/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=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 06:02:08,548 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 06:02:08,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:02:08,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:02:08,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:02:08,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:02:08,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:02:08,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:02:08,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:02:08,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:02:08,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:02:08,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:02:08,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:02:08,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:02:08,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 06:02:08,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:02:08,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:02:08,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:02:08,669 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 06:02:08,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:02:08,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:02:08,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:02:08,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:02:08,719 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:02:08,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:02:08,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:02:08,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:02:08,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:02:08,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:02:08,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:02:08,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:02:08,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:02:08,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:02:08,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:02:08,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:02:08,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:02:08,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:02:08,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:02:08,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:02:08,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:02:08,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:02:08,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:02:08,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:02:08,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:02:08,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:02:08,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:02:08,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:02:08,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:02:08,726 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=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 06:02:09,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:02:09,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:02:09,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:02:09,072 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:02:09,073 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:02:09,074 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-19 06:02:09,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25bb1f458/d7edbe2cdea74d20b939b00318510286/FLAGb728b1c47 [2020-08-19 06:02:09,786 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:02:09,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-19 06:02:09,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25bb1f458/d7edbe2cdea74d20b939b00318510286/FLAGb728b1c47 [2020-08-19 06:02:10,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25bb1f458/d7edbe2cdea74d20b939b00318510286 [2020-08-19 06:02:10,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:02:10,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:02:10,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:02:10,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:02:10,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:02:10,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280c5647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10, skipping insertion in model container [2020-08-19 06:02:10,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:02:10,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:02:10,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:02:10,699 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 06:02:10,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:02:10,909 INFO L208 MainTranslator]: Completed translation [2020-08-19 06:02:10,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10 WrapperNode [2020-08-19 06:02:10,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:02:10,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 06:02:10,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 06:02:10,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 06:02:10,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:10,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:11,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (1/1) ... [2020-08-19 06:02:11,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 06:02:11,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 06:02:11,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 06:02:11,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 06:02:11,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (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 06:02:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 06:02:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 06:02:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 06:02:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 06:02:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 06:02:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 06:02:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 06:02:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 06:02:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 06:02:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 06:02:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 06:02:12,145 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 06:02:12,146 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 06:02:12,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:02:12 BoogieIcfgContainer [2020-08-19 06:02:12,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 06:02:12,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 06:02:12,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 06:02:12,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 06:02:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 06:02:10" (1/3) ... [2020-08-19 06:02:12,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db70a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:02:12, skipping insertion in model container [2020-08-19 06:02:12,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:02:10" (2/3) ... [2020-08-19 06:02:12,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db70a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:02:12, skipping insertion in model container [2020-08-19 06:02:12,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:02:12" (3/3) ... [2020-08-19 06:02:12,170 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-08-19 06:02:12,183 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 06:02:12,195 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 06:02:12,212 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 06:02:12,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 06:02:12,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 06:02:12,250 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 06:02:12,250 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 06:02:12,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 06:02:12,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 06:02:12,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 06:02:12,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 06:02:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-19 06:02:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-19 06:02:12,297 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:12,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:02:12,299 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:12,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2020-08-19 06:02:12,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:12,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494211227] [2020-08-19 06:02:12,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:12,865 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 06:02:12,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494211227] [2020-08-19 06:02:12,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:02:12,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 06:02:12,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436095593] [2020-08-19 06:02:12,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:02:12,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:12,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:02:12,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:02:12,896 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-19 06:02:15,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:15,014 INFO L93 Difference]: Finished difference Result 723 states and 1255 transitions. [2020-08-19 06:02:15,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:02:15,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-08-19 06:02:15,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:15,036 INFO L225 Difference]: With dead ends: 723 [2020-08-19 06:02:15,036 INFO L226 Difference]: Without dead ends: 423 [2020-08-19 06:02:15,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-19 06:02:15,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-19 06:02:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-19 06:02:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 584 transitions. [2020-08-19 06:02:15,135 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 584 transitions. Word has length 122 [2020-08-19 06:02:15,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:15,136 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 584 transitions. [2020-08-19 06:02:15,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:02:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 584 transitions. [2020-08-19 06:02:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-19 06:02:15,143 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:15,143 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:02:15,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 06:02:15,144 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:15,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:15,144 INFO L82 PathProgramCache]: Analyzing trace with hash -259733235, now seen corresponding path program 1 times [2020-08-19 06:02:15,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:15,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858525020] [2020-08-19 06:02:15,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:15,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:15,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:02:15,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858525020] [2020-08-19 06:02:15,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:02:15,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 06:02:15,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742603922] [2020-08-19 06:02:15,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:02:15,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:15,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:02:15,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:02:15,358 INFO L87 Difference]: Start difference. First operand 417 states and 584 transitions. Second operand 8 states. [2020-08-19 06:02:16,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:16,699 INFO L93 Difference]: Finished difference Result 1269 states and 1843 transitions. [2020-08-19 06:02:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 06:02:16,700 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-19 06:02:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:16,709 INFO L225 Difference]: With dead ends: 1269 [2020-08-19 06:02:16,710 INFO L226 Difference]: Without dead ends: 858 [2020-08-19 06:02:16,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-08-19 06:02:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 834. [2020-08-19 06:02:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-08-19 06:02:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1168 transitions. [2020-08-19 06:02:16,780 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1168 transitions. Word has length 132 [2020-08-19 06:02:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:16,781 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1168 transitions. [2020-08-19 06:02:16,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:02:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1168 transitions. [2020-08-19 06:02:16,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-19 06:02:16,789 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:16,789 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:02:16,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 06:02:16,790 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:16,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:16,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2082377679, now seen corresponding path program 1 times [2020-08-19 06:02:16,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:16,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249011033] [2020-08-19 06:02:16,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:17,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:02:17,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249011033] [2020-08-19 06:02:17,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:17,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 06:02:17,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957447843] [2020-08-19 06:02:17,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 06:02:17,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 06:02:17,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 06:02:17,222 INFO L87 Difference]: Start difference. First operand 834 states and 1168 transitions. Second operand 6 states. [2020-08-19 06:02:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:18,501 INFO L93 Difference]: Finished difference Result 1769 states and 2519 transitions. [2020-08-19 06:02:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:02:18,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2020-08-19 06:02:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:18,512 INFO L225 Difference]: With dead ends: 1769 [2020-08-19 06:02:18,512 INFO L226 Difference]: Without dead ends: 840 [2020-08-19 06:02:18,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:02:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-08-19 06:02:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 832. [2020-08-19 06:02:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-08-19 06:02:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1059 transitions. [2020-08-19 06:02:18,580 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1059 transitions. Word has length 133 [2020-08-19 06:02:18,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:18,581 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1059 transitions. [2020-08-19 06:02:18,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 06:02:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1059 transitions. [2020-08-19 06:02:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-19 06:02:18,591 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:18,592 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:02:18,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 06:02:18,592 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:18,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:18,593 INFO L82 PathProgramCache]: Analyzing trace with hash 394249543, now seen corresponding path program 1 times [2020-08-19 06:02:18,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:18,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864412585] [2020-08-19 06:02:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:18,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:02:18,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864412585] [2020-08-19 06:02:18,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:18,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 06:02:18,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944801740] [2020-08-19 06:02:18,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:02:18,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:02:18,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:02:18,889 INFO L87 Difference]: Start difference. First operand 832 states and 1059 transitions. Second operand 5 states. [2020-08-19 06:02:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:19,818 INFO L93 Difference]: Finished difference Result 2079 states and 2683 transitions. [2020-08-19 06:02:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:02:19,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-08-19 06:02:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:19,833 INFO L225 Difference]: With dead ends: 2079 [2020-08-19 06:02:19,834 INFO L226 Difference]: Without dead ends: 1253 [2020-08-19 06:02:19,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 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 06:02:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-08-19 06:02:19,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1243. [2020-08-19 06:02:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-08-19 06:02:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1550 transitions. [2020-08-19 06:02:19,897 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1550 transitions. Word has length 137 [2020-08-19 06:02:19,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:19,898 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1550 transitions. [2020-08-19 06:02:19,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:02:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1550 transitions. [2020-08-19 06:02:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-19 06:02:19,906 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:19,906 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:02:19,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 06:02:19,907 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:19,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:19,908 INFO L82 PathProgramCache]: Analyzing trace with hash 706222219, now seen corresponding path program 1 times [2020-08-19 06:02:19,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:19,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614865445] [2020-08-19 06:02:19,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:20,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-19 06:02:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 06:02:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-19 06:02:20,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614865445] [2020-08-19 06:02:20,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:20,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:02:20,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11358105] [2020-08-19 06:02:20,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:02:20,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:20,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:02:20,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:20,169 INFO L87 Difference]: Start difference. First operand 1243 states and 1550 transitions. Second operand 7 states. [2020-08-19 06:02:21,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:21,444 INFO L93 Difference]: Finished difference Result 3360 states and 4273 transitions. [2020-08-19 06:02:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:02:21,445 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-19 06:02:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:21,465 INFO L225 Difference]: With dead ends: 3360 [2020-08-19 06:02:21,465 INFO L226 Difference]: Without dead ends: 2123 [2020-08-19 06:02:21,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-08-19 06:02:21,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1962. [2020-08-19 06:02:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-08-19 06:02:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2370 transitions. [2020-08-19 06:02:21,551 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2370 transitions. Word has length 181 [2020-08-19 06:02:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:21,551 INFO L479 AbstractCegarLoop]: Abstraction has 1962 states and 2370 transitions. [2020-08-19 06:02:21,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:02:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2370 transitions. [2020-08-19 06:02:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-19 06:02:21,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:21,561 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-08-19 06:02:21,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 06:02:21,562 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:21,563 INFO L82 PathProgramCache]: Analyzing trace with hash 853819156, now seen corresponding path program 1 times [2020-08-19 06:02:21,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:21,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805975006] [2020-08-19 06:02:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-19 06:02:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 06:02:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 06:02:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 75 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-19 06:02:21,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805975006] [2020-08-19 06:02:21,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:21,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:02:21,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078664691] [2020-08-19 06:02:21,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:02:21,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:21,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:02:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:21,859 INFO L87 Difference]: Start difference. First operand 1962 states and 2370 transitions. Second operand 7 states. [2020-08-19 06:02:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:23,023 INFO L93 Difference]: Finished difference Result 5487 states and 6885 transitions. [2020-08-19 06:02:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 06:02:23,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-08-19 06:02:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:23,047 INFO L225 Difference]: With dead ends: 5487 [2020-08-19 06:02:23,047 INFO L226 Difference]: Without dead ends: 3531 [2020-08-19 06:02:23,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:23,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2020-08-19 06:02:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3360. [2020-08-19 06:02:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3360 states. [2020-08-19 06:02:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4099 transitions. [2020-08-19 06:02:23,197 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4099 transitions. Word has length 196 [2020-08-19 06:02:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:23,198 INFO L479 AbstractCegarLoop]: Abstraction has 3360 states and 4099 transitions. [2020-08-19 06:02:23,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:02:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4099 transitions. [2020-08-19 06:02:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-19 06:02:23,208 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:23,208 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 06:02:23,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 06:02:23,209 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:23,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:23,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1458466897, now seen corresponding path program 1 times [2020-08-19 06:02:23,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:23,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431807766] [2020-08-19 06:02:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:23,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:23,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 06:02:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:23,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-19 06:02:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 80 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-19 06:02:23,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431807766] [2020-08-19 06:02:23,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:23,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:02:23,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872164990] [2020-08-19 06:02:23,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:02:23,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:23,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:02:23,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:23,411 INFO L87 Difference]: Start difference. First operand 3360 states and 4099 transitions. Second operand 7 states. [2020-08-19 06:02:24,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:24,789 INFO L93 Difference]: Finished difference Result 7002 states and 8519 transitions. [2020-08-19 06:02:24,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 06:02:24,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-19 06:02:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:24,807 INFO L225 Difference]: With dead ends: 7002 [2020-08-19 06:02:24,807 INFO L226 Difference]: Without dead ends: 3648 [2020-08-19 06:02:24,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2020-08-19 06:02:24,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3646. [2020-08-19 06:02:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3646 states. [2020-08-19 06:02:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4303 transitions. [2020-08-19 06:02:24,911 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4303 transitions. Word has length 195 [2020-08-19 06:02:24,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:24,912 INFO L479 AbstractCegarLoop]: Abstraction has 3646 states and 4303 transitions. [2020-08-19 06:02:24,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:02:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4303 transitions. [2020-08-19 06:02:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-08-19 06:02:24,925 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:24,925 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:24,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 06:02:24,925 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:24,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:24,926 INFO L82 PathProgramCache]: Analyzing trace with hash 426210850, now seen corresponding path program 1 times [2020-08-19 06:02:24,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:24,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272400533] [2020-08-19 06:02:24,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-19 06:02:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 06:02:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-19 06:02:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 122 proven. 36 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-08-19 06:02:25,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272400533] [2020-08-19 06:02:25,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:25,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:02:25,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135914325] [2020-08-19 06:02:25,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:02:25,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:25,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:02:25,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:25,217 INFO L87 Difference]: Start difference. First operand 3646 states and 4303 transitions. Second operand 7 states. [2020-08-19 06:02:26,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:26,590 INFO L93 Difference]: Finished difference Result 7167 states and 8462 transitions. [2020-08-19 06:02:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:02:26,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-08-19 06:02:26,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:26,606 INFO L225 Difference]: With dead ends: 7167 [2020-08-19 06:02:26,606 INFO L226 Difference]: Without dead ends: 3662 [2020-08-19 06:02:26,615 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 06:02:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2020-08-19 06:02:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3656. [2020-08-19 06:02:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states. [2020-08-19 06:02:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 4209 transitions. [2020-08-19 06:02:26,706 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 4209 transitions. Word has length 232 [2020-08-19 06:02:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:26,707 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 4209 transitions. [2020-08-19 06:02:26,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:02:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 4209 transitions. [2020-08-19 06:02:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-08-19 06:02:26,718 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:26,719 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:26,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 06:02:26,719 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:26,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash 604394622, now seen corresponding path program 1 times [2020-08-19 06:02:26,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:26,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309742724] [2020-08-19 06:02:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:26,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 06:02:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 06:02:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:26,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 06:02:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 147 proven. 39 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-08-19 06:02:27,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309742724] [2020-08-19 06:02:27,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:27,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 06:02:27,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647164493] [2020-08-19 06:02:27,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:02:27,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:27,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:02:27,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:02:27,010 INFO L87 Difference]: Start difference. First operand 3656 states and 4209 transitions. Second operand 9 states. [2020-08-19 06:02:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:31,166 INFO L93 Difference]: Finished difference Result 11217 states and 13877 transitions. [2020-08-19 06:02:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 06:02:31,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-08-19 06:02:31,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:31,203 INFO L225 Difference]: With dead ends: 11217 [2020-08-19 06:02:31,203 INFO L226 Difference]: Without dead ends: 7702 [2020-08-19 06:02:31,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-08-19 06:02:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7702 states. [2020-08-19 06:02:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7702 to 7406. [2020-08-19 06:02:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7406 states. [2020-08-19 06:02:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7406 states to 7406 states and 9126 transitions. [2020-08-19 06:02:31,432 INFO L78 Accepts]: Start accepts. Automaton has 7406 states and 9126 transitions. Word has length 246 [2020-08-19 06:02:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:31,433 INFO L479 AbstractCegarLoop]: Abstraction has 7406 states and 9126 transitions. [2020-08-19 06:02:31,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:02:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7406 states and 9126 transitions. [2020-08-19 06:02:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-08-19 06:02:31,462 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:31,462 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 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] [2020-08-19 06:02:31,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 06:02:31,463 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:31,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:31,463 INFO L82 PathProgramCache]: Analyzing trace with hash -763457286, now seen corresponding path program 1 times [2020-08-19 06:02:31,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:31,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596512980] [2020-08-19 06:02:31,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-19 06:02:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 171 proven. 27 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-08-19 06:02:31,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596512980] [2020-08-19 06:02:31,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:31,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 06:02:31,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098923587] [2020-08-19 06:02:31,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 06:02:31,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:31,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 06:02:31,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 06:02:31,928 INFO L87 Difference]: Start difference. First operand 7406 states and 9126 transitions. Second operand 10 states. [2020-08-19 06:02:32,574 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-08-19 06:02:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:34,527 INFO L93 Difference]: Finished difference Result 14172 states and 17050 transitions. [2020-08-19 06:02:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 06:02:34,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 276 [2020-08-19 06:02:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:34,553 INFO L225 Difference]: With dead ends: 14172 [2020-08-19 06:02:34,553 INFO L226 Difference]: Without dead ends: 6907 [2020-08-19 06:02:34,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-08-19 06:02:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2020-08-19 06:02:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6883. [2020-08-19 06:02:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6883 states. [2020-08-19 06:02:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 7945 transitions. [2020-08-19 06:02:34,727 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 7945 transitions. Word has length 276 [2020-08-19 06:02:34,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:34,728 INFO L479 AbstractCegarLoop]: Abstraction has 6883 states and 7945 transitions. [2020-08-19 06:02:34,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 06:02:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 7945 transitions. [2020-08-19 06:02:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-08-19 06:02:34,746 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:34,746 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 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 06:02:34,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 06:02:34,747 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:34,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:34,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2075847519, now seen corresponding path program 1 times [2020-08-19 06:02:34,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:34,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096395249] [2020-08-19 06:02:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:34,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:34,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:35,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:02:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 225 proven. 31 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-08-19 06:02:35,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096395249] [2020-08-19 06:02:35,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:35,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 06:02:35,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914706167] [2020-08-19 06:02:35,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:02:35,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:35,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:02:35,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:02:35,246 INFO L87 Difference]: Start difference. First operand 6883 states and 7945 transitions. Second operand 9 states. [2020-08-19 06:02:36,878 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-08-19 06:02:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:37,282 INFO L93 Difference]: Finished difference Result 13655 states and 15775 transitions. [2020-08-19 06:02:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 06:02:37,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 289 [2020-08-19 06:02:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:37,318 INFO L225 Difference]: With dead ends: 13655 [2020-08-19 06:02:37,318 INFO L226 Difference]: Without dead ends: 6913 [2020-08-19 06:02:37,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-19 06:02:37,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2020-08-19 06:02:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6885. [2020-08-19 06:02:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6885 states. [2020-08-19 06:02:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 7926 transitions. [2020-08-19 06:02:37,472 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 7926 transitions. Word has length 289 [2020-08-19 06:02:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:37,473 INFO L479 AbstractCegarLoop]: Abstraction has 6885 states and 7926 transitions. [2020-08-19 06:02:37,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:02:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 7926 transitions. [2020-08-19 06:02:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-08-19 06:02:37,503 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:37,504 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 06:02:37,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 06:02:37,505 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:37,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:37,505 INFO L82 PathProgramCache]: Analyzing trace with hash -394947665, now seen corresponding path program 1 times [2020-08-19 06:02:37,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:37,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126804390] [2020-08-19 06:02:37,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-08-19 06:02:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-19 06:02:37,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126804390] [2020-08-19 06:02:37,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:37,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 06:02:37,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170741377] [2020-08-19 06:02:37,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:02:37,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:37,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:02:37,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:02:37,990 INFO L87 Difference]: Start difference. First operand 6885 states and 7926 transitions. Second operand 8 states. [2020-08-19 06:02:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:39,196 INFO L93 Difference]: Finished difference Result 13538 states and 15450 transitions. [2020-08-19 06:02:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 06:02:39,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-08-19 06:02:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:39,217 INFO L225 Difference]: With dead ends: 13538 [2020-08-19 06:02:39,217 INFO L226 Difference]: Without dead ends: 6796 [2020-08-19 06:02:39,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6796 states. [2020-08-19 06:02:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6796 to 6053. [2020-08-19 06:02:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6053 states. [2020-08-19 06:02:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 6739 transitions. [2020-08-19 06:02:39,351 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 6739 transitions. Word has length 308 [2020-08-19 06:02:39,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:39,352 INFO L479 AbstractCegarLoop]: Abstraction has 6053 states and 6739 transitions. [2020-08-19 06:02:39,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:02:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 6739 transitions. [2020-08-19 06:02:39,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-08-19 06:02:39,369 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:39,370 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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 06:02:39,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 06:02:39,370 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:39,371 INFO L82 PathProgramCache]: Analyzing trace with hash 874817583, now seen corresponding path program 1 times [2020-08-19 06:02:39,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:39,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610477946] [2020-08-19 06:02:39,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:02:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-08-19 06:02:39,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610477946] [2020-08-19 06:02:39,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:39,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 06:02:39,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30737558] [2020-08-19 06:02:39,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:02:39,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:39,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:02:39,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:02:39,788 INFO L87 Difference]: Start difference. First operand 6053 states and 6739 transitions. Second operand 5 states. [2020-08-19 06:02:40,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:40,715 INFO L93 Difference]: Finished difference Result 12515 states and 13928 transitions. [2020-08-19 06:02:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:02:40,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-08-19 06:02:40,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:40,742 INFO L225 Difference]: With dead ends: 12515 [2020-08-19 06:02:40,742 INFO L226 Difference]: Without dead ends: 5497 [2020-08-19 06:02:40,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 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 06:02:40,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2020-08-19 06:02:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 5344. [2020-08-19 06:02:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-08-19 06:02:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5826 transitions. [2020-08-19 06:02:40,883 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5826 transitions. Word has length 313 [2020-08-19 06:02:40,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:40,884 INFO L479 AbstractCegarLoop]: Abstraction has 5344 states and 5826 transitions. [2020-08-19 06:02:40,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:02:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5826 transitions. [2020-08-19 06:02:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-19 06:02:40,905 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:40,906 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-08-19 06:02:40,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 06:02:40,907 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:40,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:40,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1264462194, now seen corresponding path program 1 times [2020-08-19 06:02:40,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:40,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051364147] [2020-08-19 06:02:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:02:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-19 06:02:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 184 proven. 21 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-08-19 06:02:41,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051364147] [2020-08-19 06:02:41,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:41,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 06:02:41,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824432699] [2020-08-19 06:02:41,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 06:02:41,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:41,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 06:02:41,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 06:02:41,330 INFO L87 Difference]: Start difference. First operand 5344 states and 5826 transitions. Second operand 6 states. [2020-08-19 06:02:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:42,634 INFO L93 Difference]: Finished difference Result 5904 states and 6477 transitions. [2020-08-19 06:02:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:02:42,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 318 [2020-08-19 06:02:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:42,650 INFO L225 Difference]: With dead ends: 5904 [2020-08-19 06:02:42,650 INFO L226 Difference]: Without dead ends: 5902 [2020-08-19 06:02:42,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:02:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5902 states. [2020-08-19 06:02:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5902 to 5479. [2020-08-19 06:02:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-08-19 06:02:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 5996 transitions. [2020-08-19 06:02:42,752 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 5996 transitions. Word has length 318 [2020-08-19 06:02:42,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:42,753 INFO L479 AbstractCegarLoop]: Abstraction has 5479 states and 5996 transitions. [2020-08-19 06:02:42,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 06:02:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 5996 transitions. [2020-08-19 06:02:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-08-19 06:02:42,774 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:42,775 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 06:02:42,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 06:02:42,776 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:42,776 INFO L82 PathProgramCache]: Analyzing trace with hash 41074506, now seen corresponding path program 1 times [2020-08-19 06:02:42,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:42,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823125454] [2020-08-19 06:02:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:02:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-19 06:02:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 357 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-08-19 06:02:43,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823125454] [2020-08-19 06:02:43,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:43,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 06:02:43,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968369693] [2020-08-19 06:02:43,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 06:02:43,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:43,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 06:02:43,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-19 06:02:43,426 INFO L87 Difference]: Start difference. First operand 5479 states and 5996 transitions. Second operand 12 states. [2020-08-19 06:02:43,836 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-08-19 06:02:44,377 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-08-19 06:02:45,671 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-08-19 06:02:46,226 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-08-19 06:02:46,982 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-08-19 06:02:47,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:47,554 INFO L93 Difference]: Finished difference Result 10259 states and 11214 transitions. [2020-08-19 06:02:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-19 06:02:47,555 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 338 [2020-08-19 06:02:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:47,568 INFO L225 Difference]: With dead ends: 10259 [2020-08-19 06:02:47,568 INFO L226 Difference]: Without dead ends: 4923 [2020-08-19 06:02:47,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2020-08-19 06:02:47,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2020-08-19 06:02:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4905. [2020-08-19 06:02:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4905 states. [2020-08-19 06:02:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 5319 transitions. [2020-08-19 06:02:47,669 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 5319 transitions. Word has length 338 [2020-08-19 06:02:47,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:47,670 INFO L479 AbstractCegarLoop]: Abstraction has 4905 states and 5319 transitions. [2020-08-19 06:02:47,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 06:02:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 5319 transitions. [2020-08-19 06:02:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-08-19 06:02:47,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:02:47,685 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 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] [2020-08-19 06:02:47,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 06:02:47,685 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:02:47,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:02:47,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1269018866, now seen corresponding path program 1 times [2020-08-19 06:02:47,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:02:47,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781549367] [2020-08-19 06:02:47,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:02:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:02:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 06:02:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-19 06:02:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 06:02:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-19 06:02:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-19 06:02:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:48,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-19 06:02:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:02:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 224 proven. 24 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2020-08-19 06:02:48,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781549367] [2020-08-19 06:02:48,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:02:48,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 06:02:48,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106764159] [2020-08-19 06:02:48,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 06:02:48,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:02:48,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 06:02:48,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:02:48,129 INFO L87 Difference]: Start difference. First operand 4905 states and 5319 transitions. Second operand 7 states. [2020-08-19 06:02:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:02:49,300 INFO L93 Difference]: Finished difference Result 8974 states and 9763 transitions. [2020-08-19 06:02:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 06:02:49,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 358 [2020-08-19 06:02:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:02:49,301 INFO L225 Difference]: With dead ends: 8974 [2020-08-19 06:02:49,301 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 06:02:49,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:02:49,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 06:02:49,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 06:02:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 06:02:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 06:02:49,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-08-19 06:02:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:02:49,313 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 06:02:49,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 06:02:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 06:02:49,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 06:02:49,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 06:02:49,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 06:02:50,466 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-19 06:02:50,850 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-19 06:02:51,004 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2020-08-19 06:02:53,105 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2020-08-19 06:02:54,635 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-19 06:02:56,103 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-19 06:02:56,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:02:56,108 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-19 06:02:56,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,109 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-19 06:02:56,110 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,111 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-19 06:02:56,112 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-19 06:02:56,113 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-19 06:02:56,114 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,115 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-19 06:02:56,116 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,117 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,118 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-19 06:02:56,119 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,120 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-19 06:02:56,121 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-19 06:02:56,122 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-19 06:02:56,123 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= |old(~a20~0)| 1)) (.cse15 (= |old(~a7~0)| 1)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse28 (= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse29 (= ~a16~0 4))) (let ((.cse18 (not (<= 14 |old(~a8~0)|))) (.cse22 (and .cse3 .cse2 .cse4 .cse5 .cse7 .cse29)) (.cse19 (not (<= |old(~a16~0)| 5))) (.cse23 (and .cse3 .cse2 .cse4 .cse5 .cse7 (= 5 ~a16~0))) (.cse24 (not (= 5 |old(~a16~0)|))) (.cse26 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse28)) (.cse8 (not (<= |old(~a17~0)| 0))) (.cse16 (not (= |old(~a17~0)| 1))) (.cse0 (not (<= |old(~a7~0)| 0))) (.cse17 (not (<= 15 |old(~a8~0)|))) (.cse1 (not (<= 1 |old(~a21~0)|))) (.cse25 (not (= 6 |old(~a16~0)|))) (.cse20 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse7)) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse12 (not (= |old(~a8~0)| 13))) (.cse27 (not .cse15)) (.cse14 (and .cse3 .cse2 .cse4 .cse5 .cse28 .cse29)) (.cse21 (not .cse13)) (.cse9 (not (= ~a12~0 8))) (.cse11 (not (= 4 |old(~a16~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse1 .cse14 .cse9 .cse11 .cse15) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~a17~0 1)) .cse16 .cse13 .cse17 .cse1 .cse9 .cse11 .cse15) (or .cse18 .cse19 .cse1 .cse20 .cse8 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse1 .cse21 .cse22 .cse9 .cse11) (or .cse18 .cse1 .cse23 .cse8 .cse24 .cse9) (or .cse17 .cse1 .cse25 .cse21 .cse20 .cse8 .cse9 .cse15) (or .cse0 .cse17 .cse1 .cse25 .cse8 .cse20 .cse9 .cse10) (or .cse12 .cse16 .cse26 .cse19 .cse27 .cse21 .cse9) (or .cse12 .cse16 .cse0 .cse26 .cse1 .cse25 .cse21 .cse9) (or .cse12 .cse0 .cse1 .cse14 .cse21 .cse9 .cse11) (or .cse16 .cse13 .cse17 .cse1 .cse23 .cse24 .cse9 .cse15) (or .cse0 .cse1 .cse21 .cse8 .cse22 .cse9 .cse11) (or .cse12 .cse16 .cse26 .cse19 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse17 .cse1 .cse23 .cse21 .cse24 .cse9) (or .cse12 .cse26 .cse27 .cse25 .cse21 .cse8 .cse9) (or .cse16 .cse0 .cse17 .cse1 .cse25 .cse20 .cse9 .cse10) (or .cse12 .cse27 .cse14 .cse21 (= |old(~a21~0)| 1) .cse9 .cse11 (not (= 0 |old(~a17~0)|)))))) [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,124 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-19 06:02:56,125 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,126 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-19 06:02:56,127 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,128 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-19 06:02:56,129 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 8) (<= ~a7~0 0) (= ~a20~0 1) (<= 1 ~a21~0) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-19 06:02:56,130 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 06:02:56,130 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:02:56,130 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8))) [2020-08-19 06:02:56,131 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-19 06:02:56,131 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-19 06:02:56,131 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-19 06:02:56,131 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-19 06:02:56,132 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-19 06:02:56,132 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-19 06:02:56,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 06:02:56 BoogieIcfgContainer [2020-08-19 06:02:56,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 06:02:56,186 INFO L168 Benchmark]: Toolchain (without parser) took 46082.87 ms. Allocated memory was 147.8 MB in the beginning and 833.6 MB in the end (delta: 685.8 MB). Free memory was 101.9 MB in the beginning and 420.8 MB in the end (delta: -318.9 MB). Peak memory consumption was 711.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:02:56,191 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 06:02:56,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.87 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 164.9 MB in the end (delta: -63.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-19 06:02:56,193 INFO L168 Benchmark]: Boogie Preprocessor took 96.73 ms. Allocated memory is still 205.0 MB. Free memory was 164.9 MB in the beginning and 159.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-08-19 06:02:56,193 INFO L168 Benchmark]: RCFGBuilder took 1151.68 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 167.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2020-08-19 06:02:56,196 INFO L168 Benchmark]: TraceAbstraction took 44022.85 ms. Allocated memory was 235.9 MB in the beginning and 833.6 MB in the end (delta: 597.7 MB). Free memory was 166.3 MB in the beginning and 420.8 MB in the end (delta: -254.5 MB). Peak memory consumption was 687.4 MB. Max. memory is 7.1 GB. [2020-08-19 06:02:56,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.87 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 164.9 MB in the end (delta: -63.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.73 ms. Allocated memory is still 205.0 MB. Free memory was 164.9 MB in the beginning and 159.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1151.68 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 167.7 MB in the end (delta: -8.2 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44022.85 ms. Allocated memory was 235.9 MB in the beginning and 833.6 MB in the end (delta: 597.7 MB). Free memory was 166.3 MB in the beginning and 420.8 MB in the end (delta: -254.5 MB). Peak memory consumption was 687.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 6 && a17 <= 0) && a20 == 1) && !(a7 == 1)) && 1 <= a21) && 15 <= a8) || (((((a12 == 8 && a7 <= 0) && a8 == 13) && a20 == 1) && a16 == 4) && 1 <= a21)) || (((((a12 == 8 && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21) && a17 == 1)) || !(\old(a20) == 1)) || ((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a8 == \old(a8)) && 5 == a16)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21)) || ((((a7 == 1 && a16 <= 5) && a8 == 13) && a20 == 1) && a17 == 1)) || (((14 <= a8 && a17 <= 0) && 1 <= a21) && 5 == a16)) || (((((!(a7 == 1) && 1 <= a21) && 5 == a16) && !(a20 == 1)) && 15 <= a8) && a17 == 1)) || ((((a7 == 1 && a16 == 6) && a17 <= 0) && a8 == 13) && a20 == 1)) || !(1 <= \old(a21))) || (((((a7 == 1 && a20 == \old(a20)) && !(a21 == 1)) && a8 == 13) && a16 == 4) && a17 == 0)) || !(5 == \old(a16))) || (((((a16 == 6 && a7 <= 0) && 1 <= a21) && a17 == 1) && a20 <= 0) && 15 <= a8)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a16 == 4) && 1 <= a21) && a20 <= 0)) || !(a12 == 8)) || !(\old(a7) <= 0)) || (((((a16 == 4 && !(a7 == 1)) && 1 <= a21) && !(a20 == 1)) && a17 == 1) && 15 <= a8)) || !(\old(a17) == 1)) || (((((a16 == 6 && a8 == 13) && a7 <= 0) && a20 == 1) && 1 <= a21) && a17 == 1)) || !(15 <= \old(a8))) || (((((a16 == 6 && a17 <= 0) && a7 <= 0) && 1 <= a21) && a20 <= 0) && 15 <= a8)) || ((((14 <= a8 && a16 <= 5) && a17 <= 0) && 1 <= a21) && a20 <= 0)) || (((a16 <= 5 && a8 == 13) && a17 == 1) && a20 <= 0)) || ((((a8 == 13 && a16 == 4) && 1 <= a21) && !(a7 == 1)) && !(a20 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.0s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 487 SDtfs, 10981 SDslu, 677 SDs, 0 SdLazy, 15843 SolverSat, 2374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 228 SyntacticMatches, 4 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7406occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2073 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 450 PreInvPairs, 528 NumberOfFragments, 1650 HoareAnnotationTreeSize, 450 FomulaSimplifications, 157403 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 33192 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 3774 NumberOfCodeBlocks, 3774 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3758 ConstructedInterpolants, 0 QuantifiedInterpolants, 2788865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 3698/3974 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...