/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:09:01,184 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 21:09:01,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:09:01,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:09:01,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:09:01,297 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 [2020-08-18 21:09:01,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:09:01,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:09:01,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:09:01,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:09:01,322 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:09:01,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:09:01,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:09:01,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:09:01,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:09:01,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:09:01,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:09:01,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:09:01,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:09:01,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:09:01,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:09:01,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:09:01,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:09:01,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:09:01,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:09:01,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 21:09:01,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:09:01,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:09:01,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:09:01,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:09:01,677 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:09:01,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-08-18 21:09:01,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7338c3f42/15484343563f47ac95b55b5e6c2a9a09/FLAGf08007d10 [2020-08-18 21:09:02,375 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:09:02,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-08-18 21:09:02,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7338c3f42/15484343563f47ac95b55b5e6c2a9a09/FLAGf08007d10 [2020-08-18 21:09:02,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7338c3f42/15484343563f47ac95b55b5e6c2a9a09 [2020-08-18 21:09:02,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:09:02,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:09:02,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:09:02,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:09:02,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:09:02,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:09:02" (1/1) ... [2020-08-18 21:09:02,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566ddefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:02, skipping insertion in model container [2020-08-18 21:09:02,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:09:02" (1/1) ... [2020-08-18 21:09:02,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:09:02,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:09:03,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:09:03,242 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:09:03,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:09:03,378 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:09:03,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03 WrapperNode [2020-08-18 21:09:03,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:09:03,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:09:03,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:09:03,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:09:03,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (1/1) ... [2020-08-18 21:09:03,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:09:03,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:09:03,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:09:03,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:09:03,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (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 [2020-08-18 21:09:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:09:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:09:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 21:09:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:09:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:09:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:09:04,722 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:09:04,722 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 21:09:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:09:04 BoogieIcfgContainer [2020-08-18 21:09:04,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:09:04,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:09:04,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:09:04,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:09:04,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:09:02" (1/3) ... [2020-08-18 21:09:04,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3386592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:09:04, skipping insertion in model container [2020-08-18 21:09:04,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:09:03" (2/3) ... [2020-08-18 21:09:04,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3386592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:09:04, skipping insertion in model container [2020-08-18 21:09:04,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:09:04" (3/3) ... [2020-08-18 21:09:04,745 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-08-18 21:09:04,756 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:09:04,765 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:09:04,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:09:04,807 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:09:04,807 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:09:04,807 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:09:04,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:09:04,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:09:04,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:09:04,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:09:04,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:09:04,832 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 21:09:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-18 21:09:04,845 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:04,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:04,850 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:04,858 INFO L82 PathProgramCache]: Analyzing trace with hash 597031182, now seen corresponding path program 1 times [2020-08-18 21:09:04,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:04,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388869421] [2020-08-18 21:09:04,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:05,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:05,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388869421] [2020-08-18 21:09:05,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:09:05,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:09:05,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791703037] [2020-08-18 21:09:05,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:09:05,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:09:05,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:09:05,518 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-18 21:09:06,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:06,912 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-08-18 21:09:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:09:06,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-08-18 21:09:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:06,931 INFO L225 Difference]: With dead ends: 557 [2020-08-18 21:09:06,931 INFO L226 Difference]: Without dead ends: 286 [2020-08-18 21:09:06,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:09:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-18 21:09:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-18 21:09:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-18 21:09:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-08-18 21:09:07,014 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 120 [2020-08-18 21:09:07,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:07,015 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-08-18 21:09:07,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:09:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-08-18 21:09:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-18 21:09:07,020 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:07,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:07,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:09:07,021 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:07,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:07,021 INFO L82 PathProgramCache]: Analyzing trace with hash 330455461, now seen corresponding path program 1 times [2020-08-18 21:09:07,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:07,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583185832] [2020-08-18 21:09:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:07,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:07,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583185832] [2020-08-18 21:09:07,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:09:07,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:09:07,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519463986] [2020-08-18 21:09:07,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:09:07,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:07,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:09:07,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:09:07,308 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-08-18 21:09:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:08,851 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-08-18 21:09:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:09:08,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-08-18 21:09:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:08,859 INFO L225 Difference]: With dead ends: 713 [2020-08-18 21:09:08,859 INFO L226 Difference]: Without dead ends: 439 [2020-08-18 21:09:08,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:09:08,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-18 21:09:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-08-18 21:09:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-08-18 21:09:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-08-18 21:09:08,920 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 130 [2020-08-18 21:09:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:08,921 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-08-18 21:09:08,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:09:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-08-18 21:09:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-08-18 21:09:08,924 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:08,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:08,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:09:08,925 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:08,926 INFO L82 PathProgramCache]: Analyzing trace with hash -46995225, now seen corresponding path program 1 times [2020-08-18 21:09:08,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:08,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879361481] [2020-08-18 21:09:08,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:09,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:09,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879361481] [2020-08-18 21:09:09,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:09:09,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 21:09:09,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074118702] [2020-08-18 21:09:09,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:09:09,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:09,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:09:09,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:09:09,391 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 6 states. [2020-08-18 21:09:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:10,752 INFO L93 Difference]: Finished difference Result 945 states and 1358 transitions. [2020-08-18 21:09:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:09:10,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-08-18 21:09:10,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:10,755 INFO L225 Difference]: With dead ends: 945 [2020-08-18 21:09:10,756 INFO L226 Difference]: Without dead ends: 427 [2020-08-18 21:09:10,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:09:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-08-18 21:09:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2020-08-18 21:09:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-08-18 21:09:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 552 transitions. [2020-08-18 21:09:10,790 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 552 transitions. Word has length 131 [2020-08-18 21:09:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:10,791 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 552 transitions. [2020-08-18 21:09:10,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:09:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 552 transitions. [2020-08-18 21:09:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 21:09:10,795 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:10,795 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:10,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:09:10,795 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1746951265, now seen corresponding path program 1 times [2020-08-18 21:09:10,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:10,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317836234] [2020-08-18 21:09:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:11,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:11,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317836234] [2020-08-18 21:09:11,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:09:11,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:09:11,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775909965] [2020-08-18 21:09:11,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:09:11,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:11,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:09:11,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:09:11,369 INFO L87 Difference]: Start difference. First operand 419 states and 552 transitions. Second operand 7 states. [2020-08-18 21:09:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:12,652 INFO L93 Difference]: Finished difference Result 924 states and 1249 transitions. [2020-08-18 21:09:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:09:12,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-08-18 21:09:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:12,658 INFO L225 Difference]: With dead ends: 924 [2020-08-18 21:09:12,659 INFO L226 Difference]: Without dead ends: 427 [2020-08-18 21:09:12,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:09:12,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-08-18 21:09:12,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2020-08-18 21:09:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-08-18 21:09:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 549 transitions. [2020-08-18 21:09:12,709 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 549 transitions. Word has length 132 [2020-08-18 21:09:12,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:12,709 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 549 transitions. [2020-08-18 21:09:12,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:09:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 549 transitions. [2020-08-18 21:09:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-18 21:09:12,721 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:12,721 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:12,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:09:12,722 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:12,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1219225115, now seen corresponding path program 1 times [2020-08-18 21:09:12,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:12,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075004095] [2020-08-18 21:09:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:12,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:12,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075004095] [2020-08-18 21:09:12,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:09:12,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 21:09:12,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869155571] [2020-08-18 21:09:12,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:09:12,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:09:12,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:09:12,996 INFO L87 Difference]: Start difference. First operand 419 states and 549 transitions. Second operand 6 states. [2020-08-18 21:09:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:14,537 INFO L93 Difference]: Finished difference Result 1666 states and 2284 transitions. [2020-08-18 21:09:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:09:14,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-08-18 21:09:14,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:14,545 INFO L225 Difference]: With dead ends: 1666 [2020-08-18 21:09:14,546 INFO L226 Difference]: Without dead ends: 1253 [2020-08-18 21:09:14,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:09:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-08-18 21:09:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1245. [2020-08-18 21:09:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-08-18 21:09:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1607 transitions. [2020-08-18 21:09:14,593 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1607 transitions. Word has length 137 [2020-08-18 21:09:14,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:14,594 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1607 transitions. [2020-08-18 21:09:14,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:09:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1607 transitions. [2020-08-18 21:09:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-18 21:09:14,600 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:14,601 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:14,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:09:14,603 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:14,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:14,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1710204053, now seen corresponding path program 1 times [2020-08-18 21:09:14,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:14,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881989536] [2020-08-18 21:09:14,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:14,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:09:14,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881989536] [2020-08-18 21:09:14,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:09:14,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 21:09:14,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893175031] [2020-08-18 21:09:14,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:09:14,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:09:14,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:09:14,783 INFO L87 Difference]: Start difference. First operand 1245 states and 1607 transitions. Second operand 8 states. [2020-08-18 21:09:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:16,600 INFO L93 Difference]: Finished difference Result 3638 states and 5048 transitions. [2020-08-18 21:09:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 21:09:16,606 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-18 21:09:16,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:16,627 INFO L225 Difference]: With dead ends: 3638 [2020-08-18 21:09:16,627 INFO L226 Difference]: Without dead ends: 2399 [2020-08-18 21:09:16,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-08-18 21:09:16,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2020-08-18 21:09:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 2224. [2020-08-18 21:09:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-08-18 21:09:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 2840 transitions. [2020-08-18 21:09:16,730 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 2840 transitions. Word has length 138 [2020-08-18 21:09:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:16,730 INFO L479 AbstractCegarLoop]: Abstraction has 2224 states and 2840 transitions. [2020-08-18 21:09:16,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:09:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2840 transitions. [2020-08-18 21:09:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-18 21:09:16,737 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:16,738 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:16,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:09:16,738 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:16,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:16,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1422723674, now seen corresponding path program 1 times [2020-08-18 21:09:16,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:16,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203856565] [2020-08-18 21:09:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:16,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 21:09:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 21:09:16,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203856565] [2020-08-18 21:09:16,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:09:16,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 21:09:16,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277009192] [2020-08-18 21:09:16,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 21:09:16,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:16,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 21:09:16,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 21:09:16,930 INFO L87 Difference]: Start difference. First operand 2224 states and 2840 transitions. Second operand 7 states. [2020-08-18 21:09:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:18,170 INFO L93 Difference]: Finished difference Result 4752 states and 6199 transitions. [2020-08-18 21:09:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:09:18,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-08-18 21:09:18,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:18,185 INFO L225 Difference]: With dead ends: 4752 [2020-08-18 21:09:18,185 INFO L226 Difference]: Without dead ends: 2534 [2020-08-18 21:09:18,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:09:18,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-08-18 21:09:18,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2115. [2020-08-18 21:09:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2020-08-18 21:09:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2635 transitions. [2020-08-18 21:09:18,273 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2635 transitions. Word has length 153 [2020-08-18 21:09:18,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:18,274 INFO L479 AbstractCegarLoop]: Abstraction has 2115 states and 2635 transitions. [2020-08-18 21:09:18,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 21:09:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2635 transitions. [2020-08-18 21:09:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-08-18 21:09:18,283 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:09:18,283 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:09:18,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 21:09:18,284 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:09:18,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:09:18,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1579699882, now seen corresponding path program 1 times [2020-08-18 21:09:18,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:09:18,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621032960] [2020-08-18 21:09:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:09:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:09:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:18,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 21:09:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 21:09:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:09:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-18 21:09:18,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621032960] [2020-08-18 21:09:18,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:09:18,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 21:09:18,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215347867] [2020-08-18 21:09:18,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 21:09:18,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:09:18,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 21:09:18,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:09:18,580 INFO L87 Difference]: Start difference. First operand 2115 states and 2635 transitions. Second operand 5 states. [2020-08-18 21:09:19,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:09:19,631 INFO L93 Difference]: Finished difference Result 4361 states and 5462 transitions. [2020-08-18 21:09:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:09:19,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-08-18 21:09:19,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:09:19,632 INFO L225 Difference]: With dead ends: 4361 [2020-08-18 21:09:19,632 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:09:19,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:09:19,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:09:19,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:09:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:09:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:09:19,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-08-18 21:09:19,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:09:19,647 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:09:19,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 21:09:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:09:19,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:09:19,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 21:09:19,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:09:19,992 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 115 [2020-08-18 21:09:20,142 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 115 [2020-08-18 21:09:21,061 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-08-18 21:09:21,366 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2020-08-18 21:09:21,617 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2020-08-18 21:09:21,620 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:09:21,621 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-18 21:09:21,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:09:21,621 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 21:09:21,621 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 21:09:21,621 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,621 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,622 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,622 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,622 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,622 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,622 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 21:09:21,623 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 21:09:21,623 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 21:09:21,623 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 21:09:21,623 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 21:09:21,624 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 21:09:21,625 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 21:09:21,626 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 21:09:21,627 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,628 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 21:09:21,629 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 21:09:21,630 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 21:09:21,631 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,632 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,633 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 21:09:21,634 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,635 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 21:09:21,636 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 21:09:21,637 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (= |old(~a17~0)| 1)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a8~0 |old(~a8~0)|)) (.cse9 (= |old(~a21~0)| 1)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse12 (= |old(~a8~0)| 13))) (let ((.cse0 (not .cse12)) (.cse2 (and .cse13 .cse18 (= ~a21~0 1) .cse15 (= ~a8~0 13) (= ~a16~0 4))) (.cse3 (not .cse9)) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (not (<= |old(~a16~0)| 5))) (.cse7 (and .cse18 .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse10 (not .cse8)) (.cse11 (and .cse13 .cse14 .cse15 .cse16 .cse17 (= ~a17~0 1))) (.cse1 (not (= |old(~a20~0)| 1))) (.cse4 (not (= ~a12~0 8)))) (and (or .cse0 (not (= |old(~a7~0)| 1)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4) (or .cse7 (not (<= |old(~a17~0)| 0)) .cse9 .cse4) (or .cse0 (not (<= |old(~a7~0)| 0)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse10 (not (<= 5 |old(~a16~0)|)) .cse11 .cse1 .cse4) (or .cse6 .cse7 .cse9 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse7 .cse4) (or .cse10 .cse11 .cse12 .cse1 .cse4)))) [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 21:09:21,638 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 21:09:21,639 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 21:09:21,640 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,641 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 21:09:21,642 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 21:09:21,643 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 21:09:21,644 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 21:09:21,645 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 21:09:21,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:09:21,646 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (= ~a20~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-18 21:09:21,646 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:09:21,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:09:21,646 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= ~a12~0 8))) [2020-08-18 21:09:21,646 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 21:09:21,647 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse4 (<= ~a16~0 5)) (.cse2 (not (= ~a21~0 1))) (.cse0 (= ~a20~0 1)) (.cse1 (= ~a17~0 1))) (or (not (<= 5 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= 5 ~a16~0) .cse1) (and (<= ~a17~0 0) .cse2) (and (= ~a7~0 1) .cse0 .cse3) (and (<= ~a7~0 0) .cse0 .cse3) (<= 15 ~a8~0) (not (= |old(~a17~0)| 1)) (and .cse4 (not .cse1)) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and (not (= ~a8~0 13)) .cse0 .cse1) (not (= ~a12~0 8)))) [2020-08-18 21:09:21,647 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 21:09:21,647 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 21:09:21,647 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse4 (<= ~a16~0 5)) (.cse2 (not (= ~a21~0 1))) (.cse0 (= ~a20~0 1)) (.cse1 (= ~a17~0 1))) (or (not (<= 5 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= 5 ~a16~0) .cse1) (and (<= ~a17~0 0) .cse2) (and (= ~a7~0 1) .cse0 .cse3) (and (<= ~a7~0 0) .cse0 .cse3) (<= 15 ~a8~0) (not (= |old(~a17~0)| 1)) (and .cse4 (not .cse1)) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and (not (= ~a8~0 13)) .cse0 .cse1) (not (= ~a12~0 8)))) [2020-08-18 21:09:21,647 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 21:09:21,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:09:21 BoogieIcfgContainer [2020-08-18 21:09:21,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:09:21,676 INFO L168 Benchmark]: Toolchain (without parser) took 19034.76 ms. Allocated memory was 139.5 MB in the beginning and 454.6 MB in the end (delta: 315.1 MB). Free memory was 100.6 MB in the beginning and 204.6 MB in the end (delta: -104.0 MB). Peak memory consumption was 330.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:09:21,677 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 21:09:21,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.41 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-08-18 21:09:21,679 INFO L168 Benchmark]: Boogie Preprocessor took 126.56 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 164.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:09:21,680 INFO L168 Benchmark]: RCFGBuilder took 1225.24 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.4 MB in the beginning and 179.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-08-18 21:09:21,681 INFO L168 Benchmark]: TraceAbstraction took 16938.26 ms. Allocated memory was 237.0 MB in the beginning and 454.6 MB in the end (delta: 217.6 MB). Free memory was 179.1 MB in the beginning and 204.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:09:21,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.41 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.56 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 164.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.24 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.4 MB in the beginning and 179.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16938.26 ms. Allocated memory was 237.0 MB in the beginning and 454.6 MB in the end (delta: 217.6 MB). Free memory was 179.1 MB in the beginning and 204.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(5 <= \old(a16)) || !(\old(a20) == 1)) || ((a20 == 1 && 5 <= a16) && a17 == 1)) || (a17 <= 0 && !(a21 == 1))) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 <= 0 && a20 == 1) && a16 == 4)) || 15 <= a8) || !(\old(a17) == 1)) || (a16 <= 5 && !(a17 == 1))) || !(\old(a16) <= 5)) || (a16 <= 5 && !(a21 == 1))) || !(15 <= \old(a8))) || ((!(a8 == 13) && a20 == 1) && a17 == 1)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 3174 SDslu, 251 SDs, 0 SdLazy, 5652 SolverSat, 947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2224occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 642 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 77 PreInvPairs, 115 NumberOfFragments, 589 HoareAnnotationTreeSize, 77 FomulaSimplifications, 79155 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6434 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1117 ConstructedInterpolants, 0 QuantifiedInterpolants, 936483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 161/168 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...