/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:14:53,523 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 05:14:53,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:14:53,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:14:53,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:14:53,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:14:53,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:14:53,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:14:53,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:14:53,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:14:53,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:14:53,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:14:53,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:14:53,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:14:53,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 05:14:53,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:14:53,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:14:53,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:14:53,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 05:14:53,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:14:53,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:14:53,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:14:53,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:14:53,693 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:14:53,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:14:53,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:14:53,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:14:53,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:14:53,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:14:53,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:14:53,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:14:53,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:14:53,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:14:53,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:14:53,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:14:53,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:14:53,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:14:53,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:14:53,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:14:53,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:14:53,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:14:53,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:14:53,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:14:53,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:14:53,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:14:53,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:14:53,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:14:53,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:14:53,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 05:14:53,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:14:54,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:14:54,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:14:54,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:14:54,025 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:14:54,026 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-19 05:14:54,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45eaf3659/bfd83c4b020542a7bcf46678cc942f18/FLAG9c43ec990 [2020-08-19 05:14:54,680 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:14:54,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-08-19 05:14:54,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45eaf3659/bfd83c4b020542a7bcf46678cc942f18/FLAG9c43ec990 [2020-08-19 05:14:54,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45eaf3659/bfd83c4b020542a7bcf46678cc942f18 [2020-08-19 05:14:54,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:14:54,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:14:54,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:14:54,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:14:54,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:14:54,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:14:54" (1/1) ... [2020-08-19 05:14:54,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24306fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:54, skipping insertion in model container [2020-08-19 05:14:54,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:14:54" (1/1) ... [2020-08-19 05:14:54,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:14:55,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:14:55,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:14:55,522 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:14:55,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:14:55,685 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:14:55,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55 WrapperNode [2020-08-19 05:14:55,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:14:55,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:14:55,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:14:55,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:14:55,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... [2020-08-19 05:14:55,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:14:55,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:14:55,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:14:55,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:14:55,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-19 05:14:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:14:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:14:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 05:14:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:14:55,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:14:55,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:14:57,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:14:57,109 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 05:14:57,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:14:57 BoogieIcfgContainer [2020-08-19 05:14:57,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:14:57,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:14:57,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:14:57,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:14:57,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:14:54" (1/3) ... [2020-08-19 05:14:57,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a550522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:14:57, skipping insertion in model container [2020-08-19 05:14:57,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:14:55" (2/3) ... [2020-08-19 05:14:57,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a550522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:14:57, skipping insertion in model container [2020-08-19 05:14:57,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:14:57" (3/3) ... [2020-08-19 05:14:57,134 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-08-19 05:14:57,145 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:14:57,160 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:14:57,175 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:14:57,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:14:57,212 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:14:57,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:14:57,213 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:14:57,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:14:57,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:14:57,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:14:57,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:14:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-19 05:14:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-08-19 05:14:57,251 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:14:57,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:14:57,253 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:14:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:14:57,258 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2020-08-19 05:14:57,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:14:57,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246991048] [2020-08-19 05:14:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:14:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:14:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:14:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:14:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:14:57,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246991048] [2020-08-19 05:14:57,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:14:57,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 05:14:57,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061287741] [2020-08-19 05:14:57,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:14:57,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:14:57,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:14:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:14:57,874 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-19 05:15:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:00,190 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-08-19 05:15:00,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 05:15:00,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-08-19 05:15:00,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:00,212 INFO L225 Difference]: With dead ends: 784 [2020-08-19 05:15:00,212 INFO L226 Difference]: Without dead ends: 480 [2020-08-19 05:15:00,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:15:00,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-08-19 05:15:00,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-08-19 05:15:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-08-19 05:15:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-08-19 05:15:00,312 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 104 [2020-08-19 05:15:00,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:00,314 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-08-19 05:15:00,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:15:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-08-19 05:15:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-19 05:15:00,331 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:00,332 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:00,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:15:00,332 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:00,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:00,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1136546274, now seen corresponding path program 1 times [2020-08-19 05:15:00,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:00,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054201447] [2020-08-19 05:15:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 05:15:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:15:00,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054201447] [2020-08-19 05:15:00,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:00,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 05:15:00,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021372847] [2020-08-19 05:15:00,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 05:15:00,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:00,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 05:15:00,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:15:00,614 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 9 states. [2020-08-19 05:15:03,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:03,035 INFO L93 Difference]: Finished difference Result 1392 states and 1936 transitions. [2020-08-19 05:15:03,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 05:15:03,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-08-19 05:15:03,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:03,048 INFO L225 Difference]: With dead ends: 1392 [2020-08-19 05:15:03,048 INFO L226 Difference]: Without dead ends: 925 [2020-08-19 05:15:03,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:15:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-08-19 05:15:03,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 767. [2020-08-19 05:15:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-08-19 05:15:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 972 transitions. [2020-08-19 05:15:03,155 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 972 transitions. Word has length 121 [2020-08-19 05:15:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:03,157 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 972 transitions. [2020-08-19 05:15:03,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 05:15:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 972 transitions. [2020-08-19 05:15:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-19 05:15:03,170 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:03,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:03,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:15:03,173 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:03,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1938417574, now seen corresponding path program 1 times [2020-08-19 05:15:03,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:03,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861222750] [2020-08-19 05:15:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:03,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-19 05:15:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:15:03,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861222750] [2020-08-19 05:15:03,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:03,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:15:03,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907530096] [2020-08-19 05:15:03,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:15:03,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:03,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:15:03,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:15:03,454 INFO L87 Difference]: Start difference. First operand 767 states and 972 transitions. Second operand 8 states. [2020-08-19 05:15:05,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:05,914 INFO L93 Difference]: Finished difference Result 2047 states and 2829 transitions. [2020-08-19 05:15:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 05:15:05,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-08-19 05:15:05,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:05,931 INFO L225 Difference]: With dead ends: 2047 [2020-08-19 05:15:05,931 INFO L226 Difference]: Without dead ends: 1286 [2020-08-19 05:15:05,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-19 05:15:05,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-08-19 05:15:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1245. [2020-08-19 05:15:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-08-19 05:15:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1559 transitions. [2020-08-19 05:15:06,016 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1559 transitions. Word has length 125 [2020-08-19 05:15:06,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:06,016 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1559 transitions. [2020-08-19 05:15:06,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:15:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1559 transitions. [2020-08-19 05:15:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-19 05:15:06,021 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:06,022 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:06,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:15:06,022 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:06,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1584729076, now seen corresponding path program 1 times [2020-08-19 05:15:06,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:06,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174379623] [2020-08-19 05:15:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:06,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-19 05:15:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:15:06,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174379623] [2020-08-19 05:15:06,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:06,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:15:06,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685022124] [2020-08-19 05:15:06,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:15:06,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:15:06,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:15:06,227 INFO L87 Difference]: Start difference. First operand 1245 states and 1559 transitions. Second operand 7 states. [2020-08-19 05:15:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:08,411 INFO L93 Difference]: Finished difference Result 4321 states and 5977 transitions. [2020-08-19 05:15:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 05:15:08,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-08-19 05:15:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:08,431 INFO L225 Difference]: With dead ends: 4321 [2020-08-19 05:15:08,431 INFO L226 Difference]: Without dead ends: 2938 [2020-08-19 05:15:08,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:15:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2020-08-19 05:15:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2616. [2020-08-19 05:15:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-08-19 05:15:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3374 transitions. [2020-08-19 05:15:08,535 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3374 transitions. Word has length 133 [2020-08-19 05:15:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:08,536 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 3374 transitions. [2020-08-19 05:15:08,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:15:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3374 transitions. [2020-08-19 05:15:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-08-19 05:15:08,548 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:08,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:08,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:15:08,549 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:08,549 INFO L82 PathProgramCache]: Analyzing trace with hash -101882562, now seen corresponding path program 1 times [2020-08-19 05:15:08,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:08,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651794640] [2020-08-19 05:15:08,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 05:15:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-19 05:15:08,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651794640] [2020-08-19 05:15:08,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:15:08,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 05:15:08,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546196566] [2020-08-19 05:15:08,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:15:08,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:08,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:15:08,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:15:08,740 INFO L87 Difference]: Start difference. First operand 2616 states and 3374 transitions. Second operand 5 states. [2020-08-19 05:15:10,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:10,182 INFO L93 Difference]: Finished difference Result 6252 states and 8223 transitions. [2020-08-19 05:15:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:15:10,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-08-19 05:15:10,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:10,213 INFO L225 Difference]: With dead ends: 6252 [2020-08-19 05:15:10,213 INFO L226 Difference]: Without dead ends: 3786 [2020-08-19 05:15:10,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:15:10,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2020-08-19 05:15:10,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 2902. [2020-08-19 05:15:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2902 states. [2020-08-19 05:15:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 3821 transitions. [2020-08-19 05:15:10,393 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 3821 transitions. Word has length 184 [2020-08-19 05:15:10,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:10,394 INFO L479 AbstractCegarLoop]: Abstraction has 2902 states and 3821 transitions. [2020-08-19 05:15:10,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:15:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3821 transitions. [2020-08-19 05:15:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-08-19 05:15:10,409 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:10,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:10,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:15:10,410 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:10,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:10,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1769483848, now seen corresponding path program 1 times [2020-08-19 05:15:10,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:10,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673432345] [2020-08-19 05:15:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-19 05:15:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:15:10,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673432345] [2020-08-19 05:15:10,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:10,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 05:15:10,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844679351] [2020-08-19 05:15:10,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 05:15:10,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:10,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 05:15:10,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:15:10,894 INFO L87 Difference]: Start difference. First operand 2902 states and 3821 transitions. Second operand 11 states. [2020-08-19 05:15:11,228 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2020-08-19 05:15:11,840 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-08-19 05:15:12,144 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-08-19 05:15:12,404 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-08-19 05:15:12,568 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-19 05:15:13,404 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-08-19 05:15:14,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:14,447 INFO L93 Difference]: Finished difference Result 5811 states and 7675 transitions. [2020-08-19 05:15:14,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 05:15:14,447 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2020-08-19 05:15:14,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:14,467 INFO L225 Difference]: With dead ends: 5811 [2020-08-19 05:15:14,467 INFO L226 Difference]: Without dead ends: 3059 [2020-08-19 05:15:14,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=245, Invalid=685, Unknown=0, NotChecked=0, Total=930 [2020-08-19 05:15:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2020-08-19 05:15:14,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 2901. [2020-08-19 05:15:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2901 states. [2020-08-19 05:15:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3758 transitions. [2020-08-19 05:15:14,652 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3758 transitions. Word has length 185 [2020-08-19 05:15:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:14,653 INFO L479 AbstractCegarLoop]: Abstraction has 2901 states and 3758 transitions. [2020-08-19 05:15:14,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 05:15:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3758 transitions. [2020-08-19 05:15:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-19 05:15:14,669 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:14,670 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:14,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 05:15:14,670 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash 941817515, now seen corresponding path program 1 times [2020-08-19 05:15:14,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:14,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849256388] [2020-08-19 05:15:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:14,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 05:15:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:15:14,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849256388] [2020-08-19 05:15:14,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:14,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:15:14,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459317333] [2020-08-19 05:15:14,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:15:14,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:14,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:15:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:15:14,948 INFO L87 Difference]: Start difference. First operand 2901 states and 3758 transitions. Second operand 7 states. [2020-08-19 05:15:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:16,950 INFO L93 Difference]: Finished difference Result 6209 states and 7806 transitions. [2020-08-19 05:15:16,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 05:15:16,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-19 05:15:16,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:16,960 INFO L225 Difference]: With dead ends: 6209 [2020-08-19 05:15:16,960 INFO L226 Difference]: Without dead ends: 1798 [2020-08-19 05:15:16,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:15:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2020-08-19 05:15:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1794. [2020-08-19 05:15:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-08-19 05:15:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 1992 transitions. [2020-08-19 05:15:17,021 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 1992 transitions. Word has length 195 [2020-08-19 05:15:17,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:17,021 INFO L479 AbstractCegarLoop]: Abstraction has 1794 states and 1992 transitions. [2020-08-19 05:15:17,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:15:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 1992 transitions. [2020-08-19 05:15:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-19 05:15:17,030 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:17,031 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:17,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 05:15:17,031 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:17,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1480861463, now seen corresponding path program 1 times [2020-08-19 05:15:17,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:17,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285225469] [2020-08-19 05:15:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:17,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 05:15:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 05:15:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 153 proven. 38 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-08-19 05:15:17,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285225469] [2020-08-19 05:15:17,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:17,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:15:17,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543564857] [2020-08-19 05:15:17,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:15:17,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:17,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:15:17,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:15:17,404 INFO L87 Difference]: Start difference. First operand 1794 states and 1992 transitions. Second operand 10 states. [2020-08-19 05:15:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:19,140 INFO L93 Difference]: Finished difference Result 3586 states and 3994 transitions. [2020-08-19 05:15:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 05:15:19,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2020-08-19 05:15:19,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:19,149 INFO L225 Difference]: With dead ends: 3586 [2020-08-19 05:15:19,150 INFO L226 Difference]: Without dead ends: 1186 [2020-08-19 05:15:19,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:15:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-19 05:15:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-19 05:15:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-19 05:15:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1238 transitions. [2020-08-19 05:15:19,183 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1238 transitions. Word has length 234 [2020-08-19 05:15:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:19,183 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1238 transitions. [2020-08-19 05:15:19,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:15:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1238 transitions. [2020-08-19 05:15:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-08-19 05:15:19,189 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:19,189 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:19,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 05:15:19,190 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:19,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:19,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1005268435, now seen corresponding path program 1 times [2020-08-19 05:15:19,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:19,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881457243] [2020-08-19 05:15:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:19,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-19 05:15:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 05:15:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 237 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-08-19 05:15:19,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881457243] [2020-08-19 05:15:19,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:19,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:15:19,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098635786] [2020-08-19 05:15:19,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:15:19,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:15:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:15:19,631 INFO L87 Difference]: Start difference. First operand 1186 states and 1238 transitions. Second operand 10 states. [2020-08-19 05:15:20,816 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-08-19 05:15:21,055 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-08-19 05:15:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:22,163 INFO L93 Difference]: Finished difference Result 1774 states and 1847 transitions. [2020-08-19 05:15:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 05:15:22,165 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 257 [2020-08-19 05:15:22,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:22,170 INFO L225 Difference]: With dead ends: 1774 [2020-08-19 05:15:22,171 INFO L226 Difference]: Without dead ends: 1186 [2020-08-19 05:15:22,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-08-19 05:15:22,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-08-19 05:15:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2020-08-19 05:15:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-08-19 05:15:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1234 transitions. [2020-08-19 05:15:22,203 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1234 transitions. Word has length 257 [2020-08-19 05:15:22,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:22,204 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1234 transitions. [2020-08-19 05:15:22,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:15:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1234 transitions. [2020-08-19 05:15:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-08-19 05:15:22,209 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:15:22,209 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:15:22,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 05:15:22,210 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:15:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:15:22,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1238015656, now seen corresponding path program 1 times [2020-08-19 05:15:22,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:15:22,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113032259] [2020-08-19 05:15:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:15:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:15:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 05:15:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-19 05:15:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 05:15:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-19 05:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:15:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 271 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-08-19 05:15:22,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113032259] [2020-08-19 05:15:22,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:15:22,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:15:22,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506607418] [2020-08-19 05:15:22,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:15:22,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:15:22,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:15:22,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:15:22,510 INFO L87 Difference]: Start difference. First operand 1186 states and 1234 transitions. Second operand 7 states. [2020-08-19 05:15:23,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:15:23,393 INFO L93 Difference]: Finished difference Result 1924 states and 2009 transitions. [2020-08-19 05:15:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 05:15:23,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-08-19 05:15:23,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:15:23,395 INFO L225 Difference]: With dead ends: 1924 [2020-08-19 05:15:23,395 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 05:15:23,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:15:23,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 05:15:23,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 05:15:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 05:15:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 05:15:23,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-08-19 05:15:23,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:15:23,400 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 05:15:23,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:15:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 05:15:23,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 05:15:23,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 05:15:23,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 05:15:23,983 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-19 05:15:24,146 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2020-08-19 05:15:25,233 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 62 [2020-08-19 05:15:25,730 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-19 05:15:26,205 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2020-08-19 05:15:26,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:15:26,210 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-19 05:15:26,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:15:26,211 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,211 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,211 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,211 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,211 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,212 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-19 05:15:26,212 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-19 05:15:26,212 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-19 05:15:26,212 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-19 05:15:26,212 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-19 05:15:26,213 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-19 05:15:26,214 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-19 05:15:26,215 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,216 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-19 05:15:26,217 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-19 05:15:26,218 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-19 05:15:26,219 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-19 05:15:26,220 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,221 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-19 05:15:26,222 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-19 05:15:26,223 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-19 05:15:26,224 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-19 05:15:26,225 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-19 05:15:26,226 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-19 05:15:26,227 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-19 05:15:26,228 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,229 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-19 05:15:26,230 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,231 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,232 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= |old(~a19~0)| 1))) (let ((.cse4 (not (= |old(~a25~0)| 1))) (.cse10 (not (<= |old(~a28~0)| 7))) (.cse8 (= ~a25~0 1)) (.cse1 (not .cse14)) (.cse7 (= ~a17~0 8)) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (and .cse5 .cse12 .cse6 .cse13 .cse11)) (.cse3 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 9 |old(~a28~0)|))) (or .cse4 .cse1 (and .cse5 .cse6 (= ~a19~0 1) .cse7 .cse8) .cse9 .cse3) (or .cse10 .cse0 .cse2 .cse3) (or .cse4 (not (= 10 |old(~a28~0)|)) .cse9 (and .cse6 .cse7 .cse8 .cse11 (= ~a28~0 10)) .cse3) (or .cse4 .cse10 .cse0 (and .cse5 .cse12 .cse6 .cse8 .cse11) .cse1) (or (and .cse6 .cse13 .cse7 (= ~a28~0 8) .cse11) .cse14 .cse9 .cse3 (not (= 8 |old(~a28~0)|))) (or .cse0 .cse2 .cse3 (not (= |old(~a11~0)| 1)))))) [2020-08-19 05:15:26,232 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,232 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,232 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,232 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-19 05:15:26,232 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-19 05:15:26,233 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,234 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-19 05:15:26,235 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-19 05:15:26,236 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-19 05:15:26,237 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-19 05:15:26,238 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-19 05:15:26,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:15:26,240 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a21~0 1) (not (= ~a11~0 1)) (<= ~a28~0 7) (<= ~a17~0 8) (not (= ~a25~0 1))) [2020-08-19 05:15:26,240 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 05:15:26,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:15:26,240 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (= |old(~a25~0)| 1) (= |old(~a11~0)| 1) (not (= ~a21~0 1))) [2020-08-19 05:15:26,240 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-19 05:15:26,241 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-19 05:15:26,241 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-19 05:15:26,241 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a19~0 1))) (let ((.cse7 (not .cse5)) (.cse1 (<= ~a28~0 7)) (.cse6 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and (= ~a11~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse0) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (and .cse4 .cse6 .cse7 (= ~a28~0 8)) (= |old(~a11~0)| 1) (not (= ~a21~0 1)) (and .cse4 .cse7 .cse1 .cse2) (and .cse4 .cse6 .cse0 (= ~a28~0 10)) (and .cse4 (<= 9 ~a28~0) .cse2 .cse3)))) [2020-08-19 05:15:26,241 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-19 05:15:26,241 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-19 05:15:26,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 05:15:26 BoogieIcfgContainer [2020-08-19 05:15:26,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 05:15:26,266 INFO L168 Benchmark]: Toolchain (without parser) took 31318.27 ms. Allocated memory was 140.5 MB in the beginning and 613.9 MB in the end (delta: 473.4 MB). Free memory was 102.1 MB in the beginning and 357.3 MB in the end (delta: -255.2 MB). Peak memory consumption was 495.4 MB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,267 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.27 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 101.7 MB in the beginning and 173.1 MB in the end (delta: -71.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,269 INFO L168 Benchmark]: Boogie Preprocessor took 112.92 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,269 INFO L168 Benchmark]: RCFGBuilder took 1322.76 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 176.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,270 INFO L168 Benchmark]: TraceAbstraction took 29139.15 ms. Allocated memory was 236.5 MB in the beginning and 613.9 MB in the end (delta: 377.5 MB). Free memory was 176.3 MB in the beginning and 357.3 MB in the end (delta: -181.0 MB). Peak memory consumption was 473.6 MB. Max. memory is 7.1 GB. [2020-08-19 05:15:26,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.27 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 101.7 MB in the beginning and 173.1 MB in the end (delta: -71.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.92 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1322.76 ms. Allocated memory was 206.6 MB in the beginning and 236.5 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 176.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29139.15 ms. Allocated memory was 236.5 MB in the beginning and 613.9 MB in the end (delta: 377.5 MB). Free memory was 176.3 MB in the beginning and 357.3 MB in the end (delta: -181.0 MB). Peak memory consumption was 473.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 1 && a28 <= 7) && a17 <= 8) && a19 == \old(a19)) || !(\old(a19) == 1)) || \old(a25) == 1) || (a11 == 1 && a17 <= 8)) || (((a11 == \old(a11) && a19 == 1) && a17 == 8) && a25 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25))) || (((a11 == \old(a11) && a17 == 8) && !(a19 == 1)) && a28 == 8)) || \old(a11) == 1) || !(a21 == 1)) || (((a11 == \old(a11) && !(a19 == 1)) && a28 <= 7) && a17 <= 8)) || (((a11 == \old(a11) && a17 == 8) && a25 == 1) && a28 == 10)) || (((a11 == \old(a11) && 9 <= a28) && a17 <= 8) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.1s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 6892 SDslu, 594 SDs, 0 SdLazy, 11435 SolverSat, 1773 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2902occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 158 PreInvPairs, 214 NumberOfFragments, 582 HoareAnnotationTreeSize, 158 FomulaSimplifications, 99268 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6438 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1815 NumberOfCodeBlocks, 1815 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1805 ConstructedInterpolants, 0 QuantifiedInterpolants, 1072296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1168/1225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...