/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:24:22,307 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 17:24:22,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:24:22,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:24:22,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:24:22,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:24:22,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:24:22,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:24:22,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:24:22,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:24:22,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:24:22,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:24:22,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:24:22,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:24:22,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 17:24:22,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:24:22,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:24:22,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:24:22,426 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 [2020-08-21 17:24:22,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:24:22,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:24:22,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:24:22,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:24:22,467 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:24:22,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:24:22,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:24:22,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:24:22,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:24:22,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:24:22,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:24:22,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:24:22,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:24:22,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:24:22,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:24:22,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:24:22,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:24:22,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:24:22,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:24:22,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:24:22,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:24:22,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:24:22,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:24:22,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:24:22,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:24:22,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:24:22,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:24:22,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:24:22,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:24:22,473 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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:24:22,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:24:22,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:24:22,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:24:22,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:24:22,871 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:24:22,871 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-21 17:24:22,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8335fc6da/25ee342e53cc4c92a760b437a4b39147/FLAG3593f2769 [2020-08-21 17:24:23,519 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:24:23,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-08-21 17:24:23,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8335fc6da/25ee342e53cc4c92a760b437a4b39147/FLAG3593f2769 [2020-08-21 17:24:23,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8335fc6da/25ee342e53cc4c92a760b437a4b39147 [2020-08-21 17:24:23,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:24:23,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:24:23,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:24:23,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:24:23,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:24:23,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:24:23" (1/1) ... [2020-08-21 17:24:23,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:23, skipping insertion in model container [2020-08-21 17:24:23,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:24:23" (1/1) ... [2020-08-21 17:24:23,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:24:23,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:24:24,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:24:24,402 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:24:24,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:24:24,544 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:24:24,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24 WrapperNode [2020-08-21 17:24:24,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:24:24,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:24:24,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:24:24,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:24:24,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (1/1) ... [2020-08-21 17:24:24,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:24:24,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:24:24,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:24:24,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:24:24,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (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 [2020-08-21 17:24:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:24:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:24:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 17:24:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:24:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 17:24:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:24:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:24:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 17:24:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:24:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:24:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:24:26,127 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:24:26,128 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 17:24:26,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:24:26 BoogieIcfgContainer [2020-08-21 17:24:26,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:24:26,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:24:26,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:24:26,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:24:26,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:24:23" (1/3) ... [2020-08-21 17:24:26,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c0294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:24:26, skipping insertion in model container [2020-08-21 17:24:26,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:24:24" (2/3) ... [2020-08-21 17:24:26,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c0294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:24:26, skipping insertion in model container [2020-08-21 17:24:26,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:24:26" (3/3) ... [2020-08-21 17:24:26,155 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-08-21 17:24:26,169 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:24:26,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:24:26,202 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:24:26,236 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:24:26,237 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:24:26,237 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:24:26,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:24:26,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:24:26,238 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:24:26,238 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:24:26,238 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:24:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 17:24:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-21 17:24:26,280 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:26,281 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] [2020-08-21 17:24:26,282 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:26,288 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-08-21 17:24:26,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:26,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794652686] [2020-08-21 17:24:26,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:26,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:24:26,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794652686] [2020-08-21 17:24:26,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:24:26,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:24:26,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558379434] [2020-08-21 17:24:26,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:24:26,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:26,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:24:26,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:24:26,682 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 17:24:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:28,792 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 17:24:28,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:24:28,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-08-21 17:24:28,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:28,812 INFO L225 Difference]: With dead ends: 730 [2020-08-21 17:24:28,813 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 17:24:28,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:24:28,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 17:24:28,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 17:24:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 17:24:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 17:24:28,911 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 34 [2020-08-21 17:24:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:28,912 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 17:24:28,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:24:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 17:24:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-08-21 17:24:28,918 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:28,919 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 17:24:28,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:24:28,919 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:28,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:28,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1040118654, now seen corresponding path program 1 times [2020-08-21 17:24:28,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:28,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765407072] [2020-08-21 17:24:28,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:29,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:24:29,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765407072] [2020-08-21 17:24:29,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:24:29,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:24:29,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500337050] [2020-08-21 17:24:29,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:24:29,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:29,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:24:29,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:24:29,238 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 17:24:31,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:31,285 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-08-21 17:24:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 17:24:31,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-08-21 17:24:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:31,296 INFO L225 Difference]: With dead ends: 1490 [2020-08-21 17:24:31,297 INFO L226 Difference]: Without dead ends: 1055 [2020-08-21 17:24:31,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-21 17:24:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-08-21 17:24:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-08-21 17:24:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-08-21 17:24:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-08-21 17:24:31,368 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 116 [2020-08-21 17:24:31,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:31,369 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-08-21 17:24:31,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:24:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-08-21 17:24:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-21 17:24:31,378 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:31,379 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:31,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:24:31,380 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:31,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:31,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1418096050, now seen corresponding path program 1 times [2020-08-21 17:24:31,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:31,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091245841] [2020-08-21 17:24:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:24:31,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091245841] [2020-08-21 17:24:31,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:24:31,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 17:24:31,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389857191] [2020-08-21 17:24:31,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 17:24:31,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:31,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 17:24:31,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 17:24:31,704 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-08-21 17:24:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:33,190 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-08-21 17:24:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 17:24:33,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-08-21 17:24:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:33,205 INFO L225 Difference]: With dead ends: 1822 [2020-08-21 17:24:33,206 INFO L226 Difference]: Without dead ends: 1083 [2020-08-21 17:24:33,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-21 17:24:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-08-21 17:24:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-08-21 17:24:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-08-21 17:24:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-08-21 17:24:33,276 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 156 [2020-08-21 17:24:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:33,277 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-08-21 17:24:33,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 17:24:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-08-21 17:24:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-21 17:24:33,295 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:33,295 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:33,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:24:33,295 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:33,296 INFO L82 PathProgramCache]: Analyzing trace with hash 776423077, now seen corresponding path program 1 times [2020-08-21 17:24:33,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:33,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655251425] [2020-08-21 17:24:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:33,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 17:24:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 17:24:33,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655251425] [2020-08-21 17:24:33,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:33,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:24:33,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625438389] [2020-08-21 17:24:33,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:24:33,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:33,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:24:33,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:24:33,557 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-08-21 17:24:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:35,075 INFO L93 Difference]: Finished difference Result 2563 states and 3412 transitions. [2020-08-21 17:24:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 17:24:35,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-21 17:24:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:35,086 INFO L225 Difference]: With dead ends: 2563 [2020-08-21 17:24:35,086 INFO L226 Difference]: Without dead ends: 1514 [2020-08-21 17:24:35,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:24:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-08-21 17:24:35,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1206. [2020-08-21 17:24:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-21 17:24:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1556 transitions. [2020-08-21 17:24:35,144 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1556 transitions. Word has length 202 [2020-08-21 17:24:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:35,145 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1556 transitions. [2020-08-21 17:24:35,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:24:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1556 transitions. [2020-08-21 17:24:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-08-21 17:24:35,153 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:35,154 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 17:24:35,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:24:35,154 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:35,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1499058288, now seen corresponding path program 1 times [2020-08-21 17:24:35,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:35,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907250572] [2020-08-21 17:24:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:35,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:35,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-21 17:24:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 17:24:35,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907250572] [2020-08-21 17:24:35,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:35,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:24:35,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224173761] [2020-08-21 17:24:35,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:24:35,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:35,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:24:35,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:24:35,459 INFO L87 Difference]: Start difference. First operand 1206 states and 1556 transitions. Second operand 7 states. [2020-08-21 17:24:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:36,786 INFO L93 Difference]: Finished difference Result 2587 states and 3335 transitions. [2020-08-21 17:24:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 17:24:36,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-08-21 17:24:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:36,796 INFO L225 Difference]: With dead ends: 2587 [2020-08-21 17:24:36,797 INFO L226 Difference]: Without dead ends: 1387 [2020-08-21 17:24:36,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:24:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-08-21 17:24:36,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1206. [2020-08-21 17:24:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-21 17:24:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-08-21 17:24:36,842 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 203 [2020-08-21 17:24:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:36,843 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-08-21 17:24:36,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:24:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-08-21 17:24:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-08-21 17:24:36,849 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:36,849 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:36,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:24:36,850 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:36,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1638201038, now seen corresponding path program 1 times [2020-08-21 17:24:36,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:36,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554796326] [2020-08-21 17:24:36,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-21 17:24:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-21 17:24:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 89 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 17:24:37,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554796326] [2020-08-21 17:24:37,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:37,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 17:24:37,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065422159] [2020-08-21 17:24:37,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:24:37,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:37,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:24:37,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:24:37,313 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 10 states. [2020-08-21 17:24:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:41,691 INFO L93 Difference]: Finished difference Result 4332 states and 5677 transitions. [2020-08-21 17:24:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 17:24:41,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-08-21 17:24:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:41,719 INFO L225 Difference]: With dead ends: 4332 [2020-08-21 17:24:41,720 INFO L226 Difference]: Without dead ends: 3248 [2020-08-21 17:24:41,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-08-21 17:24:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2020-08-21 17:24:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2231. [2020-08-21 17:24:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-08-21 17:24:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2937 transitions. [2020-08-21 17:24:41,832 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2937 transitions. Word has length 282 [2020-08-21 17:24:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:41,832 INFO L479 AbstractCegarLoop]: Abstraction has 2231 states and 2937 transitions. [2020-08-21 17:24:41,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:24:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2937 transitions. [2020-08-21 17:24:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-21 17:24:41,844 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:41,845 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:41,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 17:24:41,845 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:41,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:41,846 INFO L82 PathProgramCache]: Analyzing trace with hash 606694202, now seen corresponding path program 1 times [2020-08-21 17:24:41,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:41,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372683098] [2020-08-21 17:24:41,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 17:24:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-21 17:24:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 167 proven. 158 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 17:24:42,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372683098] [2020-08-21 17:24:42,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:42,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 17:24:42,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702917694] [2020-08-21 17:24:42,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:24:42,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:42,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:24:42,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:24:42,609 INFO L87 Difference]: Start difference. First operand 2231 states and 2937 transitions. Second operand 11 states. [2020-08-21 17:24:43,296 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-08-21 17:24:46,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:46,025 INFO L93 Difference]: Finished difference Result 4488 states and 5998 transitions. [2020-08-21 17:24:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 17:24:46,026 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 318 [2020-08-21 17:24:46,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:46,038 INFO L225 Difference]: With dead ends: 4488 [2020-08-21 17:24:46,038 INFO L226 Difference]: Without dead ends: 2406 [2020-08-21 17:24:46,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-08-21 17:24:46,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-08-21 17:24:46,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2235. [2020-08-21 17:24:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 17:24:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2881 transitions. [2020-08-21 17:24:46,127 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2881 transitions. Word has length 318 [2020-08-21 17:24:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:46,128 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2881 transitions. [2020-08-21 17:24:46,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:24:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2881 transitions. [2020-08-21 17:24:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-08-21 17:24:46,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:46,142 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:46,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 17:24:46,143 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1438676915, now seen corresponding path program 1 times [2020-08-21 17:24:46,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:46,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984529082] [2020-08-21 17:24:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:46,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-21 17:24:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 17:24:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-08-21 17:24:46,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984529082] [2020-08-21 17:24:46,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:46,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 17:24:46,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127558240] [2020-08-21 17:24:46,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 17:24:46,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:46,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 17:24:46,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:24:46,577 INFO L87 Difference]: Start difference. First operand 2235 states and 2881 transitions. Second operand 7 states. [2020-08-21 17:24:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:48,070 INFO L93 Difference]: Finished difference Result 5209 states and 6852 transitions. [2020-08-21 17:24:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 17:24:48,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-08-21 17:24:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:48,088 INFO L225 Difference]: With dead ends: 5209 [2020-08-21 17:24:48,089 INFO L226 Difference]: Without dead ends: 3123 [2020-08-21 17:24:48,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:24:48,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2020-08-21 17:24:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2962. [2020-08-21 17:24:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2962 states. [2020-08-21 17:24:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 3768 transitions. [2020-08-21 17:24:48,227 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 3768 transitions. Word has length 337 [2020-08-21 17:24:48,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:48,228 INFO L479 AbstractCegarLoop]: Abstraction has 2962 states and 3768 transitions. [2020-08-21 17:24:48,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 17:24:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3768 transitions. [2020-08-21 17:24:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-21 17:24:48,238 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:48,239 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:48,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 17:24:48,240 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:48,240 INFO L82 PathProgramCache]: Analyzing trace with hash 452449707, now seen corresponding path program 1 times [2020-08-21 17:24:48,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:48,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339018946] [2020-08-21 17:24:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:48,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-21 17:24:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:48,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-21 17:24:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 170 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-08-21 17:24:48,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339018946] [2020-08-21 17:24:48,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:48,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 17:24:48,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718246413] [2020-08-21 17:24:48,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:24:48,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:48,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:24:48,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:24:48,758 INFO L87 Difference]: Start difference. First operand 2962 states and 3768 transitions. Second operand 9 states. [2020-08-21 17:24:51,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:51,321 INFO L93 Difference]: Finished difference Result 6369 states and 8193 transitions. [2020-08-21 17:24:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 17:24:51,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-21 17:24:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:51,338 INFO L225 Difference]: With dead ends: 6369 [2020-08-21 17:24:51,338 INFO L226 Difference]: Without dead ends: 3556 [2020-08-21 17:24:51,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-08-21 17:24:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2020-08-21 17:24:51,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3407. [2020-08-21 17:24:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-08-21 17:24:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4305 transitions. [2020-08-21 17:24:51,446 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4305 transitions. Word has length 341 [2020-08-21 17:24:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:51,447 INFO L479 AbstractCegarLoop]: Abstraction has 3407 states and 4305 transitions. [2020-08-21 17:24:51,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:24:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4305 transitions. [2020-08-21 17:24:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-08-21 17:24:51,458 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:24:51,459 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 17:24:51,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 17:24:51,459 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:24:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:24:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1521404487, now seen corresponding path program 1 times [2020-08-21 17:24:51,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:24:51,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517680502] [2020-08-21 17:24:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:24:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:51,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:24:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:51,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 17:24:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 17:24:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-21 17:24:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:24:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-21 17:24:51,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517680502] [2020-08-21 17:24:51,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 17:24:51,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 17:24:51,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759314041] [2020-08-21 17:24:51,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 17:24:51,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:24:51,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 17:24:51,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-21 17:24:51,963 INFO L87 Difference]: Start difference. First operand 3407 states and 4305 transitions. Second operand 11 states. [2020-08-21 17:24:57,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:24:57,377 INFO L93 Difference]: Finished difference Result 7253 states and 9195 transitions. [2020-08-21 17:24:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 17:24:57,377 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 343 [2020-08-21 17:24:57,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:24:57,378 INFO L225 Difference]: With dead ends: 7253 [2020-08-21 17:24:57,378 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:24:57,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2020-08-21 17:24:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:24:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:24:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:24:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:24:57,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-08-21 17:24:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:24:57,393 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:24:57,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 17:24:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:24:57,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:24:57,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 17:24:57,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:24:58,043 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-21 17:24:58,268 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 144 [2020-08-21 17:24:59,200 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-08-21 17:24:59,774 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-21 17:25:00,344 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2020-08-21 17:25:00,348 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:25:00,348 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,349 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 17:25:00,350 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,351 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 17:25:00,352 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,353 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 17:25:00,354 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 17:25:00,355 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 17:25:00,356 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,357 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 17:25:00,358 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 17:25:00,359 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,360 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 17:25:00,361 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,362 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 17:25:00,363 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 17:25:00,364 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (not (= 2 |old(~a10~0)|)) .cse4) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse1 .cse3 .cse4) (or .cse1 (not (= |old(~a10~0)| 1)) .cse3 .cse4))) [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,365 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 17:25:00,366 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 17:25:00,367 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 17:25:00,368 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 17:25:00,369 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,370 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 17:25:00,371 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:25:00,372 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 17:25:00,373 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:25:00,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:25:00,373 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-21 17:25:00,373 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 17:25:00,373 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 17:25:00,373 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 17:25:00,373 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 17:25:00,374 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (not (= 7 ~a19~0))) (.cse2 (= 0 |old(~a10~0)|)) (.cse3 (= ~a10~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and (= ~a10~0 2) .cse0 .cse2) (and (<= ~a10~0 0) .cse1 .cse2) (and (= ~a19~0 8) .cse3 (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 17:25:00,374 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 17:25:00,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:25:00 BoogieIcfgContainer [2020-08-21 17:25:00,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:25:00,409 INFO L168 Benchmark]: Toolchain (without parser) took 36632.80 ms. Allocated memory was 140.5 MB in the beginning and 627.0 MB in the end (delta: 486.5 MB). Free memory was 101.3 MB in the beginning and 395.4 MB in the end (delta: -294.1 MB). Peak memory consumption was 466.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,410 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.48 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 168.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,415 INFO L168 Benchmark]: Boogie Preprocessor took 136.09 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,419 INFO L168 Benchmark]: RCFGBuilder took 1458.93 ms. Allocated memory was 203.4 MB in the beginning and 238.6 MB in the end (delta: 35.1 MB). Free memory was 164.0 MB in the beginning and 180.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,421 INFO L168 Benchmark]: TraceAbstraction took 34263.64 ms. Allocated memory was 238.6 MB in the beginning and 627.0 MB in the end (delta: 388.5 MB). Free memory was 179.4 MB in the beginning and 405.4 MB in the end (delta: -226.0 MB). Peak memory consumption was 446.4 MB. Max. memory is 7.1 GB. [2020-08-21 17:25:00,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.48 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 168.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.09 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1458.93 ms. Allocated memory was 203.4 MB in the beginning and 238.6 MB in the end (delta: 35.1 MB). Free memory was 164.0 MB in the beginning and 180.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34263.64 ms. Allocated memory was 238.6 MB in the beginning and 627.0 MB in the end (delta: 388.5 MB). Free memory was 179.4 MB in the beginning and 405.4 MB in the end (delta: -226.0 MB). Peak memory consumption was 446.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && !(7 == a19)) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a10 <= 0 && !(7 == a19)) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321 SDtfs, 6801 SDslu, 489 SDs, 0 SdLazy, 14651 SolverSat, 2532 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3407occurred 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2331 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 135 PreInvPairs, 195 NumberOfFragments, 384 HoareAnnotationTreeSize, 135 FomulaSimplifications, 45664 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14335 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1721209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1417/1972 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...