors, (230), 110 states have internal predecessors, (230), 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) [2021-08-12 20:10:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 230 transitions. [2021-08-12 20:10:14,798 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 230 transitions. Word has length 19 [2021-08-12 20:10:14,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:14,799 INFO L482 AbstractCegarLoop]: Abstraction has 111 states and 230 transitions. [2021-08-12 20:10:14,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 230 transitions. [2021-08-12 20:10:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:14,799 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:14,799 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:15,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-08-12 20:10:15,021 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:15,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1069677465, now seen corresponding path program 13 times [2021-08-12 20:10:15,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:15,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528632755] [2021-08-12 20:10:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:15,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:15,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528632755] [2021-08-12 20:10:15,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528632755] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:15,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293341995] [2021-08-12 20:10:15,118 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:15,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:15,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:15,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293341995] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:15,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:15,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:15,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747838077] [2021-08-12 20:10:15,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:15,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:15,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:15,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:15,333 INFO L87 Difference]: Start difference. First operand 111 states and 230 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:15,605 INFO L93 Difference]: Finished difference Result 130 states and 258 transitions. [2021-08-12 20:10:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 20:10:15,605 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:15,606 INFO L225 Difference]: With dead ends: 130 [2021-08-12 20:10:15,606 INFO L226 Difference]: Without dead ends: 119 [2021-08-12 20:10:15,606 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 298.5ms TimeCoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:15,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-08-12 20:10:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2021-08-12 20:10:15,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 2.090909090909091) internal successors, (230), 110 states have internal predecessors, (230), 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) [2021-08-12 20:10:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 230 transitions. [2021-08-12 20:10:15,618 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 230 transitions. Word has length 19 [2021-08-12 20:10:15,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:15,618 INFO L482 AbstractCegarLoop]: Abstraction has 111 states and 230 transitions. [2021-08-12 20:10:15,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 230 transitions. [2021-08-12 20:10:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:15,619 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:15,619 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:15,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:15,841 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1532453059, now seen corresponding path program 14 times [2021-08-12 20:10:15,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:15,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316480222] [2021-08-12 20:10:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:15,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:15,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316480222] [2021-08-12 20:10:15,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316480222] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:15,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573210122] [2021-08-12 20:10:15,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:15,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:15,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:16,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:16,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:16,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573210122] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:16,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:16,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:16,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773891986] [2021-08-12 20:10:16,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:16,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:16,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:16,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:16,170 INFO L87 Difference]: Start difference. First operand 111 states and 230 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:16,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:16,679 INFO L93 Difference]: Finished difference Result 225 states and 459 transitions. [2021-08-12 20:10:16,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 20:10:16,679 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:16,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:16,681 INFO L225 Difference]: With dead ends: 225 [2021-08-12 20:10:16,681 INFO L226 Difference]: Without dead ends: 191 [2021-08-12 20:10:16,681 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 447.1ms TimeCoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2021-08-12 20:10:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-08-12 20:10:16,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 149. [2021-08-12 20:10:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 2.195945945945946) internal successors, (325), 148 states have internal predecessors, (325), 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) [2021-08-12 20:10:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 325 transitions. [2021-08-12 20:10:16,698 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 325 transitions. Word has length 19 [2021-08-12 20:10:16,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:16,698 INFO L482 AbstractCegarLoop]: Abstraction has 149 states and 325 transitions. [2021-08-12 20:10:16,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:16,698 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 325 transitions. [2021-08-12 20:10:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:16,699 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:16,699 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:16,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-08-12 20:10:16,899 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:16,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:16,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1450387207, now seen corresponding path program 15 times [2021-08-12 20:10:16,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:16,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223090761] [2021-08-12 20:10:16,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:16,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:16,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223090761] [2021-08-12 20:10:16,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223090761] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:16,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848072387] [2021-08-12 20:10:16,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:17,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:10:17,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:17,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:17,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:17,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848072387] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:17,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:17,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:17,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89162666] [2021-08-12 20:10:17,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:17,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:17,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:17,203 INFO L87 Difference]: Start difference. First operand 149 states and 325 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:17,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:17,538 INFO L93 Difference]: Finished difference Result 199 states and 408 transitions. [2021-08-12 20:10:17,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 20:10:17,538 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:17,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:17,539 INFO L225 Difference]: With dead ends: 199 [2021-08-12 20:10:17,539 INFO L226 Difference]: Without dead ends: 171 [2021-08-12 20:10:17,540 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 322.7ms TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2021-08-12 20:10:17,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-08-12 20:10:17,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 153. [2021-08-12 20:10:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 2.1842105263157894) internal successors, (332), 152 states have internal predecessors, (332), 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) [2021-08-12 20:10:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 332 transitions. [2021-08-12 20:10:17,559 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 332 transitions. Word has length 19 [2021-08-12 20:10:17,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:17,559 INFO L482 AbstractCegarLoop]: Abstraction has 153 states and 332 transitions. [2021-08-12 20:10:17,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 332 transitions. [2021-08-12 20:10:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:17,560 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:17,560 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:17,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-08-12 20:10:17,773 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:17,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1731743665, now seen corresponding path program 16 times [2021-08-12 20:10:17,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:17,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252389315] [2021-08-12 20:10:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:17,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:17,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252389315] [2021-08-12 20:10:17,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252389315] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:17,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787775343] [2021-08-12 20:10:17,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:17,894 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:17,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:17,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:17,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:18,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787775343] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:18,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:18,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:18,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577412389] [2021-08-12 20:10:18,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:18,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:18,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:18,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:18,058 INFO L87 Difference]: Start difference. First operand 153 states and 332 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:18,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:18,769 INFO L93 Difference]: Finished difference Result 354 states and 765 transitions. [2021-08-12 20:10:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 20:10:18,769 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:18,770 INFO L225 Difference]: With dead ends: 354 [2021-08-12 20:10:18,771 INFO L226 Difference]: Without dead ends: 319 [2021-08-12 20:10:18,771 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 548.3ms TimeCoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2021-08-12 20:10:18,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-08-12 20:10:18,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 224. [2021-08-12 20:10:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 2.2600896860986546) internal successors, (504), 223 states have internal predecessors, (504), 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) [2021-08-12 20:10:18,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 504 transitions. [2021-08-12 20:10:18,800 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 504 transitions. Word has length 19 [2021-08-12 20:10:18,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:18,800 INFO L482 AbstractCegarLoop]: Abstraction has 224 states and 504 transitions. [2021-08-12 20:10:18,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 504 transitions. [2021-08-12 20:10:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:18,800 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:18,801 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:19,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-08-12 20:10:19,001 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:19,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:19,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1036341529, now seen corresponding path program 17 times [2021-08-12 20:10:19,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:19,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959811386] [2021-08-12 20:10:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:19,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:19,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959811386] [2021-08-12 20:10:19,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959811386] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:19,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581321392] [2021-08-12 20:10:19,082 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:19,102 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:19,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:19,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:19,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:19,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581321392] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:19,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:19,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:19,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852333162] [2021-08-12 20:10:19,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:19,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:19,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:19,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:19,252 INFO L87 Difference]: Start difference. First operand 224 states and 504 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:19,735 INFO L93 Difference]: Finished difference Result 351 states and 786 transitions. [2021-08-12 20:10:19,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 20:10:19,735 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:19,737 INFO L225 Difference]: With dead ends: 351 [2021-08-12 20:10:19,737 INFO L226 Difference]: Without dead ends: 332 [2021-08-12 20:10:19,737 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 369.6ms TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 20:10:19,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-08-12 20:10:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 250. [2021-08-12 20:10:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 2.3453815261044175) internal successors, (584), 249 states have internal predecessors, (584), 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) [2021-08-12 20:10:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 584 transitions. [2021-08-12 20:10:19,764 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 584 transitions. Word has length 19 [2021-08-12 20:10:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:19,765 INFO L482 AbstractCegarLoop]: Abstraction has 250 states and 584 transitions. [2021-08-12 20:10:19,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 584 transitions. [2021-08-12 20:10:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:19,765 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:19,765 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:19,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-08-12 20:10:19,981 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 881151661, now seen corresponding path program 18 times [2021-08-12 20:10:19,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:19,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253192957] [2021-08-12 20:10:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:20,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:20,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253192957] [2021-08-12 20:10:20,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253192957] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:20,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149176345] [2021-08-12 20:10:20,067 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:20,086 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 20:10:20,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:20,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:20,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:20,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149176345] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:20,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:20,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:20,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070337047] [2021-08-12 20:10:20,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:20,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:20,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:20,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:20,256 INFO L87 Difference]: Start difference. First operand 250 states and 584 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:20,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:20,520 INFO L93 Difference]: Finished difference Result 295 states and 663 transitions. [2021-08-12 20:10:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:20,520 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:20,521 INFO L225 Difference]: With dead ends: 295 [2021-08-12 20:10:20,522 INFO L226 Difference]: Without dead ends: 277 [2021-08-12 20:10:20,522 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 255.0ms TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-08-12 20:10:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-08-12 20:10:20,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 250. [2021-08-12 20:10:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 2.3373493975903616) internal successors, (582), 249 states have internal predecessors, (582), 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) [2021-08-12 20:10:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 582 transitions. [2021-08-12 20:10:20,550 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 582 transitions. Word has length 19 [2021-08-12 20:10:20,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:20,550 INFO L482 AbstractCegarLoop]: Abstraction has 250 states and 582 transitions. [2021-08-12 20:10:20,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 582 transitions. [2021-08-12 20:10:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:20,551 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:20,551 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:20,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-08-12 20:10:20,774 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:20,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:20,774 INFO L82 PathProgramCache]: Analyzing trace with hash 306286283, now seen corresponding path program 19 times [2021-08-12 20:10:20,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:20,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411846597] [2021-08-12 20:10:20,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:20,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:20,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411846597] [2021-08-12 20:10:20,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411846597] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:20,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142718780] [2021-08-12 20:10:20,856 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:20,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:20,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:21,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142718780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:21,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:21,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:21,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094795806] [2021-08-12 20:10:21,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:21,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:21,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:21,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:21,063 INFO L87 Difference]: Start difference. First operand 250 states and 582 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:21,366 INFO L93 Difference]: Finished difference Result 292 states and 655 transitions. [2021-08-12 20:10:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:21,368 INFO L225 Difference]: With dead ends: 292 [2021-08-12 20:10:21,368 INFO L226 Difference]: Without dead ends: 273 [2021-08-12 20:10:21,368 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 284.3ms TimeCoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-08-12 20:10:21,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 248. [2021-08-12 20:10:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 2.3441295546558703) internal successors, (579), 247 states have internal predecessors, (579), 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) [2021-08-12 20:10:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 579 transitions. [2021-08-12 20:10:21,390 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 579 transitions. Word has length 19 [2021-08-12 20:10:21,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:21,390 INFO L482 AbstractCegarLoop]: Abstraction has 248 states and 579 transitions. [2021-08-12 20:10:21,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 579 transitions. [2021-08-12 20:10:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:21,391 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:21,391 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:21,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:21,595 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:21,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:21,595 INFO L82 PathProgramCache]: Analyzing trace with hash 976330485, now seen corresponding path program 20 times [2021-08-12 20:10:21,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:21,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638523503] [2021-08-12 20:10:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:21,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:21,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638523503] [2021-08-12 20:10:21,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638523503] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:21,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290844478] [2021-08-12 20:10:21,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:21,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:21,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:21,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:21,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:21,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290844478] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:21,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:21,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:21,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713950998] [2021-08-12 20:10:21,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:21,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:21,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:21,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:21,892 INFO L87 Difference]: Start difference. First operand 248 states and 579 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:22,212 INFO L93 Difference]: Finished difference Result 279 states and 634 transitions. [2021-08-12 20:10:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:22,212 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:22,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:22,213 INFO L225 Difference]: With dead ends: 279 [2021-08-12 20:10:22,213 INFO L226 Difference]: Without dead ends: 265 [2021-08-12 20:10:22,214 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 305.1ms TimeCoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-08-12 20:10:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2021-08-12 20:10:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 2.341463414634146) internal successors, (576), 246 states have internal predecessors, (576), 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) [2021-08-12 20:10:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 576 transitions. [2021-08-12 20:10:22,240 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 576 transitions. Word has length 19 [2021-08-12 20:10:22,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:22,240 INFO L482 AbstractCegarLoop]: Abstraction has 247 states and 576 transitions. [2021-08-12 20:10:22,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 576 transitions. [2021-08-12 20:10:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:22,241 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:22,241 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:22,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-08-12 20:10:22,445 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:22,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:22,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1636799901, now seen corresponding path program 21 times [2021-08-12 20:10:22,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:22,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132746618] [2021-08-12 20:10:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:22,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:22,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132746618] [2021-08-12 20:10:22,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132746618] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:22,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806444089] [2021-08-12 20:10:22,527 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:22,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:10:22,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:22,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:22,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:22,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806444089] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:22,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:22,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:22,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693585151] [2021-08-12 20:10:22,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:22,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:22,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:22,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:22,709 INFO L87 Difference]: Start difference. First operand 247 states and 576 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:23,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:23,136 INFO L93 Difference]: Finished difference Result 370 states and 844 transitions. [2021-08-12 20:10:23,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 20:10:23,136 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:23,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:23,137 INFO L225 Difference]: With dead ends: 370 [2021-08-12 20:10:23,137 INFO L226 Difference]: Without dead ends: 356 [2021-08-12 20:10:23,138 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 351.6ms TimeCoverageRelationStatistics Valid=245, Invalid=811, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 20:10:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-08-12 20:10:23,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 249. [2021-08-12 20:10:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 2.350806451612903) internal successors, (583), 248 states have internal predecessors, (583), 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) [2021-08-12 20:10:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 583 transitions. [2021-08-12 20:10:23,160 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 583 transitions. Word has length 19 [2021-08-12 20:10:23,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:23,160 INFO L482 AbstractCegarLoop]: Abstraction has 249 states and 583 transitions. [2021-08-12 20:10:23,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 583 transitions. [2021-08-12 20:10:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:23,161 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:23,161 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:23,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:23,361 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:23,362 INFO L82 PathProgramCache]: Analyzing trace with hash -561088745, now seen corresponding path program 22 times [2021-08-12 20:10:23,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:23,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899789139] [2021-08-12 20:10:23,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:23,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:23,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899789139] [2021-08-12 20:10:23,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899789139] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:23,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861065885] [2021-08-12 20:10:23,456 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:23,479 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:23,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:23,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:23,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:23,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861065885] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:23,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:23,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:23,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034472035] [2021-08-12 20:10:23,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:23,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:23,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:23,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:23,660 INFO L87 Difference]: Start difference. First operand 249 states and 583 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:24,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:24,342 INFO L93 Difference]: Finished difference Result 316 states and 715 transitions. [2021-08-12 20:10:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 20:10:24,342 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:24,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:24,343 INFO L225 Difference]: With dead ends: 316 [2021-08-12 20:10:24,343 INFO L226 Difference]: Without dead ends: 303 [2021-08-12 20:10:24,344 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 588.5ms TimeCoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2021-08-12 20:10:24,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-08-12 20:10:24,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 246. [2021-08-12 20:10:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 2.342857142857143) internal successors, (574), 245 states have internal predecessors, (574), 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) [2021-08-12 20:10:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 574 transitions. [2021-08-12 20:10:24,372 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 574 transitions. Word has length 19 [2021-08-12 20:10:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:24,372 INFO L482 AbstractCegarLoop]: Abstraction has 246 states and 574 transitions. [2021-08-12 20:10:24,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 574 transitions. [2021-08-12 20:10:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:24,373 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:24,373 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:24,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-08-12 20:10:24,585 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:24,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1101563943, now seen corresponding path program 23 times [2021-08-12 20:10:24,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:24,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579228595] [2021-08-12 20:10:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:24,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:24,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579228595] [2021-08-12 20:10:24,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579228595] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:24,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855787975] [2021-08-12 20:10:24,679 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:24,700 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:24,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:24,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:24,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:24,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855787975] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:24,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:24,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:24,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747351334] [2021-08-12 20:10:24,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:24,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:24,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:24,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:24,852 INFO L87 Difference]: Start difference. First operand 246 states and 574 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:25,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:25,427 INFO L93 Difference]: Finished difference Result 390 states and 908 transitions. [2021-08-12 20:10:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-12 20:10:25,427 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:25,429 INFO L225 Difference]: With dead ends: 390 [2021-08-12 20:10:25,429 INFO L226 Difference]: Without dead ends: 379 [2021-08-12 20:10:25,429 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 445.3ms TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2021-08-12 20:10:25,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2021-08-12 20:10:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 256. [2021-08-12 20:10:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 2.392156862745098) internal successors, (610), 255 states have internal predecessors, (610), 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) [2021-08-12 20:10:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 610 transitions. [2021-08-12 20:10:25,456 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 610 transitions. Word has length 19 [2021-08-12 20:10:25,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:25,456 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 610 transitions. [2021-08-12 20:10:25,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 610 transitions. [2021-08-12 20:10:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:25,457 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:25,457 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:25,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:25,665 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:25,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:25,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1247703337, now seen corresponding path program 24 times [2021-08-12 20:10:25,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:25,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773160318] [2021-08-12 20:10:25,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:25,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:25,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773160318] [2021-08-12 20:10:25,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773160318] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:25,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209678066] [2021-08-12 20:10:25,747 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:25,768 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:25,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:25,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:25,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:25,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209678066] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:25,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:25,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:25,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117168494] [2021-08-12 20:10:25,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:25,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:25,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:25,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:25,935 INFO L87 Difference]: Start difference. First operand 256 states and 610 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:26,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:26,292 INFO L93 Difference]: Finished difference Result 387 states and 887 transitions. [2021-08-12 20:10:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 20:10:26,292 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:26,293 INFO L225 Difference]: With dead ends: 387 [2021-08-12 20:10:26,293 INFO L226 Difference]: Without dead ends: 344 [2021-08-12 20:10:26,294 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 281.9ms TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-08-12 20:10:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-08-12 20:10:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 291. [2021-08-12 20:10:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 2.406896551724138) internal successors, (698), 290 states have internal predecessors, (698), 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) [2021-08-12 20:10:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 698 transitions. [2021-08-12 20:10:26,325 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 698 transitions. Word has length 19 [2021-08-12 20:10:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:26,325 INFO L482 AbstractCegarLoop]: Abstraction has 291 states and 698 transitions. [2021-08-12 20:10:26,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 698 transitions. [2021-08-12 20:10:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:26,326 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:26,326 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:26,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-08-12 20:10:26,532 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:26,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1394193749, now seen corresponding path program 25 times [2021-08-12 20:10:26,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:26,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787501995] [2021-08-12 20:10:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:26,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:26,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787501995] [2021-08-12 20:10:26,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787501995] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:26,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827825533] [2021-08-12 20:10:26,621 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:26,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:26,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:26,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827825533] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:26,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:26,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:26,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354403857] [2021-08-12 20:10:26,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:26,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:26,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:26,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:26,807 INFO L87 Difference]: Start difference. First operand 291 states and 698 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:27,392 INFO L93 Difference]: Finished difference Result 534 states and 1262 transitions. [2021-08-12 20:10:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 20:10:27,392 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:27,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:27,395 INFO L225 Difference]: With dead ends: 534 [2021-08-12 20:10:27,395 INFO L226 Difference]: Without dead ends: 489 [2021-08-12 20:10:27,395 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 383.4ms TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2021-08-12 20:10:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-08-12 20:10:27,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 330. [2021-08-12 20:10:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 2.3951367781155017) internal successors, (788), 329 states have internal predecessors, (788), 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) [2021-08-12 20:10:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 788 transitions. [2021-08-12 20:10:27,432 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 788 transitions. Word has length 19 [2021-08-12 20:10:27,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:27,432 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 788 transitions. [2021-08-12 20:10:27,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 788 transitions. [2021-08-12 20:10:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:27,433 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:27,433 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:27,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:27,649 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash 687948011, now seen corresponding path program 26 times [2021-08-12 20:10:27,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:27,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898409375] [2021-08-12 20:10:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:27,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:27,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898409375] [2021-08-12 20:10:27,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898409375] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:27,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172328450] [2021-08-12 20:10:27,727 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:27,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:27,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:27,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:27,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:27,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172328450] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:27,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:27,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:27,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336892678] [2021-08-12 20:10:27,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:27,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:27,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:27,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:27,918 INFO L87 Difference]: Start difference. First operand 330 states and 788 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:28,525 INFO L93 Difference]: Finished difference Result 483 states and 1077 transitions. [2021-08-12 20:10:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 20:10:28,526 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:28,527 INFO L225 Difference]: With dead ends: 483 [2021-08-12 20:10:28,527 INFO L226 Difference]: Without dead ends: 436 [2021-08-12 20:10:28,528 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 413.6ms TimeCoverageRelationStatistics Valid=259, Invalid=863, Unknown=0, NotChecked=0, Total=1122 [2021-08-12 20:10:28,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-08-12 20:10:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 335. [2021-08-12 20:10:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 2.3652694610778444) internal successors, (790), 334 states have internal predecessors, (790), 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) [2021-08-12 20:10:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 790 transitions. [2021-08-12 20:10:28,576 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 790 transitions. Word has length 19 [2021-08-12 20:10:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:28,576 INFO L482 AbstractCegarLoop]: Abstraction has 335 states and 790 transitions. [2021-08-12 20:10:28,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 790 transitions. [2021-08-12 20:10:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:28,577 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:28,577 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:28,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-08-12 20:10:28,797 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:28,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:28,798 INFO L82 PathProgramCache]: Analyzing trace with hash -332621849, now seen corresponding path program 27 times [2021-08-12 20:10:28,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:28,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8394966] [2021-08-12 20:10:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:28,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:28,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8394966] [2021-08-12 20:10:28,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8394966] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:28,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617919906] [2021-08-12 20:10:28,892 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:28,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 20:10:28,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:28,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:28,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:29,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617919906] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:29,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:29,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:29,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523520361] [2021-08-12 20:10:29,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:29,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:29,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:29,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:29,094 INFO L87 Difference]: Start difference. First operand 335 states and 790 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:29,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:29,420 INFO L93 Difference]: Finished difference Result 404 states and 907 transitions. [2021-08-12 20:10:29,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:29,420 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:29,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:29,422 INFO L225 Difference]: With dead ends: 404 [2021-08-12 20:10:29,422 INFO L226 Difference]: Without dead ends: 370 [2021-08-12 20:10:29,422 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 277.5ms TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-08-12 20:10:29,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-08-12 20:10:29,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 305. [2021-08-12 20:10:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 2.3717105263157894) internal successors, (721), 304 states have internal predecessors, (721), 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) [2021-08-12 20:10:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 721 transitions. [2021-08-12 20:10:29,458 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 721 transitions. Word has length 19 [2021-08-12 20:10:29,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:29,459 INFO L482 AbstractCegarLoop]: Abstraction has 305 states and 721 transitions. [2021-08-12 20:10:29,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 721 transitions. [2021-08-12 20:10:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:29,459 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:29,459 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:29,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:29,667 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:29,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1873029991, now seen corresponding path program 28 times [2021-08-12 20:10:29,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:29,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081769829] [2021-08-12 20:10:29,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:29,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:29,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081769829] [2021-08-12 20:10:29,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081769829] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:29,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220013986] [2021-08-12 20:10:29,745 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:29,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:29,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:29,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:29,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:29,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220013986] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:29,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:29,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:29,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502995496] [2021-08-12 20:10:29,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:29,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:29,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:29,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:29,917 INFO L87 Difference]: Start difference. First operand 305 states and 721 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:30,266 INFO L93 Difference]: Finished difference Result 375 states and 837 transitions. [2021-08-12 20:10:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:30,267 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:30,268 INFO L225 Difference]: With dead ends: 375 [2021-08-12 20:10:30,268 INFO L226 Difference]: Without dead ends: 333 [2021-08-12 20:10:30,268 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 274.1ms TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2021-08-12 20:10:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-08-12 20:10:30,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 301. [2021-08-12 20:10:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 2.36) internal successors, (708), 300 states have internal predecessors, (708), 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) [2021-08-12 20:10:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 708 transitions. [2021-08-12 20:10:30,299 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 708 transitions. Word has length 19 [2021-08-12 20:10:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:30,299 INFO L482 AbstractCegarLoop]: Abstraction has 301 states and 708 transitions. [2021-08-12 20:10:30,299 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 708 transitions. [2021-08-12 20:10:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:30,300 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:30,300 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:30,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-08-12 20:10:30,501 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:30,501 INFO L82 PathProgramCache]: Analyzing trace with hash 264714809, now seen corresponding path program 29 times [2021-08-12 20:10:30,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:30,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925319936] [2021-08-12 20:10:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:30,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:30,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925319936] [2021-08-12 20:10:30,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925319936] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:30,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601758966] [2021-08-12 20:10:30,580 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:30,599 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:30,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:30,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:30,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:30,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601758966] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:30,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:30,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:30,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826763844] [2021-08-12 20:10:30,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:30,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:30,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:30,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:30,738 INFO L87 Difference]: Start difference. First operand 301 states and 708 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:31,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:31,202 INFO L93 Difference]: Finished difference Result 334 states and 759 transitions. [2021-08-12 20:10:31,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-12 20:10:31,202 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:31,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:31,203 INFO L225 Difference]: With dead ends: 334 [2021-08-12 20:10:31,203 INFO L226 Difference]: Without dead ends: 318 [2021-08-12 20:10:31,204 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 364.6ms TimeCoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2021-08-12 20:10:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-08-12 20:10:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 302. [2021-08-12 20:10:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 2.3488372093023258) internal successors, (707), 301 states have internal predecessors, (707), 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) [2021-08-12 20:10:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 707 transitions. [2021-08-12 20:10:31,232 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 707 transitions. Word has length 19 [2021-08-12 20:10:31,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:31,232 INFO L482 AbstractCegarLoop]: Abstraction has 302 states and 707 transitions. [2021-08-12 20:10:31,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 707 transitions. [2021-08-12 20:10:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:31,233 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:31,233 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:31,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-08-12 20:10:31,437 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:31,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1254323989, now seen corresponding path program 30 times [2021-08-12 20:10:31,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:31,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045694091] [2021-08-12 20:10:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:31,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:31,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045694091] [2021-08-12 20:10:31,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045694091] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:31,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690941826] [2021-08-12 20:10:31,519 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:31,538 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:31,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:31,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:31,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:31,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690941826] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:31,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:31,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-08-12 20:10:31,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4375161] [2021-08-12 20:10:31,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:31,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:31,693 INFO L87 Difference]: Start difference. First operand 302 states and 707 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:31,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:31,981 INFO L93 Difference]: Finished difference Result 350 states and 779 transitions. [2021-08-12 20:10:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:31,981 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:31,983 INFO L225 Difference]: With dead ends: 350 [2021-08-12 20:10:31,983 INFO L226 Difference]: Without dead ends: 317 [2021-08-12 20:10:31,983 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 224.9ms TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:10:31,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-08-12 20:10:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 300. [2021-08-12 20:10:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 2.321070234113712) internal successors, (694), 299 states have internal predecessors, (694), 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) [2021-08-12 20:10:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 694 transitions. [2021-08-12 20:10:32,025 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 694 transitions. Word has length 19 [2021-08-12 20:10:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:32,025 INFO L482 AbstractCegarLoop]: Abstraction has 300 states and 694 transitions. [2021-08-12 20:10:32,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 694 transitions. [2021-08-12 20:10:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:32,026 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:32,026 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:32,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:32,241 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:32,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1786837659, now seen corresponding path program 31 times [2021-08-12 20:10:32,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:32,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268875020] [2021-08-12 20:10:32,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:32,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:32,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268875020] [2021-08-12 20:10:32,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268875020] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:32,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370454658] [2021-08-12 20:10:32,325 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:32,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:32,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:32,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370454658] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:32,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:32,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:32,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463432171] [2021-08-12 20:10:32,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:32,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:32,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:32,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:32,501 INFO L87 Difference]: Start difference. First operand 300 states and 694 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:32,998 INFO L93 Difference]: Finished difference Result 471 states and 1067 transitions. [2021-08-12 20:10:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 20:10:32,998 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:32,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:33,000 INFO L225 Difference]: With dead ends: 471 [2021-08-12 20:10:33,000 INFO L226 Difference]: Without dead ends: 434 [2021-08-12 20:10:33,000 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 374.6ms TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 20:10:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-08-12 20:10:33,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 342. [2021-08-12 20:10:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 2.3870967741935485) internal successors, (814), 341 states have internal predecessors, (814), 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) [2021-08-12 20:10:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 814 transitions. [2021-08-12 20:10:33,038 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 814 transitions. Word has length 19 [2021-08-12 20:10:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:33,038 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 814 transitions. [2021-08-12 20:10:33,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 814 transitions. [2021-08-12 20:10:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:33,039 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:33,039 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:33,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-08-12 20:10:33,261 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:33,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:33,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1586221843, now seen corresponding path program 32 times [2021-08-12 20:10:33,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:33,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330074517] [2021-08-12 20:10:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:33,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:33,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330074517] [2021-08-12 20:10:33,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330074517] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:33,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126932406] [2021-08-12 20:10:33,356 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:33,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:33,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:33,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:33,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:33,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126932406] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:33,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:33,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:33,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056548559] [2021-08-12 20:10:33,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:33,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:33,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:33,585 INFO L87 Difference]: Start difference. First operand 342 states and 814 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:34,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:34,104 INFO L93 Difference]: Finished difference Result 463 states and 1073 transitions. [2021-08-12 20:10:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 20:10:34,105 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:34,107 INFO L225 Difference]: With dead ends: 463 [2021-08-12 20:10:34,107 INFO L226 Difference]: Without dead ends: 447 [2021-08-12 20:10:34,107 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 448.7ms TimeCoverageRelationStatistics Valid=275, Invalid=985, Unknown=0, NotChecked=0, Total=1260 [2021-08-12 20:10:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-08-12 20:10:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 354. [2021-08-12 20:10:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 2.405099150141643) internal successors, (849), 353 states have internal predecessors, (849), 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) [2021-08-12 20:10:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 849 transitions. [2021-08-12 20:10:34,159 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 849 transitions. Word has length 19 [2021-08-12 20:10:34,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:34,159 INFO L482 AbstractCegarLoop]: Abstraction has 354 states and 849 transitions. [2021-08-12 20:10:34,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 849 transitions. [2021-08-12 20:10:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:34,160 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:34,160 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:34,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:34,373 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:34,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537633, now seen corresponding path program 33 times [2021-08-12 20:10:34,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:34,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679170300] [2021-08-12 20:10:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:34,470 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:34,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679170300] [2021-08-12 20:10:34,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679170300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:34,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341537878] [2021-08-12 20:10:34,470 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:34,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:10:34,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:34,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:34,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:34,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341537878] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:34,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:34,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:34,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597111030] [2021-08-12 20:10:34,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:34,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:34,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:34,695 INFO L87 Difference]: Start difference. First operand 354 states and 849 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:35,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:35,060 INFO L93 Difference]: Finished difference Result 413 states and 957 transitions. [2021-08-12 20:10:35,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 20:10:35,061 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:35,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:35,063 INFO L225 Difference]: With dead ends: 413 [2021-08-12 20:10:35,063 INFO L226 Difference]: Without dead ends: 389 [2021-08-12 20:10:35,063 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 335.8ms TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-08-12 20:10:35,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-08-12 20:10:35,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2021-08-12 20:10:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 2.398876404494382) internal successors, (854), 356 states have internal predecessors, (854), 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) [2021-08-12 20:10:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 854 transitions. [2021-08-12 20:10:35,109 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 854 transitions. Word has length 19 [2021-08-12 20:10:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:35,109 INFO L482 AbstractCegarLoop]: Abstraction has 357 states and 854 transitions. [2021-08-12 20:10:35,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 854 transitions. [2021-08-12 20:10:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:35,110 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:35,110 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:35,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-08-12 20:10:35,318 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:35,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1886028755, now seen corresponding path program 34 times [2021-08-12 20:10:35,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:35,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893570980] [2021-08-12 20:10:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:35,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:35,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893570980] [2021-08-12 20:10:35,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893570980] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:35,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500577407] [2021-08-12 20:10:35,410 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:35,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:35,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:35,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:35,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:35,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500577407] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:35,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:35,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:35,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992672295] [2021-08-12 20:10:35,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:35,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:35,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:35,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:35,620 INFO L87 Difference]: Start difference. First operand 357 states and 854 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:36,003 INFO L93 Difference]: Finished difference Result 412 states and 954 transitions. [2021-08-12 20:10:36,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 20:10:36,003 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:36,005 INFO L225 Difference]: With dead ends: 412 [2021-08-12 20:10:36,005 INFO L226 Difference]: Without dead ends: 394 [2021-08-12 20:10:36,005 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 335.4ms TimeCoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2021-08-12 20:10:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-08-12 20:10:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 359. [2021-08-12 20:10:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 358 states have (on average 2.393854748603352) internal successors, (857), 358 states have internal predecessors, (857), 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) [2021-08-12 20:10:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 857 transitions. [2021-08-12 20:10:36,043 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 857 transitions. Word has length 19 [2021-08-12 20:10:36,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:36,043 INFO L482 AbstractCegarLoop]: Abstraction has 359 states and 857 transitions. [2021-08-12 20:10:36,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 857 transitions. [2021-08-12 20:10:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:36,044 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:36,044 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:36,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-08-12 20:10:36,257 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1752716457, now seen corresponding path program 35 times [2021-08-12 20:10:36,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:36,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446864197] [2021-08-12 20:10:36,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:36,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:36,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446864197] [2021-08-12 20:10:36,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446864197] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:36,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216610032] [2021-08-12 20:10:36,345 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:36,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 20:10:36,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:36,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:36,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:36,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216610032] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:36,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:36,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:36,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232926910] [2021-08-12 20:10:36,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:36,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:36,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:36,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:36,518 INFO L87 Difference]: Start difference. First operand 359 states and 857 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:36,691 INFO L93 Difference]: Finished difference Result 400 states and 926 transitions. [2021-08-12 20:10:36,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 20:10:36,691 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:36,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:36,693 INFO L225 Difference]: With dead ends: 400 [2021-08-12 20:10:36,693 INFO L226 Difference]: Without dead ends: 386 [2021-08-12 20:10:36,694 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 190.9ms TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2021-08-12 20:10:36,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 354. [2021-08-12 20:10:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 2.405099150141643) internal successors, (849), 353 states have internal predecessors, (849), 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) [2021-08-12 20:10:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 849 transitions. [2021-08-12 20:10:36,745 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 849 transitions. Word has length 19 [2021-08-12 20:10:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:36,745 INFO L482 AbstractCegarLoop]: Abstraction has 354 states and 849 transitions. [2021-08-12 20:10:36,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 849 transitions. [2021-08-12 20:10:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:36,746 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:36,746 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:36,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:36,961 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:36,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1532889265, now seen corresponding path program 36 times [2021-08-12 20:10:36,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:36,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523024181] [2021-08-12 20:10:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:37,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:37,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523024181] [2021-08-12 20:10:37,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523024181] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:37,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249352471] [2021-08-12 20:10:37,061 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:37,089 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 20:10:37,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:37,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:37,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:37,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249352471] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:37,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:37,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:37,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624960027] [2021-08-12 20:10:37,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:37,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:37,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:37,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:37,227 INFO L87 Difference]: Start difference. First operand 354 states and 849 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:38,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:38,045 INFO L93 Difference]: Finished difference Result 638 states and 1461 transitions. [2021-08-12 20:10:38,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-12 20:10:38,046 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:38,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:38,048 INFO L225 Difference]: With dead ends: 638 [2021-08-12 20:10:38,048 INFO L226 Difference]: Without dead ends: 568 [2021-08-12 20:10:38,048 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 558.5ms TimeCoverageRelationStatistics Valid=353, Invalid=1453, Unknown=0, NotChecked=0, Total=1806 [2021-08-12 20:10:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-08-12 20:10:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 398. [2021-08-12 20:10:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 2.4005037783375314) internal successors, (953), 397 states have internal predecessors, (953), 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) [2021-08-12 20:10:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 953 transitions. [2021-08-12 20:10:38,089 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 953 transitions. Word has length 19 [2021-08-12 20:10:38,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:38,089 INFO L482 AbstractCegarLoop]: Abstraction has 398 states and 953 transitions. [2021-08-12 20:10:38,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 953 transitions. [2021-08-12 20:10:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:38,090 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:38,090 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:38,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-08-12 20:10:38,293 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:38,293 INFO L82 PathProgramCache]: Analyzing trace with hash -471317365, now seen corresponding path program 37 times [2021-08-12 20:10:38,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:38,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779508257] [2021-08-12 20:10:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:38,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:38,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779508257] [2021-08-12 20:10:38,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779508257] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:38,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526233190] [2021-08-12 20:10:38,373 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:38,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:38,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:38,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526233190] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:38,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:38,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:38,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818343354] [2021-08-12 20:10:38,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:38,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:38,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:38,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:38,549 INFO L87 Difference]: Start difference. First operand 398 states and 953 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:38,866 INFO L93 Difference]: Finished difference Result 437 states and 1015 transitions. [2021-08-12 20:10:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:10:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:38,868 INFO L225 Difference]: With dead ends: 437 [2021-08-12 20:10:38,868 INFO L226 Difference]: Without dead ends: 416 [2021-08-12 20:10:38,868 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 243.5ms TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-08-12 20:10:38,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-08-12 20:10:38,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 398. [2021-08-12 20:10:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 2.395465994962217) internal successors, (951), 397 states have internal predecessors, (951), 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) [2021-08-12 20:10:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 951 transitions. [2021-08-12 20:10:38,917 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 951 transitions. Word has length 19 [2021-08-12 20:10:38,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:38,917 INFO L482 AbstractCegarLoop]: Abstraction has 398 states and 951 transitions. [2021-08-12 20:10:38,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 951 transitions. [2021-08-12 20:10:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:38,918 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:38,918 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:39,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:39,141 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:39,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:39,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1274029861, now seen corresponding path program 38 times [2021-08-12 20:10:39,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:39,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924555949] [2021-08-12 20:10:39,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:39,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:39,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924555949] [2021-08-12 20:10:39,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924555949] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:39,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453089905] [2021-08-12 20:10:39,235 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:39,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:39,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:39,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:39,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:39,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453089905] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:39,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:39,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:39,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989624529] [2021-08-12 20:10:39,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:39,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:39,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:39,423 INFO L87 Difference]: Start difference. First operand 398 states and 951 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:40,000 INFO L93 Difference]: Finished difference Result 534 states and 1223 transitions. [2021-08-12 20:10:40,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 20:10:40,000 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:40,002 INFO L225 Difference]: With dead ends: 534 [2021-08-12 20:10:40,002 INFO L226 Difference]: Without dead ends: 521 [2021-08-12 20:10:40,002 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 380.1ms TimeCoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2021-08-12 20:10:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-08-12 20:10:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 397. [2021-08-12 20:10:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 2.3914141414141414) internal successors, (947), 396 states have internal predecessors, (947), 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) [2021-08-12 20:10:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 947 transitions. [2021-08-12 20:10:40,044 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 947 transitions. Word has length 19 [2021-08-12 20:10:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:40,044 INFO L482 AbstractCegarLoop]: Abstraction has 397 states and 947 transitions. [2021-08-12 20:10:40,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 947 transitions. [2021-08-12 20:10:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:40,045 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:40,045 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:40,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-08-12 20:10:40,246 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:40,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:40,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1464333983, now seen corresponding path program 39 times [2021-08-12 20:10:40,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:40,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685148845] [2021-08-12 20:10:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:40,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:40,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685148845] [2021-08-12 20:10:40,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685148845] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:40,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185831843] [2021-08-12 20:10:40,333 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:40,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 20:10:40,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:40,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:40,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185831843] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:40,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:40,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:40,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711136597] [2021-08-12 20:10:40,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:40,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:40,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:40,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:40,537 INFO L87 Difference]: Start difference. First operand 397 states and 947 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:41,097 INFO L93 Difference]: Finished difference Result 530 states and 1214 transitions. [2021-08-12 20:10:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 20:10:41,097 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:41,099 INFO L225 Difference]: With dead ends: 530 [2021-08-12 20:10:41,099 INFO L226 Difference]: Without dead ends: 519 [2021-08-12 20:10:41,100 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 376.1ms TimeCoverageRelationStatistics Valid=237, Invalid=819, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 20:10:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-08-12 20:10:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 401. [2021-08-12 20:10:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 2.385) internal successors, (954), 400 states have internal predecessors, (954), 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) [2021-08-12 20:10:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 954 transitions. [2021-08-12 20:10:41,142 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 954 transitions. Word has length 19 [2021-08-12 20:10:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:41,142 INFO L482 AbstractCegarLoop]: Abstraction has 401 states and 954 transitions. [2021-08-12 20:10:41,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 954 transitions. [2021-08-12 20:10:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:41,143 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:41,143 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:41,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:41,343 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:41,343 INFO L82 PathProgramCache]: Analyzing trace with hash 389426617, now seen corresponding path program 40 times [2021-08-12 20:10:41,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:41,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769046395] [2021-08-12 20:10:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:41,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:41,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769046395] [2021-08-12 20:10:41,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769046395] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:41,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478571551] [2021-08-12 20:10:41,424 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:41,443 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:41,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:41,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:41,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:41,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478571551] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:41,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:41,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:41,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729038258] [2021-08-12 20:10:41,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:41,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:41,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:41,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:41,588 INFO L87 Difference]: Start difference. First operand 401 states and 954 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:42,126 INFO L93 Difference]: Finished difference Result 485 states and 1089 transitions. [2021-08-12 20:10:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 20:10:42,127 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:42,129 INFO L225 Difference]: With dead ends: 485 [2021-08-12 20:10:42,129 INFO L226 Difference]: Without dead ends: 440 [2021-08-12 20:10:42,129 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 372.5ms TimeCoverageRelationStatistics Valid=210, Invalid=846, Unknown=0, NotChecked=0, Total=1056 [2021-08-12 20:10:42,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-08-12 20:10:42,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 402. [2021-08-12 20:10:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 401 states have (on average 2.374064837905237) internal successors, (952), 401 states have internal predecessors, (952), 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) [2021-08-12 20:10:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 952 transitions. [2021-08-12 20:10:42,187 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 952 transitions. Word has length 19 [2021-08-12 20:10:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:42,187 INFO L482 AbstractCegarLoop]: Abstraction has 402 states and 952 transitions. [2021-08-12 20:10:42,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 952 transitions. [2021-08-12 20:10:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:42,188 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:42,188 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:42,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:42,388 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:42,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1430558513, now seen corresponding path program 41 times [2021-08-12 20:10:42,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:42,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924817458] [2021-08-12 20:10:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:42,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:42,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924817458] [2021-08-12 20:10:42,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924817458] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:42,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27548635] [2021-08-12 20:10:42,469 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:42,487 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 20:10:42,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:42,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:42,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:42,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27548635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:42,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:42,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:42,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782298095] [2021-08-12 20:10:42,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:42,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:42,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:42,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:42,621 INFO L87 Difference]: Start difference. First operand 402 states and 952 transitions. Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:42,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:42,978 INFO L93 Difference]: Finished difference Result 476 states and 1097 transitions. [2021-08-12 20:10:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:42,978 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) Word has length 19 [2021-08-12 20:10:42,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:42,980 INFO L225 Difference]: With dead ends: 476 [2021-08-12 20:10:42,980 INFO L226 Difference]: Without dead ends: 457 [2021-08-12 20:10:42,980 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 277.2ms TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2021-08-12 20:10:42,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-08-12 20:10:43,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 395. [2021-08-12 20:10:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 394 states have (on average 2.3756345177664975) internal successors, (936), 394 states have internal predecessors, (936), 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) [2021-08-12 20:10:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 936 transitions. [2021-08-12 20:10:43,022 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 936 transitions. Word has length 19 [2021-08-12 20:10:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:43,022 INFO L482 AbstractCegarLoop]: Abstraction has 395 states and 936 transitions. [2021-08-12 20:10:43,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 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) [2021-08-12 20:10:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 936 transitions. [2021-08-12 20:10:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:43,023 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:43,023 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:43,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-08-12 20:10:43,223 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:43,223 INFO L82 PathProgramCache]: Analyzing trace with hash 11172077, now seen corresponding path program 42 times [2021-08-12 20:10:43,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:43,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686407860] [2021-08-12 20:10:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:43,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:43,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686407860] [2021-08-12 20:10:43,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686407860] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:43,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049904937] [2021-08-12 20:10:43,314 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:43,333 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:43,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:43,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:43,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049904937] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:43,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:43,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:43,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112608273] [2021-08-12 20:10:43,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:43,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:43,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:43,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:43,499 INFO L87 Difference]: Start difference. First operand 395 states and 936 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:43,913 INFO L93 Difference]: Finished difference Result 507 states and 1161 transitions. [2021-08-12 20:10:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:43,913 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:43,915 INFO L225 Difference]: With dead ends: 507 [2021-08-12 20:10:43,915 INFO L226 Difference]: Without dead ends: 492 [2021-08-12 20:10:43,915 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 296.9ms TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:43,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-08-12 20:10:43,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 414. [2021-08-12 20:10:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 2.375302663438257) internal successors, (981), 413 states have internal predecessors, (981), 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) [2021-08-12 20:10:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 981 transitions. [2021-08-12 20:10:43,960 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 981 transitions. Word has length 19 [2021-08-12 20:10:43,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:43,961 INFO L482 AbstractCegarLoop]: Abstraction has 414 states and 981 transitions. [2021-08-12 20:10:43,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 981 transitions. [2021-08-12 20:10:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:43,961 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:43,961 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:44,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:44,162 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:44,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:44,162 INFO L82 PathProgramCache]: Analyzing trace with hash 735553785, now seen corresponding path program 43 times [2021-08-12 20:10:44,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:44,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471159065] [2021-08-12 20:10:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:44,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:44,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471159065] [2021-08-12 20:10:44,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471159065] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:44,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608557854] [2021-08-12 20:10:44,243 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:44,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:44,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:44,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608557854] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:44,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:44,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:44,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665378998] [2021-08-12 20:10:44,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:44,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:44,414 INFO L87 Difference]: Start difference. First operand 414 states and 981 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:44,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:44,743 INFO L93 Difference]: Finished difference Result 491 states and 1129 transitions. [2021-08-12 20:10:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:44,743 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:44,745 INFO L225 Difference]: With dead ends: 491 [2021-08-12 20:10:44,745 INFO L226 Difference]: Without dead ends: 469 [2021-08-12 20:10:44,745 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 250.5ms TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2021-08-12 20:10:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-08-12 20:10:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 435. [2021-08-12 20:10:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 2.3755760368663594) internal successors, (1031), 434 states have internal predecessors, (1031), 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) [2021-08-12 20:10:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 1031 transitions. [2021-08-12 20:10:44,793 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 1031 transitions. Word has length 19 [2021-08-12 20:10:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:44,793 INFO L482 AbstractCegarLoop]: Abstraction has 435 states and 1031 transitions. [2021-08-12 20:10:44,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1031 transitions. [2021-08-12 20:10:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:44,794 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:44,794 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:44,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-08-12 20:10:44,994 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:44,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:44,995 INFO L82 PathProgramCache]: Analyzing trace with hash 589063373, now seen corresponding path program 44 times [2021-08-12 20:10:44,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:44,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807611854] [2021-08-12 20:10:44,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:45,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:45,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807611854] [2021-08-12 20:10:45,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807611854] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:45,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039832215] [2021-08-12 20:10:45,089 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:45,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:45,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:45,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:45,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:45,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039832215] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:45,261 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:45,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:45,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36608241] [2021-08-12 20:10:45,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:45,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:45,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:45,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:45,262 INFO L87 Difference]: Start difference. First operand 435 states and 1031 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:45,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:45,708 INFO L93 Difference]: Finished difference Result 625 states and 1483 transitions. [2021-08-12 20:10:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 20:10:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:45,710 INFO L225 Difference]: With dead ends: 625 [2021-08-12 20:10:45,710 INFO L226 Difference]: Without dead ends: 609 [2021-08-12 20:10:45,710 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 297.5ms TimeCoverageRelationStatistics Valid=151, Invalid=551, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-08-12 20:10:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 521. [2021-08-12 20:10:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 520 states have (on average 2.4288461538461537) internal successors, (1263), 520 states have internal predecessors, (1263), 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) [2021-08-12 20:10:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 1263 transitions. [2021-08-12 20:10:45,768 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 1263 transitions. Word has length 19 [2021-08-12 20:10:45,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:45,768 INFO L482 AbstractCegarLoop]: Abstraction has 521 states and 1263 transitions. [2021-08-12 20:10:45,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1263 transitions. [2021-08-12 20:10:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:45,769 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:45,769 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:45,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:45,970 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash -737202913, now seen corresponding path program 45 times [2021-08-12 20:10:45,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:45,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471248188] [2021-08-12 20:10:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:46,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:46,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471248188] [2021-08-12 20:10:46,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471248188] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:46,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595854144] [2021-08-12 20:10:46,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:46,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:10:46,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:46,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:46,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:46,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595854144] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:46,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:46,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:46,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418566316] [2021-08-12 20:10:46,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:46,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:46,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:46,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:46,234 INFO L87 Difference]: Start difference. First operand 521 states and 1263 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:46,673 INFO L93 Difference]: Finished difference Result 572 states and 1342 transitions. [2021-08-12 20:10:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 20:10:46,673 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:46,675 INFO L225 Difference]: With dead ends: 572 [2021-08-12 20:10:46,675 INFO L226 Difference]: Without dead ends: 553 [2021-08-12 20:10:46,676 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 301.9ms TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2021-08-12 20:10:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-08-12 20:10:46,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 480. [2021-08-12 20:10:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 479 states have (on average 2.363256784968685) internal successors, (1132), 479 states have internal predecessors, (1132), 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) [2021-08-12 20:10:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 1132 transitions. [2021-08-12 20:10:46,735 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 1132 transitions. Word has length 19 [2021-08-12 20:10:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:46,735 INFO L482 AbstractCegarLoop]: Abstraction has 480 states and 1132 transitions. [2021-08-12 20:10:46,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1132 transitions. [2021-08-12 20:10:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:46,736 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:46,736 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:46,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-08-12 20:10:46,937 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:46,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:46,937 INFO L82 PathProgramCache]: Analyzing trace with hash -67158711, now seen corresponding path program 46 times [2021-08-12 20:10:46,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:46,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169881466] [2021-08-12 20:10:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:47,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:47,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169881466] [2021-08-12 20:10:47,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169881466] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:47,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694188263] [2021-08-12 20:10:47,022 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:47,042 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:47,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:47,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:47,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:47,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694188263] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:47,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:47,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:47,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789356621] [2021-08-12 20:10:47,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:47,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:47,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:47,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:47,198 INFO L87 Difference]: Start difference. First operand 480 states and 1132 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:48,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:48,036 INFO L93 Difference]: Finished difference Result 766 states and 1733 transitions. [2021-08-12 20:10:48,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-12 20:10:48,036 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:48,038 INFO L225 Difference]: With dead ends: 766 [2021-08-12 20:10:48,038 INFO L226 Difference]: Without dead ends: 718 [2021-08-12 20:10:48,038 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 508.9ms TimeCoverageRelationStatistics Valid=354, Invalid=1206, Unknown=0, NotChecked=0, Total=1560 [2021-08-12 20:10:48,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2021-08-12 20:10:48,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 533. [2021-08-12 20:10:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 2.3477443609022557) internal successors, (1249), 532 states have internal predecessors, (1249), 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) [2021-08-12 20:10:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 1249 transitions. [2021-08-12 20:10:48,103 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 1249 transitions. Word has length 19 [2021-08-12 20:10:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:48,104 INFO L482 AbstractCegarLoop]: Abstraction has 533 states and 1249 transitions. [2021-08-12 20:10:48,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:48,104 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1249 transitions. [2021-08-12 20:10:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:48,104 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:48,104 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:48,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-08-12 20:10:48,305 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash 338508243, now seen corresponding path program 47 times [2021-08-12 20:10:48,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:48,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000020741] [2021-08-12 20:10:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:48,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:48,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000020741] [2021-08-12 20:10:48,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000020741] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:48,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347673048] [2021-08-12 20:10:48,386 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:48,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:48,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:10:48,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:48,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347673048] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:10:48,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:10:48,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:10:48,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175114927] [2021-08-12 20:10:48,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:10:48,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:48,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:10:48,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:48,543 INFO L87 Difference]: Start difference. First operand 533 states and 1249 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:48,879 INFO L93 Difference]: Finished difference Result 677 states and 1557 transitions. [2021-08-12 20:10:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:48,880 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:10:48,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:48,882 INFO L225 Difference]: With dead ends: 677 [2021-08-12 20:10:48,882 INFO L226 Difference]: Without dead ends: 660 [2021-08-12 20:10:48,882 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 221.8ms TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-08-12 20:10:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2021-08-12 20:10:48,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 390. [2021-08-12 20:10:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 2.3059125964010283) internal successors, (897), 389 states have internal predecessors, (897), 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) [2021-08-12 20:10:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 897 transitions. [2021-08-12 20:10:48,931 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 897 transitions. Word has length 19 [2021-08-12 20:10:48,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:48,931 INFO L482 AbstractCegarLoop]: Abstraction has 390 states and 897 transitions. [2021-08-12 20:10:48,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:10:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 897 transitions. [2021-08-12 20:10:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:48,932 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:48,932 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:49,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:49,137 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:49,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1596297767, now seen corresponding path program 48 times [2021-08-12 20:10:49,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:49,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694175833] [2021-08-12 20:10:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:49,224 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:49,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694175833] [2021-08-12 20:10:49,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694175833] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:49,224 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150947496] [2021-08-12 20:10:49,224 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:49,248 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:49,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:49,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:49,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:49,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150947496] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:49,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:49,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:49,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098036629] [2021-08-12 20:10:49,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:49,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:49,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:49,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:49,436 INFO L87 Difference]: Start difference. First operand 390 states and 897 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:50,334 INFO L93 Difference]: Finished difference Result 582 states and 1292 transitions. [2021-08-12 20:10:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-12 20:10:50,334 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:50,336 INFO L225 Difference]: With dead ends: 582 [2021-08-12 20:10:50,336 INFO L226 Difference]: Without dead ends: 531 [2021-08-12 20:10:50,337 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 642.6ms TimeCoverageRelationStatistics Valid=389, Invalid=1681, Unknown=0, NotChecked=0, Total=2070 [2021-08-12 20:10:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2021-08-12 20:10:50,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 431. [2021-08-12 20:10:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 2.3232558139534882) internal successors, (999), 430 states have internal predecessors, (999), 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) [2021-08-12 20:10:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 999 transitions. [2021-08-12 20:10:50,401 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 999 transitions. Word has length 19 [2021-08-12 20:10:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:50,401 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 999 transitions. [2021-08-12 20:10:50,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 999 transitions. [2021-08-12 20:10:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:50,401 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:50,401 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:50,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-08-12 20:10:50,602 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:50,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:50,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1320337189, now seen corresponding path program 49 times [2021-08-12 20:10:50,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:50,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031682975] [2021-08-12 20:10:50,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:50,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:50,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031682975] [2021-08-12 20:10:50,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031682975] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:50,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89646480] [2021-08-12 20:10:50,681 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:50,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:50,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:50,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89646480] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:50,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:50,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:50,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108706887] [2021-08-12 20:10:50,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:50,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:50,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:50,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:50,860 INFO L87 Difference]: Start difference. First operand 431 states and 999 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:51,262 INFO L93 Difference]: Finished difference Result 492 states and 1119 transitions. [2021-08-12 20:10:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 20:10:51,262 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:51,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:51,264 INFO L225 Difference]: With dead ends: 492 [2021-08-12 20:10:51,264 INFO L226 Difference]: Without dead ends: 476 [2021-08-12 20:10:51,264 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 289.6ms TimeCoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:51,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-08-12 20:10:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 396. [2021-08-12 20:10:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 2.278481012658228) internal successors, (900), 395 states have internal predecessors, (900), 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) [2021-08-12 20:10:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 900 transitions. [2021-08-12 20:10:51,327 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 900 transitions. Word has length 19 [2021-08-12 20:10:51,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:51,327 INFO L482 AbstractCegarLoop]: Abstraction has 396 states and 900 transitions. [2021-08-12 20:10:51,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 900 transitions. [2021-08-12 20:10:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:51,328 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:51,328 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:51,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:51,528 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:51,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1648363821, now seen corresponding path program 50 times [2021-08-12 20:10:51,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:51,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582848970] [2021-08-12 20:10:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:51,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:51,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582848970] [2021-08-12 20:10:51,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582848970] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:51,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662947649] [2021-08-12 20:10:51,614 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 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:51,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:51,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:51,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:51,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:51,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662947649] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:51,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:51,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:51,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099499438] [2021-08-12 20:10:51,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:51,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:51,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:51,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:51,822 INFO L87 Difference]: Start difference. First operand 396 states and 900 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:52,247 INFO L93 Difference]: Finished difference Result 450 states and 1003 transitions. [2021-08-12 20:10:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 20:10:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:52,249 INFO L225 Difference]: With dead ends: 450 [2021-08-12 20:10:52,249 INFO L226 Difference]: Without dead ends: 434 [2021-08-12 20:10:52,250 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 338.7ms TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2021-08-12 20:10:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-08-12 20:10:52,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 299. [2021-08-12 20:10:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 2.197986577181208) internal successors, (655), 298 states have internal predecessors, (655), 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) [2021-08-12 20:10:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 655 transitions. [2021-08-12 20:10:52,294 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 655 transitions. Word has length 19 [2021-08-12 20:10:52,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:52,294 INFO L482 AbstractCegarLoop]: Abstraction has 299 states and 655 transitions. [2021-08-12 20:10:52,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 655 transitions. [2021-08-12 20:10:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:52,295 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:52,295 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:52,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,54 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:52,495 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:52,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:52,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1976559273, now seen corresponding path program 51 times [2021-08-12 20:10:52,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:52,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813387690] [2021-08-12 20:10:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:52,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:52,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813387690] [2021-08-12 20:10:52,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813387690] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:52,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666569214] [2021-08-12 20:10:52,584 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:52,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:10:52,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:52,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:52,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:52,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666569214] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:52,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:52,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:52,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807331733] [2021-08-12 20:10:52,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:52,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:52,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:52,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:52,777 INFO L87 Difference]: Start difference. First operand 299 states and 655 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:53,139 INFO L93 Difference]: Finished difference Result 339 states and 724 transitions. [2021-08-12 20:10:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:53,139 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:53,141 INFO L225 Difference]: With dead ends: 339 [2021-08-12 20:10:53,141 INFO L226 Difference]: Without dead ends: 326 [2021-08-12 20:10:53,141 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 310.8ms TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-08-12 20:10:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 297. [2021-08-12 20:10:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 2.195945945945946) internal successors, (650), 296 states have internal predecessors, (650), 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) [2021-08-12 20:10:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 650 transitions. [2021-08-12 20:10:53,184 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 650 transitions. Word has length 19 [2021-08-12 20:10:53,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:53,185 INFO L482 AbstractCegarLoop]: Abstraction has 297 states and 650 transitions. [2021-08-12 20:10:53,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 650 transitions. [2021-08-12 20:10:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:53,185 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:53,185 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:53,387 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:53,387 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:53,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:53,387 INFO L82 PathProgramCache]: Analyzing trace with hash -900848117, now seen corresponding path program 52 times [2021-08-12 20:10:53,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:53,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446285251] [2021-08-12 20:10:53,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:53,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:53,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446285251] [2021-08-12 20:10:53,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446285251] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:53,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330025039] [2021-08-12 20:10:53,489 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 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:53,513 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:53,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:53,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:10:53,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:53,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330025039] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:53,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:53,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:53,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616719490] [2021-08-12 20:10:53,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:53,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:53,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:53,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:53,695 INFO L87 Difference]: Start difference. First operand 297 states and 650 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:54,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:54,831 INFO L93 Difference]: Finished difference Result 576 states and 1212 transitions. [2021-08-12 20:10:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-12 20:10:54,831 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:10:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:54,832 INFO L225 Difference]: With dead ends: 576 [2021-08-12 20:10:54,832 INFO L226 Difference]: Without dead ends: 527 [2021-08-12 20:10:54,833 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 852.5ms TimeCoverageRelationStatistics Valid=624, Invalid=2238, Unknown=0, NotChecked=0, Total=2862 [2021-08-12 20:10:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2021-08-12 20:10:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 330. [2021-08-12 20:10:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 2.2036474164133737) internal successors, (725), 329 states have internal predecessors, (725), 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) [2021-08-12 20:10:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 725 transitions. [2021-08-12 20:10:54,887 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 725 transitions. Word has length 19 [2021-08-12 20:10:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:54,887 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 725 transitions. [2021-08-12 20:10:54,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:10:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 725 transitions. [2021-08-12 20:10:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:54,887 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:54,888 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:55,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:55,088 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:55,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:55,088 INFO L82 PathProgramCache]: Analyzing trace with hash -258765289, now seen corresponding path program 53 times [2021-08-12 20:10:55,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:55,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622909093] [2021-08-12 20:10:55,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:55,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:55,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622909093] [2021-08-12 20:10:55,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622909093] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:55,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243743903] [2021-08-12 20:10:55,174 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 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:55,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:55,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:55,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:55,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:55,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243743903] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:55,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:55,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:55,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797877559] [2021-08-12 20:10:55,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:55,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:55,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:55,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:55,344 INFO L87 Difference]: Start difference. First operand 330 states and 725 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:55,690 INFO L93 Difference]: Finished difference Result 372 states and 792 transitions. [2021-08-12 20:10:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:55,691 INFO L225 Difference]: With dead ends: 372 [2021-08-12 20:10:55,692 INFO L226 Difference]: Without dead ends: 349 [2021-08-12 20:10:55,692 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 250.8ms TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-08-12 20:10:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2021-08-12 20:10:55,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 301. [2021-08-12 20:10:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 2.183333333333333) internal successors, (655), 300 states have internal predecessors, (655), 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) [2021-08-12 20:10:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 655 transitions. [2021-08-12 20:10:55,737 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 655 transitions. Word has length 19 [2021-08-12 20:10:55,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:55,737 INFO L482 AbstractCegarLoop]: Abstraction has 301 states and 655 transitions. [2021-08-12 20:10:55,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 655 transitions. [2021-08-12 20:10:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:55,738 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:55,738 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:55,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:55,953 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:55,953 INFO L82 PathProgramCache]: Analyzing trace with hash -385810339, now seen corresponding path program 54 times [2021-08-12 20:10:55,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:55,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745604926] [2021-08-12 20:10:55,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:56,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:56,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745604926] [2021-08-12 20:10:56,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745604926] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:56,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77242419] [2021-08-12 20:10:56,049 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 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:56,074 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 20:10:56,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:56,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:56,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77242419] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:56,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:56,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:56,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255328948] [2021-08-12 20:10:56,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:56,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:56,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:56,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:56,273 INFO L87 Difference]: Start difference. First operand 301 states and 655 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:56,799 INFO L93 Difference]: Finished difference Result 356 states and 745 transitions. [2021-08-12 20:10:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 20:10:56,800 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:56,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:56,801 INFO L225 Difference]: With dead ends: 356 [2021-08-12 20:10:56,801 INFO L226 Difference]: Without dead ends: 340 [2021-08-12 20:10:56,802 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 360.0ms TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2021-08-12 20:10:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-08-12 20:10:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 297. [2021-08-12 20:10:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 2.1824324324324325) internal successors, (646), 296 states have internal predecessors, (646), 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) [2021-08-12 20:10:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 646 transitions. [2021-08-12 20:10:56,859 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 646 transitions. Word has length 19 [2021-08-12 20:10:56,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:56,859 INFO L482 AbstractCegarLoop]: Abstraction has 297 states and 646 transitions. [2021-08-12 20:10:56,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 646 transitions. [2021-08-12 20:10:56,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:56,860 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:56,860 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:57,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:57,060 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:57,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:57,060 INFO L82 PathProgramCache]: Analyzing trace with hash 529271149, now seen corresponding path program 55 times [2021-08-12 20:10:57,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:57,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246105353] [2021-08-12 20:10:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:57,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:57,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246105353] [2021-08-12 20:10:57,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246105353] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:57,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543057108] [2021-08-12 20:10:57,152 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 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:57,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:57,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:57,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543057108] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:57,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:57,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:57,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434012333] [2021-08-12 20:10:57,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:57,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:57,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:57,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:57,344 INFO L87 Difference]: Start difference. First operand 297 states and 646 transitions. Second operand has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:57,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:57,628 INFO L93 Difference]: Finished difference Result 325 states and 687 transitions. [2021-08-12 20:10:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:57,628 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) Word has length 19 [2021-08-12 20:10:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:57,629 INFO L225 Difference]: With dead ends: 325 [2021-08-12 20:10:57,629 INFO L226 Difference]: Without dead ends: 309 [2021-08-12 20:10:57,629 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 250.0ms TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:10:57,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-08-12 20:10:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 275. [2021-08-12 20:10:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 274 states have (on average 2.1824817518248176) internal successors, (598), 274 states have internal predecessors, (598), 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) [2021-08-12 20:10:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 598 transitions. [2021-08-12 20:10:57,670 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 598 transitions. Word has length 19 [2021-08-12 20:10:57,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:57,670 INFO L482 AbstractCegarLoop]: Abstraction has 275 states and 598 transitions. [2021-08-12 20:10:57,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 19 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) [2021-08-12 20:10:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 598 transitions. [2021-08-12 20:10:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:57,671 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:57,671 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:57,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-08-12 20:10:57,871 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:57,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:57,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1199315351, now seen corresponding path program 56 times [2021-08-12 20:10:57,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:57,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127675238] [2021-08-12 20:10:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:57,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:57,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127675238] [2021-08-12 20:10:57,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127675238] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:57,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952472839] [2021-08-12 20:10:57,964 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 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:57,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:10:57,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:57,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:57,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:58,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952472839] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:58,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:58,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:58,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257016561] [2021-08-12 20:10:58,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:58,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:58,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:58,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:58,160 INFO L87 Difference]: Start difference. First operand 275 states and 598 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:58,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:58,469 INFO L93 Difference]: Finished difference Result 301 states and 635 transitions. [2021-08-12 20:10:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:58,470 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:58,470 INFO L225 Difference]: With dead ends: 301 [2021-08-12 20:10:58,470 INFO L226 Difference]: Without dead ends: 289 [2021-08-12 20:10:58,471 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 251.6ms TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:10:58,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-08-12 20:10:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 261. [2021-08-12 20:10:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 2.1846153846153844) internal successors, (568), 260 states have internal predecessors, (568), 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) [2021-08-12 20:10:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 568 transitions. [2021-08-12 20:10:58,511 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 568 transitions. Word has length 19 [2021-08-12 20:10:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:58,511 INFO L482 AbstractCegarLoop]: Abstraction has 261 states and 568 transitions. [2021-08-12 20:10:58,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 568 transitions. [2021-08-12 20:10:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:58,511 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:58,511 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:58,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:58,711 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:58,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:58,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1432999257, now seen corresponding path program 57 times [2021-08-12 20:10:58,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:58,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821473582] [2021-08-12 20:10:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:58,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:58,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821473582] [2021-08-12 20:10:58,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821473582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:58,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333703512] [2021-08-12 20:10:58,800 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 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:58,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 20:10:58,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:58,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:58,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:59,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333703512] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:59,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:59,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-08-12 20:10:59,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551019577] [2021-08-12 20:10:59,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 20:10:59,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:59,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 20:10:59,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-08-12 20:10:59,019 INFO L87 Difference]: Start difference. First operand 261 states and 568 transitions. Second operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:59,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:10:59,338 INFO L93 Difference]: Finished difference Result 284 states and 601 transitions. [2021-08-12 20:10:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:10:59,338 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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 19 [2021-08-12 20:10:59,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:10:59,339 INFO L225 Difference]: With dead ends: 284 [2021-08-12 20:10:59,339 INFO L226 Difference]: Without dead ends: 273 [2021-08-12 20:10:59,339 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 271.2ms TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:10:59,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-08-12 20:10:59,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 252. [2021-08-12 20:10:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 2.187250996015936) internal successors, (549), 251 states have internal predecessors, (549), 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) [2021-08-12 20:10:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 549 transitions. [2021-08-12 20:10:59,378 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 549 transitions. Word has length 19 [2021-08-12 20:10:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:10:59,378 INFO L482 AbstractCegarLoop]: Abstraction has 252 states and 549 transitions. [2021-08-12 20:10:59,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-08-12 20:10:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 549 transitions. [2021-08-12 20:10:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:10:59,379 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:10:59,379 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:10:59,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-08-12 20:10:59,579 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:10:59,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:10:59,579 INFO L82 PathProgramCache]: Analyzing trace with hash -265385941, now seen corresponding path program 58 times [2021-08-12 20:10:59,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:10:59,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560685827] [2021-08-12 20:10:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:10:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:10:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:59,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:10:59,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560685827] [2021-08-12 20:10:59,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560685827] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:59,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183379582] [2021-08-12 20:10:59,668 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 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:10:59,696 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:10:59,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:10:59,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-12 20:10:59,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:10:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:10:59,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183379582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:10:59,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:10:59,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-08-12 20:10:59,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846208307] [2021-08-12 20:10:59,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 20:10:59,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:10:59,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 20:10:59,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:10:59,874 INFO L87 Difference]: Start difference. First operand 252 states and 549 transitions. Second operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:11:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:00,428 INFO L93 Difference]: Finished difference Result 321 states and 677 transitions. [2021-08-12 20:11:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 20:11:00,429 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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 19 [2021-08-12 20:11:00,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:00,430 INFO L225 Difference]: With dead ends: 321 [2021-08-12 20:11:00,430 INFO L226 Difference]: Without dead ends: 304 [2021-08-12 20:11:00,431 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 391.9ms TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-08-12 20:11:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-08-12 20:11:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 252. [2021-08-12 20:11:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 2.187250996015936) internal successors, (549), 251 states have internal predecessors, (549), 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) [2021-08-12 20:11:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 549 transitions. [2021-08-12 20:11:00,471 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 549 transitions. Word has length 19 [2021-08-12 20:11:00,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:00,471 INFO L482 AbstractCegarLoop]: Abstraction has 252 states and 549 transitions. [2021-08-12 20:11:00,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 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) [2021-08-12 20:11:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 549 transitions. [2021-08-12 20:11:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-12 20:11:00,471 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:00,471 INFO L550 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:00,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:00,672 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:00,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1815085655, now seen corresponding path program 59 times [2021-08-12 20:11:00,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:00,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886324735] [2021-08-12 20:11:00,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:00,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:00,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886324735] [2021-08-12 20:11:00,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886324735] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:00,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368285362] [2021-08-12 20:11:00,761 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 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:00,779 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:11:00,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:00,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:00,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:00,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368285362] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:11:00,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:11:00,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2021-08-12 20:11:00,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702535376] [2021-08-12 20:11:00,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:11:00,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:00,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:11:00,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:11:00,910 INFO L87 Difference]: Start difference. First operand 252 states and 549 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:11:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:01,084 INFO L93 Difference]: Finished difference Result 266 states and 568 transitions. [2021-08-12 20:11:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 20:11:01,085 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 19 [2021-08-12 20:11:01,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:01,086 INFO L225 Difference]: With dead ends: 266 [2021-08-12 20:11:01,086 INFO L226 Difference]: Without dead ends: 198 [2021-08-12 20:11:01,086 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 174.6ms TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-12 20:11:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-08-12 20:11:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 171. [2021-08-12 20:11:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.6764705882352942) internal successors, (285), 170 states have internal predecessors, (285), 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) [2021-08-12 20:11:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 285 transitions. [2021-08-12 20:11:01,105 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 285 transitions. Word has length 19 [2021-08-12 20:11:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:01,105 INFO L482 AbstractCegarLoop]: Abstraction has 171 states and 285 transitions. [2021-08-12 20:11:01,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-08-12 20:11:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2021-08-12 20:11:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-12 20:11:01,105 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:01,105 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:01,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:01,306 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:01,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:01,306 INFO L82 PathProgramCache]: Analyzing trace with hash -477505781, now seen corresponding path program 60 times [2021-08-12 20:11:01,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:01,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658756395] [2021-08-12 20:11:01,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:01,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:01,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658756395] [2021-08-12 20:11:01,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658756395] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:01,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304752316] [2021-08-12 20:11:01,333 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 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:01,353 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 20:11:01,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:01,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 20:11:01,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:01,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304752316] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:01,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:01,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-12 20:11:01,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762445918] [2021-08-12 20:11:01,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 20:11:01,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 20:11:01,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-12 20:11:01,381 INFO L87 Difference]: Start difference. First operand 171 states and 285 transitions. Second operand has 7 states, 7 states have (on average 3.0) 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) [2021-08-12 20:11:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:01,518 INFO L93 Difference]: Finished difference Result 227 states and 364 transitions. [2021-08-12 20:11:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 20:11:01,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) 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 [2021-08-12 20:11:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:01,519 INFO L225 Difference]: With dead ends: 227 [2021-08-12 20:11:01,519 INFO L226 Difference]: Without dead ends: 213 [2021-08-12 20:11:01,519 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 42.6ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-08-12 20:11:01,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-08-12 20:11:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 167. [2021-08-12 20:11:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.6686746987951808) internal successors, (277), 166 states have internal predecessors, (277), 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) [2021-08-12 20:11:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 277 transitions. [2021-08-12 20:11:01,538 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 277 transitions. Word has length 21 [2021-08-12 20:11:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:01,538 INFO L482 AbstractCegarLoop]: Abstraction has 167 states and 277 transitions. [2021-08-12 20:11:01,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) 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) [2021-08-12 20:11:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 277 transitions. [2021-08-12 20:11:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-12 20:11:01,538 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:01,539 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:01,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:01,739 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:01,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1317377295, now seen corresponding path program 61 times [2021-08-12 20:11:01,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:01,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926835153] [2021-08-12 20:11:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 20:11:01,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:01,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926835153] [2021-08-12 20:11:01,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926835153] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:01,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843909527] [2021-08-12 20:11:01,760 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 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:01,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 20:11:01,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 20:11:01,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843909527] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:01,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:01,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-08-12 20:11:01,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963531128] [2021-08-12 20:11:01,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 20:11:01,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:01,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 20:11:01,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-12 20:11:01,812 INFO L87 Difference]: Start difference. First operand 167 states and 277 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-08-12 20:11:01,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:01,953 INFO L93 Difference]: Finished difference Result 212 states and 336 transitions. [2021-08-12 20:11:01,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 20:11:01,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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 [2021-08-12 20:11:01,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:01,954 INFO L225 Difference]: With dead ends: 212 [2021-08-12 20:11:01,954 INFO L226 Difference]: Without dead ends: 184 [2021-08-12 20:11:01,954 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 43.1ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-08-12 20:11:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-08-12 20:11:01,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 155. [2021-08-12 20:11:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.6818181818181819) internal successors, (259), 154 states have internal predecessors, (259), 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) [2021-08-12 20:11:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 259 transitions. [2021-08-12 20:11:01,971 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 259 transitions. Word has length 21 [2021-08-12 20:11:01,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:01,971 INFO L482 AbstractCegarLoop]: Abstraction has 155 states and 259 transitions. [2021-08-12 20:11:01,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-08-12 20:11:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 259 transitions. [2021-08-12 20:11:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-12 20:11:01,972 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:01,972 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:02,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:02,173 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash -25018099, now seen corresponding path program 62 times [2021-08-12 20:11:02,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:02,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665689908] [2021-08-12 20:11:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:02,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:02,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665689908] [2021-08-12 20:11:02,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665689908] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:02,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869846683] [2021-08-12 20:11:02,212 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 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:02,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:11:02,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:02,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-12 20:11:02,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:02,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869846683] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:02,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:02,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2021-08-12 20:11:02,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010107255] [2021-08-12 20:11:02,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-08-12 20:11:02,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:02,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-12 20:11:02,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-08-12 20:11:02,372 INFO L87 Difference]: Start difference. First operand 155 states and 259 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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) [2021-08-12 20:11:02,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:02,696 INFO L93 Difference]: Finished difference Result 201 states and 320 transitions. [2021-08-12 20:11:02,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 20:11:02,696 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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) Word has length 21 [2021-08-12 20:11:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:02,697 INFO L225 Difference]: With dead ends: 201 [2021-08-12 20:11:02,697 INFO L226 Difference]: Without dead ends: 186 [2021-08-12 20:11:02,697 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 242.2ms TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2021-08-12 20:11:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-08-12 20:11:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 155. [2021-08-12 20:11:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.6818181818181819) internal successors, (259), 154 states have internal predecessors, (259), 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) [2021-08-12 20:11:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 259 transitions. [2021-08-12 20:11:02,716 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 259 transitions. Word has length 21 [2021-08-12 20:11:02,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:02,716 INFO L482 AbstractCegarLoop]: Abstraction has 155 states and 259 transitions. [2021-08-12 20:11:02,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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) [2021-08-12 20:11:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 259 transitions. [2021-08-12 20:11:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-12 20:11:02,716 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:02,716 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:02,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable93 [2021-08-12 20:11:02,917 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:02,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:02,917 INFO L82 PathProgramCache]: Analyzing trace with hash -856436821, now seen corresponding path program 63 times [2021-08-12 20:11:02,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:02,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685087657] [2021-08-12 20:11:02,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:02,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:02,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685087657] [2021-08-12 20:11:02,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685087657] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:02,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094309025] [2021-08-12 20:11:02,947 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 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:02,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:11:02,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:02,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:02,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 20:11:03,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094309025] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:03,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:03,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2021-08-12 20:11:03,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602281999] [2021-08-12 20:11:03,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-08-12 20:11:03,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:03,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-12 20:11:03,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-08-12 20:11:03,104 INFO L87 Difference]: Start difference. First operand 155 states and 259 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 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) [2021-08-12 20:11:03,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:03,726 INFO L93 Difference]: Finished difference Result 215 states and 348 transitions. [2021-08-12 20:11:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-12 20:11:03,726 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 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 21 [2021-08-12 20:11:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:03,727 INFO L225 Difference]: With dead ends: 215 [2021-08-12 20:11:03,727 INFO L226 Difference]: Without dead ends: 187 [2021-08-12 20:11:03,727 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 453.7ms TimeCoverageRelationStatistics Valid=368, Invalid=1272, Unknown=0, NotChecked=0, Total=1640 [2021-08-12 20:11:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-08-12 20:11:03,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 145. [2021-08-12 20:11:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.6875) internal successors, (243), 144 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:11:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 243 transitions. [2021-08-12 20:11:03,744 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 243 transitions. Word has length 21 [2021-08-12 20:11:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:03,744 INFO L482 AbstractCegarLoop]: Abstraction has 145 states and 243 transitions. [2021-08-12 20:11:03,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 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) [2021-08-12 20:11:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 243 transitions. [2021-08-12 20:11:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:03,745 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:03,745 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:03,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:03,945 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:03,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1784149655, now seen corresponding path program 64 times [2021-08-12 20:11:03,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:03,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077953695] [2021-08-12 20:11:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:04,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:04,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077953695] [2021-08-12 20:11:04,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077953695] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:04,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819505550] [2021-08-12 20:11:04,061 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:04,095 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:11:04,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:04,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-12 20:11:04,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:04,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819505550] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:04,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:04,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-08-12 20:11:04,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983807747] [2021-08-12 20:11:04,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 20:11:04,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:04,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 20:11:04,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:11:04,303 INFO L87 Difference]: Start difference. First operand 145 states and 243 transitions. Second operand has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 22 states have internal predecessors, (39), 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) [2021-08-12 20:11:04,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:04,798 INFO L93 Difference]: Finished difference Result 259 states and 421 transitions. [2021-08-12 20:11:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 20:11:04,798 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 22 states have internal predecessors, (39), 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 [2021-08-12 20:11:04,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:04,799 INFO L225 Difference]: With dead ends: 259 [2021-08-12 20:11:04,799 INFO L226 Difference]: Without dead ends: 218 [2021-08-12 20:11:04,800 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 498.9ms TimeCoverageRelationStatistics Valid=271, Invalid=1135, Unknown=0, NotChecked=0, Total=1406 [2021-08-12 20:11:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-08-12 20:11:04,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 167. [2021-08-12 20:11:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.6686746987951808) internal successors, (277), 166 states have internal predecessors, (277), 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) [2021-08-12 20:11:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 277 transitions. [2021-08-12 20:11:04,822 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 277 transitions. Word has length 23 [2021-08-12 20:11:04,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:04,822 INFO L482 AbstractCegarLoop]: Abstraction has 167 states and 277 transitions. [2021-08-12 20:11:04,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 22 states have internal predecessors, (39), 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) [2021-08-12 20:11:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 277 transitions. [2021-08-12 20:11:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:04,822 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:04,822 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:05,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:05,023 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:05,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:05,023 INFO L82 PathProgramCache]: Analyzing trace with hash 2003485607, now seen corresponding path program 65 times [2021-08-12 20:11:05,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:05,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730027848] [2021-08-12 20:11:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:05,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:05,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730027848] [2021-08-12 20:11:05,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730027848] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:05,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871957544] [2021-08-12 20:11:05,124 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 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:05,144 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 20:11:05,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:05,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:05,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 20:11:05,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871957544] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:05,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:05,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2021-08-12 20:11:05,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996050782] [2021-08-12 20:11:05,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 20:11:05,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:05,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 20:11:05,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2021-08-12 20:11:05,304 INFO L87 Difference]: Start difference. First operand 167 states and 277 transitions. Second operand has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2021-08-12 20:11:05,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:05,813 INFO L93 Difference]: Finished difference Result 208 states and 332 transitions. [2021-08-12 20:11:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 20:11:05,814 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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 [2021-08-12 20:11:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:05,814 INFO L225 Difference]: With dead ends: 208 [2021-08-12 20:11:05,814 INFO L226 Difference]: Without dead ends: 193 [2021-08-12 20:11:05,815 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 460.9ms TimeCoverageRelationStatistics Valid=298, Invalid=1034, Unknown=0, NotChecked=0, Total=1332 [2021-08-12 20:11:05,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-08-12 20:11:05,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 142. [2021-08-12 20:11:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.6312056737588652) internal successors, (230), 141 states have internal predecessors, (230), 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) [2021-08-12 20:11:05,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 230 transitions. [2021-08-12 20:11:05,833 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 230 transitions. Word has length 23 [2021-08-12 20:11:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:05,833 INFO L482 AbstractCegarLoop]: Abstraction has 142 states and 230 transitions. [2021-08-12 20:11:05,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2021-08-12 20:11:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 230 transitions. [2021-08-12 20:11:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:05,833 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:05,833 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:06,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-08-12 20:11:06,034 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:06,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:06,034 INFO L82 PathProgramCache]: Analyzing trace with hash 677219321, now seen corresponding path program 66 times [2021-08-12 20:11:06,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:06,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426975955] [2021-08-12 20:11:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:06,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:06,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426975955] [2021-08-12 20:11:06,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426975955] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:06,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463094027] [2021-08-12 20:11:06,144 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 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:06,168 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 20:11:06,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:06,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:11:06,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:06,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463094027] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:06,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:06,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-08-12 20:11:06,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452249523] [2021-08-12 20:11:06,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 20:11:06,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:06,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 20:11:06,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:11:06,374 INFO L87 Difference]: Start difference. First operand 142 states and 230 transitions. Second operand has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-08-12 20:11:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:06,862 INFO L93 Difference]: Finished difference Result 184 states and 288 transitions. [2021-08-12 20:11:06,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-12 20:11:06,862 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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 [2021-08-12 20:11:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:06,863 INFO L225 Difference]: With dead ends: 184 [2021-08-12 20:11:06,863 INFO L226 Difference]: Without dead ends: 158 [2021-08-12 20:11:06,863 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 527.5ms TimeCoverageRelationStatistics Valid=387, Invalid=1253, Unknown=0, NotChecked=0, Total=1640 [2021-08-12 20:11:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-08-12 20:11:06,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 117. [2021-08-12 20:11:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 116 states have internal predecessors, (187), 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) [2021-08-12 20:11:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 187 transitions. [2021-08-12 20:11:06,878 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 187 transitions. Word has length 23 [2021-08-12 20:11:06,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:06,878 INFO L482 AbstractCegarLoop]: Abstraction has 117 states and 187 transitions. [2021-08-12 20:11:06,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-08-12 20:11:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2021-08-12 20:11:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:06,878 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:06,878 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:07,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:07,079 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:07,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1752930477, now seen corresponding path program 67 times [2021-08-12 20:11:07,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:07,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531539562] [2021-08-12 20:11:07,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:07,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:07,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531539562] [2021-08-12 20:11:07,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531539562] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:07,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144878459] [2021-08-12 20:11:07,188 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 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:07,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:11:07,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:07,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144878459] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:07,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:07,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-08-12 20:11:07,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275834015] [2021-08-12 20:11:07,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 20:11:07,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:07,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 20:11:07,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:11:07,483 INFO L87 Difference]: Start difference. First operand 117 states and 187 transitions. Second operand has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-08-12 20:11:07,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:07,921 INFO L93 Difference]: Finished difference Result 149 states and 232 transitions. [2021-08-12 20:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-12 20:11:07,921 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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 [2021-08-12 20:11:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:07,922 INFO L225 Difference]: With dead ends: 149 [2021-08-12 20:11:07,922 INFO L226 Difference]: Without dead ends: 92 [2021-08-12 20:11:07,922 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 523.9ms TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2021-08-12 20:11:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-08-12 20:11:07,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2021-08-12 20:11:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.5119047619047619) internal successors, (127), 84 states have internal predecessors, (127), 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) [2021-08-12 20:11:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2021-08-12 20:11:07,932 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 23 [2021-08-12 20:11:07,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:07,932 INFO L482 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2021-08-12 20:11:07,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-08-12 20:11:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2021-08-12 20:11:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:07,933 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:07,933 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:08,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-08-12 20:11:08,155 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:08,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:08,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1920453071, now seen corresponding path program 68 times [2021-08-12 20:11:08,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:08,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897847535] [2021-08-12 20:11:08,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:08,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:08,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897847535] [2021-08-12 20:11:08,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897847535] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:08,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943964471] [2021-08-12 20:11:08,275 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 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:08,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 20:11:08,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:08,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-12 20:11:08,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:08,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943964471] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:08,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:08,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-08-12 20:11:08,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108423773] [2021-08-12 20:11:08,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-08-12 20:11:08,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:08,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-12 20:11:08,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2021-08-12 20:11:08,567 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 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) [2021-08-12 20:11:09,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:09,001 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-08-12 20:11:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-12 20:11:09,002 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 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 [2021-08-12 20:11:09,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:09,002 INFO L225 Difference]: With dead ends: 119 [2021-08-12 20:11:09,002 INFO L226 Difference]: Without dead ends: 99 [2021-08-12 20:11:09,002 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 533.8ms TimeCoverageRelationStatistics Valid=290, Invalid=1042, Unknown=0, NotChecked=0, Total=1332 [2021-08-12 20:11:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-08-12 20:11:09,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 85. [2021-08-12 20:11:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4880952380952381) internal successors, (125), 84 states have internal predecessors, (125), 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) [2021-08-12 20:11:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 125 transitions. [2021-08-12 20:11:09,014 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 125 transitions. Word has length 23 [2021-08-12 20:11:09,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:09,014 INFO L482 AbstractCegarLoop]: Abstraction has 85 states and 125 transitions. [2021-08-12 20:11:09,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 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) [2021-08-12 20:11:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2021-08-12 20:11:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:09,014 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:09,014 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:09,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-08-12 20:11:09,215 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:09,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:09,215 INFO L82 PathProgramCache]: Analyzing trace with hash 827116973, now seen corresponding path program 69 times [2021-08-12 20:11:09,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:09,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519853368] [2021-08-12 20:11:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:09,360 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:09,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519853368] [2021-08-12 20:11:09,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519853368] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:09,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872303692] [2021-08-12 20:11:09,361 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 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:09,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 20:11:09,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:09,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:09,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 20:11:09,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872303692] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:09,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:09,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2021-08-12 20:11:09,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122282385] [2021-08-12 20:11:09,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-08-12 20:11:09,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:09,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-12 20:11:09,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2021-08-12 20:11:09,583 INFO L87 Difference]: Start difference. First operand 85 states and 125 transitions. Second operand has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 20 states have internal predecessors, (37), 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) [2021-08-12 20:11:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:09,995 INFO L93 Difference]: Finished difference Result 113 states and 163 transitions. [2021-08-12 20:11:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 20:11:09,995 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 20 states have internal predecessors, (37), 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 [2021-08-12 20:11:09,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:09,996 INFO L225 Difference]: With dead ends: 113 [2021-08-12 20:11:09,996 INFO L226 Difference]: Without dead ends: 91 [2021-08-12 20:11:09,996 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 505.8ms TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2021-08-12 20:11:09,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-12 20:11:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 72. [2021-08-12 20:11:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4788732394366197) internal successors, (105), 71 states have internal predecessors, (105), 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) [2021-08-12 20:11:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2021-08-12 20:11:10,005 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 23 [2021-08-12 20:11:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:10,005 INFO L482 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2021-08-12 20:11:10,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 20 states have internal predecessors, (37), 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) [2021-08-12 20:11:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-08-12 20:11:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:10,005 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:10,005 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:10,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-08-12 20:11:10,206 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:10,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:10,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1790978285, now seen corresponding path program 70 times [2021-08-12 20:11:10,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:10,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945041375] [2021-08-12 20:11:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:10,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:10,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945041375] [2021-08-12 20:11:10,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945041375] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:10,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246951128] [2021-08-12 20:11:10,321 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 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:10,341 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 20:11:10,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:10,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-12 20:11:10,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:10,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246951128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:10,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 20:11:10,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-08-12 20:11:10,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461739462] [2021-08-12 20:11:10,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-08-12 20:11:10,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:10,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-12 20:11:10,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:11:10,530 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 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) [2021-08-12 20:11:11,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:11,129 INFO L93 Difference]: Finished difference Result 143 states and 203 transitions. [2021-08-12 20:11:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-12 20:11:11,129 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 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 [2021-08-12 20:11:11,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:11,130 INFO L225 Difference]: With dead ends: 143 [2021-08-12 20:11:11,130 INFO L226 Difference]: Without dead ends: 109 [2021-08-12 20:11:11,130 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 613.9ms TimeCoverageRelationStatistics Valid=431, Invalid=1639, Unknown=0, NotChecked=0, Total=2070 [2021-08-12 20:11:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-08-12 20:11:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2021-08-12 20:11:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 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) [2021-08-12 20:11:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2021-08-12 20:11:11,140 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 23 [2021-08-12 20:11:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:11,140 INFO L482 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2021-08-12 20:11:11,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 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) [2021-08-12 20:11:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2021-08-12 20:11:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-12 20:11:11,141 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:11,141 INFO L550 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:11,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:11,361 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:11,361 INFO L82 PathProgramCache]: Analyzing trace with hash -266912117, now seen corresponding path program 71 times [2021-08-12 20:11:11,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:11,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093155] [2021-08-12 20:11:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:11,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:11,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093155] [2021-08-12 20:11:11,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093155] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:11,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892873699] [2021-08-12 20:11:11,464 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 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:11,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 20:11:11,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:11,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:11,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 20:11:11,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892873699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:11:11,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:11:11,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 20 [2021-08-12 20:11:11,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111197458] [2021-08-12 20:11:11,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:11:11,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:11,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:11:11,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2021-08-12 20:11:11,680 INFO L87 Difference]: Start difference. First operand 81 states and 118 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) [2021-08-12 20:11:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:11,792 INFO L93 Difference]: Finished difference Result 90 states and 128 transitions. [2021-08-12 20:11:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 20:11:11,792 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) Word has length 23 [2021-08-12 20:11:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:11,793 INFO L225 Difference]: With dead ends: 90 [2021-08-12 20:11:11,793 INFO L226 Difference]: Without dead ends: 40 [2021-08-12 20:11:11,793 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 257.9ms TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:11:11,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-08-12 20:11:11,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-08-12 20:11:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 39 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 20:11:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2021-08-12 20:11:11,797 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 23 [2021-08-12 20:11:11,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:11,797 INFO L482 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2021-08-12 20:11:11,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) [2021-08-12 20:11:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2021-08-12 20:11:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-12 20:11:11,798 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 20:11:11,798 INFO L550 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 20:11:11,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-08-12 20:11:11,998 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 20:11:11,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 20:11:11,998 INFO L82 PathProgramCache]: Analyzing trace with hash 516021093, now seen corresponding path program 72 times [2021-08-12 20:11:11,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 20:11:11,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100586512] [2021-08-12 20:11:11,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 20:11:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 20:11:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 20:11:12,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 20:11:12,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100586512] [2021-08-12 20:11:12,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100586512] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 20:11:12,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845312197] [2021-08-12 20:11:12,146 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 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 20:11:12,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-12 20:11:12,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 20:11:12,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 20:11:12,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 20:11:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-12 20:11:12,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845312197] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 20:11:12,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-12 20:11:12,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 22 [2021-08-12 20:11:12,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287849403] [2021-08-12 20:11:12,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 20:11:12,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 20:11:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 20:11:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:11:12,377 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) [2021-08-12 20:11:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 20:11:12,429 INFO L93 Difference]: Finished difference Result 40 states and 54 transitions. [2021-08-12 20:11:12,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 20:11:12,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) Word has length 27 [2021-08-12 20:11:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 20:11:12,430 INFO L225 Difference]: With dead ends: 40 [2021-08-12 20:11:12,430 INFO L226 Difference]: Without dead ends: 0 [2021-08-12 20:11:12,431 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 282.3ms TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2021-08-12 20:11:12,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-12 20:11:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-12 20:11:12,431 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) [2021-08-12 20:11:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-12 20:11:12,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-12 20:11:12,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 20:11:12,431 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-12 20:11:12,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 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) [2021-08-12 20:11:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-12 20:11:12,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-12 20:11:12,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-08-12 20:11:12,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-12 20:11:17,562 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 1141 DAG size of output: 749 [2021-08-12 20:11:24,233 WARN L205 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 1593 DAG size of output: 994 [2021-08-12 20:11:27,607 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 755 DAG size of output: 486 [2021-08-12 20:11:34,880 WARN L205 SmtUtils]: Spent 7.27 s on a formula simplification. DAG size of input: 1568 DAG size of output: 988 [2021-08-12 20:11:39,903 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 1060 DAG size of output: 655 [2021-08-12 20:11:46,439 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 1475 DAG size of output: 1021 [2021-08-12 20:11:52,713 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 1158 DAG size of output: 607 [2021-08-12 20:11:54,298 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 499 DAG size of output: 311 [2021-08-12 20:11:56,253 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 547 DAG size of output: 290 [2021-08-12 20:11:56,706 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 158 [2021-08-12 20:11:56,946 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 106 [2021-08-12 20:11:57,283 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-08-12 20:11:57,638 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 108 [2021-08-12 20:11:58,096 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 158 [2021-08-12 20:11:58,340 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 106 [2021-08-12 20:11:58,655 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-08-12 20:11:59,016 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 108 [2021-08-12 20:11:59,427 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 108 [2021-08-12 20:12:03,347 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 641 DAG size of output: 30 [2021-08-12 20:12:03,481 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 16 [2021-08-12 20:12:08,987 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 826 DAG size of output: 25 [2021-08-12 20:12:12,329 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 455 DAG size of output: 27 [2021-08-12 20:12:18,336 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 843 DAG size of output: 25 [2021-08-12 20:12:23,555 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 555 DAG size of output: 18 [2021-08-12 20:12:31,494 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 895 DAG size of output: 16 [2021-08-12 20:12:36,131 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 488 DAG size of output: 17 [2021-08-12 20:12:36,868 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 18 [2021-08-12 20:12:38,301 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 252 DAG size of output: 16 [2021-08-12 20:12:38,444 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2021-08-12 20:12:39,428 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2021-08-12 20:12:39,758 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 15 [2021-08-12 20:12:40,290 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-08-12 20:12:40,602 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 8 [2021-08-12 20:12:40,744 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2021-08-12 20:12:41,723 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2021-08-12 20:12:42,009 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 15 [2021-08-12 20:12:42,564 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-08-12 20:12:42,875 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 8 [2021-08-12 20:12:43,016 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2021-08-12 20:12:43,457 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 8 [2021-08-12 20:12:43,525 INFO L1281 BasicCegarLoop]: Computed Owicki-Gries annotation of size 11621 in 90866552524ns [2021-08-12 20:12:43,527 INFO L113 kiGriesValidityCheck]: 8#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) v_np7_1 (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y))) [2021-08-12 20:12:43,527 INFO L113 kiGriesValidityCheck]: 9#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) v_np7_1 (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1 (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np27_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np4_1 (< 19999 Y) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,527 INFO L113 kiGriesValidityCheck]: 26#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) v_np7_1 (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np27_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np4_1 (< 19999 Y) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1 (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,534 INFO L113 kiGriesValidityCheck]: 4#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) v_np3_1 (not v_np0_1) v_np24_1) [2021-08-12 20:12:43,534 INFO L113 kiGriesValidityCheck]: 28#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,537 INFO L113 kiGriesValidityCheck]: 18#false [2021-08-12 20:12:43,538 INFO L113 kiGriesValidityCheck]: 2#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,541 INFO L113 kiGriesValidityCheck]: 18#false [2021-08-12 20:12:43,541 INFO L113 kiGriesValidityCheck]: 2#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,545 INFO L113 kiGriesValidityCheck]: 1#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1)) [2021-08-12 20:12:43,545 INFO L113 kiGriesValidityCheck]: 26#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) v_np7_1 (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np27_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np4_1 (< 19999 Y) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1 (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,550 INFO L113 kiGriesValidityCheck]: 19#(or (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,553 INFO L113 kiGriesValidityCheck]: 19#(or (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,556 INFO L113 kiGriesValidityCheck]: 7#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) [2021-08-12 20:12:43,559 INFO L113 kiGriesValidityCheck]: 6#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,559 INFO L113 kiGriesValidityCheck]: 11#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) [2021-08-12 20:12:43,560 INFO L113 kiGriesValidityCheck]: 28#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (or (and (<= (+ X 1) thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (< thread2Thread1of1ForFork1_x 10001) (= Y 0) (< thread1Thread1of1ForFork0_x 10001)) (and (= X thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10001) (<= (+ X Y 1) thread2Thread1of1ForFork1_x) (= Y 0)) (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001))) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (< 19999 Y) v_np7_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,566 INFO L113 kiGriesValidityCheck]: 17#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np24_1) [2021-08-12 20:12:43,567 INFO L113 kiGriesValidityCheck]: 23#false [2021-08-12 20:12:43,568 INFO L113 kiGriesValidityCheck]: 12#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np22_1) (not v_np23_1) (or (and (<= Y 0) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (< thread2Thread1of1ForFork1_x 10001) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 (+ Y thread1Thread1of1ForFork0_x)) (<= (+ (* 2 X) Y) 20000))) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,571 INFO L113 kiGriesValidityCheck]: 5#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (<= (+ Y thread1Thread1of1ForFork0_x) 20000) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 20000 (+ Y thread1Thread1of1ForFork0_x))) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 v_np6_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (< 19999 Y) (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (<= X thread1Thread1of1ForFork0_x) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np4_1 (< 19999 Y) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,573 INFO L113 kiGriesValidityCheck]: 3#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np4_1 v_np5_1 (not v_np0_1) (<= 10000 Y)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x 9999) (<= X thread2Thread1of1ForFork1_x)) (and (<= Y 0) (<= X thread1Thread1of1ForFork0_x) (<= (+ X 1) thread2Thread1of1ForFork1_x) (<= 0 Y) (<= thread1Thread1of1ForFork0_x 9999) (< thread2Thread1of1ForFork1_x 10001))) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (< Y 10001) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 v_np7_1 (not v_np0_1) (<= 10000 Y))) [2021-08-12 20:12:43,576 INFO L113 kiGriesValidityCheck]: 4#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) v_np3_1 (not v_np0_1) v_np24_1) [2021-08-12 20:12:43,577 INFO L113 kiGriesValidityCheck]: 27#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) (not v_np0_1) v_np24_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) v_np7_1 (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1 (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) v_np3_1 (not v_np0_1) v_np24_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np27_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np4_1 (< 19999 Y) (not v_np0_1) v_np8_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np24_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (or (and (<= (+ thread2Thread1of1ForFork1_x Y) 20000) (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= 10000 thread2Thread1of1ForFork1_x) (<= 10000 Y)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (<= X 9999) (< thread2Thread1of1ForFork1_x 10001) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np0_1) v_np8_1)) [2021-08-12 20:12:43,580 INFO L113 kiGriesValidityCheck]: 1#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1)) [2021-08-12 20:12:43,580 INFO L113 kiGriesValidityCheck]: 25#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) v_np3_1 (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np6_1 v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np5_1) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np24_1 (< thread1Thread1of1ForFork0_x 10001) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np24_1)) [2021-08-12 20:12:43,586 INFO L113 kiGriesValidityCheck]: 13#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= Y 20000) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (< 19999 Y) (not v_np0_1) v_np24_1) [2021-08-12 20:12:43,588 INFO L113 kiGriesValidityCheck]: 10#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x) 20000) (not v_np27_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= 20000 (+ thread2Thread1of1ForFork1_x Y)) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (not v_np7_1) (not v_np3_1) (<= (+ Y thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) 20000) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (<= 20000 (+ thread2Thread1of1ForFork1_x Y thread1Thread1of1ForFork0_x)) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (<= X thread1Thread1of1ForFork0_x) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (<= 0 Y) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) (<= X thread1Thread1of1ForFork0_x) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1))) [2021-08-12 20:12:43,592 INFO L113 kiGriesValidityCheck]: 15#(or (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1 (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= 0 Y) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= X thread2Thread1of1ForFork1_x) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (<= Y 0) (<= 0 Y) (<= thread2Thread1of1ForFork1_x thread1Thread1of1ForFork0_x) (< thread2Thread1of1ForFork1_x 10000) (< thread1Thread1of1ForFork0_x 10001) (<= X thread2Thread1of1ForFork1_x)) (and (<= (+ X Y) thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x thread2Thread1of1ForFork1_x) (= Y 0) (< thread2Thread1of1ForFork1_x 10000))) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) (<= thread2Thread1of1ForFork1_x 9999) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np15_1) (< Y 10001) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (<= 10000 Y) (<= X thread2Thread1of1ForFork1_x))) [2021-08-12 20:12:43,596 INFO L113 kiGriesValidityCheck]: 24#(or (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (< thread2Thread1of1ForFork1_x 10000) (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= X thread2Thread1of1ForFork1_x)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 v_np5_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np23_1 v_np24_1 v_np0_1) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 v_np9_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np8_1) (<= 0 Y) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1 (<= (+ X Y thread2Thread1of1ForFork1_x) 20000)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (< thread2Thread1of1ForFork1_x 10001) (not v_np3_1) (not v_np9_1) (<= (+ X Y) 20000) (not v_np8_1) (<= 10000 thread2Thread1of1ForFork1_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (< Y 10001) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np7_1 (not v_np0_1) v_np23_1 (<= 10000 Y)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1)) [2021-08-12 20:12:43,600 INFO L113 kiGriesValidityCheck]: 16#(or (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (<= (+ X Y thread1Thread1of1ForFork0_x) 20000) (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (<= 10000 thread1Thread1of1ForFork0_x) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np8_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (or (and (<= X thread1Thread1of1ForFork0_x) (<= thread1Thread1of1ForFork0_x X) (<= (+ X Y) 20000) (<= 10000 Y) (<= 10000 X)) (and (<= 10000 thread1Thread1of1ForFork0_x) (< Y 10001) (< X 10000) (<= 10000 Y))) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np5_1 v_np6_1 (not v_np0_1)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (= Y 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) v_np5_1 (not v_np0_1) (< thread1Thread1of1ForFork0_x 10001)) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (<= Y 0) (not v_np3_1) (not v_np9_1) (<= 0 Y) (not v_np8_1) (<= (+ X Y) thread1Thread1of1ForFork0_x) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= thread1Thread1of1ForFork0_x 9999) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) v_np5_1 (not v_np0_1)) (and (not v_np22_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (= Y 0) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (<= (+ (* 2 X) Y) 20000) (not v_np19_1) (not v_np26_1) v_np5_1 (not v_np0_1) v_np23_1)) [2021-08-12 20:12:44,095 INFO L1287 BasicCegarLoop]: Checked inductivity and non-interference of Owicki-Gries annotation in 573726638ns [2021-08-12 20:12:44,097 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 20:12:44,100 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 08:12:44 BasicIcfg [2021-08-12 20:12:44,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 20:12:44,100 INFO L168 Benchmark]: Toolchain (without parser) took 167805.88 ms. Allocated memory was 215.0 MB in the beginning and 1.0 GB in the end (delta: 793.8 MB). Free memory was 195.7 MB in the beginning and 694.9 MB in the end (delta: -499.2 MB). Peak memory consumption was 295.7 MB. Max. memory is 8.0 GB. [2021-08-12 20:12:44,100 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 215.0 MB. Free memory is still 196.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 20:12:44,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.74 ms. Allocated memory is still 215.0 MB. Free memory was 195.7 MB in the beginning and 194.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 20:12:44,100 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 215.0 MB. Free memory was 194.2 MB in the beginning and 193.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 20:12:44,100 INFO L168 Benchmark]: RCFGBuilder took 242.19 ms. Allocated memory is still 215.0 MB. Free memory was 193.2 MB in the beginning and 183.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-12 20:12:44,101 INFO L168 Benchmark]: TraceAbstraction took 167516.17 ms. Allocated memory was 215.0 MB in the beginning and 1.0 GB in the end (delta: 793.8 MB). Free memory was 182.6 MB in the beginning and 694.9 MB in the end (delta: -512.3 MB). Peak memory consumption was 283.1 MB. Max. memory is 8.0 GB. [2021-08-12 20:12:44,101 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 215.0 MB. Free memory is still 196.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.74 ms. Allocated memory is still 215.0 MB. Free memory was 195.7 MB in the beginning and 194.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 215.0 MB. Free memory was 194.2 MB in the beginning and 193.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 242.19 ms. Allocated memory is still 215.0 MB. Free memory was 193.2 MB in the beginning and 183.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 167516.17 ms. Allocated memory was 215.0 MB in the beginning and 1.0 GB in the end (delta: 793.8 MB). Free memory was 182.6 MB in the beginning and 694.9 MB in the end (delta: -512.3 MB). Peak memory consumption was 283.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75974.7ms, OverallIterations: 104, TraceHistogramMax: 3, EmptinessCheckTime: 54.8ms, AutomataDifference: 34560.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2410 SDtfs, 4575 SDslu, 12883 SDs, 0 SdLazy, 27911 SolverSat, 1624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11083.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3278 GetRequests, 837 SyntacticMatches, 142 SemanticMatches, 2299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12401 ImplicationChecksByTransitivity, 27975.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=78, InterpolantAutomatonStates: 1578, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2329.1ms AutomataMinimizationTime, 104 MinimizatonAttempts, 4705 StatesRemovedByMinimization, 100 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 160.5ms SsaConstructionTime, 533.9ms SatisfiabilityAnalysisTime, 20748.8ms InterpolantComputationTime, 3387 NumberOfCodeBlocks, 3387 NumberOfCodeBlocksAsserted, 259 NumberOfCheckSat, 3208 ConstructedInterpolants, 0 QuantifiedInterpolants, 26694 SizeOfPredicates, 270 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 1021 ConjunctsInUnsatCore, 179 InterpolantComputations, 39 PerfectInterpolantSequences, 107/455 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...