/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=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:55:32,982 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 17:55:33,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:55:33,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:55:33,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:55:33,096 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 17:55:33,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:55:33,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:55:33,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:55:33,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:55:33,120 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:55:33,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:55:33,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:55:33,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:55:33,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:55:33,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:55:33,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:55:33,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:55:33,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:55:33,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:55:33,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:55:33,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:55:33,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:55:33,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:55:33,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:55:33,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:55:33,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:55:33,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:55:33,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:55:33,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:55:33,125 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=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:55:33,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:55:33,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:55:33,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:55:33,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:55:33,479 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:55:33,480 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-08-18 17:55:33,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/083aa0635/2b55880e837b40e384dccdb89ec0ab79/FLAG3802a9aff [2020-08-18 17:55:34,120 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:55:34,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-08-18 17:55:34,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/083aa0635/2b55880e837b40e384dccdb89ec0ab79/FLAG3802a9aff [2020-08-18 17:55:34,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/083aa0635/2b55880e837b40e384dccdb89ec0ab79 [2020-08-18 17:55:34,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:55:34,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:55:34,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:55:34,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:55:34,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:55:34,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:55:34" (1/1) ... [2020-08-18 17:55:34,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef00bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:34, skipping insertion in model container [2020-08-18 17:55:34,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:55:34" (1/1) ... [2020-08-18 17:55:34,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:55:34,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:55:35,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:55:35,079 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:55:35,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:55:35,192 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:55:35,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35 WrapperNode [2020-08-18 17:55:35,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:55:35,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:55:35,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:55:35,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:55:35,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (1/1) ... [2020-08-18 17:55:35,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:55:35,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:55:35,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:55:35,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:55:35,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (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 17:55:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:55:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:55:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 17:55:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:55:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 17:55:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:55:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:55:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 17:55:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:55:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:55:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:55:36,582 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:55:36,583 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 17:55:36,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:55:36 BoogieIcfgContainer [2020-08-18 17:55:36,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:55:36,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:55:36,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:55:36,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:55:36,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:55:34" (1/3) ... [2020-08-18 17:55:36,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30af35da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:55:36, skipping insertion in model container [2020-08-18 17:55:36,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:55:35" (2/3) ... [2020-08-18 17:55:36,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30af35da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:55:36, skipping insertion in model container [2020-08-18 17:55:36,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:55:36" (3/3) ... [2020-08-18 17:55:36,606 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2020-08-18 17:55:36,617 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:55:36,631 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:55:36,647 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:55:36,680 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:55:36,681 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:55:36,681 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:55:36,682 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:55:36,682 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:55:36,682 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:55:36,682 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:55:36,682 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:55:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 17:55:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-18 17:55:36,713 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:36,714 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] [2020-08-18 17:55:36,715 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1048845111, now seen corresponding path program 1 times [2020-08-18 17:55:36,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:36,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954217191] [2020-08-18 17:55:36,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:37,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:37,290 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 17:55:37,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954217191] [2020-08-18 17:55:37,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:55:37,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:55:37,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855890771] [2020-08-18 17:55:37,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:55:37,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:37,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:55:37,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:55:37,319 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-18 17:55:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:38,861 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-08-18 17:55:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:55:38,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-08-18 17:55:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:38,893 INFO L225 Difference]: With dead ends: 557 [2020-08-18 17:55:38,893 INFO L226 Difference]: Without dead ends: 286 [2020-08-18 17:55:38,904 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 17:55:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-18 17:55:39,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-08-18 17:55:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-18 17:55:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2020-08-18 17:55:39,029 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 113 [2020-08-18 17:55:39,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:39,031 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2020-08-18 17:55:39,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:55:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2020-08-18 17:55:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-18 17:55:39,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:39,053 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-18 17:55:39,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:55:39,054 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:39,055 INFO L82 PathProgramCache]: Analyzing trace with hash -751137862, now seen corresponding path program 1 times [2020-08-18 17:55:39,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:39,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133091797] [2020-08-18 17:55:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:39,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:55:39,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133091797] [2020-08-18 17:55:39,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:55:39,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:55:39,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275847943] [2020-08-18 17:55:39,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:55:39,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:39,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:55:39,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:55:39,308 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2020-08-18 17:55:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:41,217 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2020-08-18 17:55:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 17:55:41,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-08-18 17:55:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:41,227 INFO L225 Difference]: With dead ends: 987 [2020-08-18 17:55:41,227 INFO L226 Difference]: Without dead ends: 713 [2020-08-18 17:55:41,229 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 17:55:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-08-18 17:55:41,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2020-08-18 17:55:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-08-18 17:55:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions. [2020-08-18 17:55:41,281 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 122 [2020-08-18 17:55:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:41,281 INFO L479 AbstractCegarLoop]: Abstraction has 699 states and 978 transitions. [2020-08-18 17:55:41,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:55:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions. [2020-08-18 17:55:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-08-18 17:55:41,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:41,289 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:55:41,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:55:41,290 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1259193839, now seen corresponding path program 1 times [2020-08-18 17:55:41,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:41,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756092576] [2020-08-18 17:55:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:41,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:41,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 17:55:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:55:41,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756092576] [2020-08-18 17:55:41,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:55:41,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:55:41,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928307714] [2020-08-18 17:55:41,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:55:41,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:41,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:55:41,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:55:41,524 INFO L87 Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 7 states. [2020-08-18 17:55:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:42,828 INFO L93 Difference]: Finished difference Result 1692 states and 2446 transitions. [2020-08-18 17:55:42,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:55:42,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-08-18 17:55:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:42,841 INFO L225 Difference]: With dead ends: 1692 [2020-08-18 17:55:42,842 INFO L226 Difference]: Without dead ends: 999 [2020-08-18 17:55:42,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 17:55:42,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-08-18 17:55:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 838. [2020-08-18 17:55:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-08-18 17:55:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1174 transitions. [2020-08-18 17:55:42,907 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1174 transitions. Word has length 147 [2020-08-18 17:55:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:42,908 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 1174 transitions. [2020-08-18 17:55:42,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:55:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1174 transitions. [2020-08-18 17:55:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-18 17:55:42,915 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:42,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:42,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:55:42,916 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:42,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1955072359, now seen corresponding path program 1 times [2020-08-18 17:55:42,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:42,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095897478] [2020-08-18 17:55:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 17:55:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:55:43,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095897478] [2020-08-18 17:55:43,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:55:43,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:55:43,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551735435] [2020-08-18 17:55:43,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:55:43,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:43,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:55:43,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:55:43,201 INFO L87 Difference]: Start difference. First operand 838 states and 1174 transitions. Second operand 7 states. [2020-08-18 17:55:44,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:44,915 INFO L93 Difference]: Finished difference Result 2117 states and 3037 transitions. [2020-08-18 17:55:44,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:55:44,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-08-18 17:55:44,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:44,928 INFO L225 Difference]: With dead ends: 2117 [2020-08-18 17:55:44,929 INFO L226 Difference]: Without dead ends: 1285 [2020-08-18 17:55:44,933 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 17:55:44,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2020-08-18 17:55:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 995. [2020-08-18 17:55:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-08-18 17:55:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1310 transitions. [2020-08-18 17:55:45,002 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1310 transitions. Word has length 151 [2020-08-18 17:55:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:45,002 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1310 transitions. [2020-08-18 17:55:45,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:55:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1310 transitions. [2020-08-18 17:55:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-18 17:55:45,008 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:45,008 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 17:55:45,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:55:45,008 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:45,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:45,009 INFO L82 PathProgramCache]: Analyzing trace with hash 57012698, now seen corresponding path program 1 times [2020-08-18 17:55:45,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:45,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143686227] [2020-08-18 17:55:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:45,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:45,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 17:55:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:45,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 17:55:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 17:55:45,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143686227] [2020-08-18 17:55:45,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:55:45,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 17:55:45,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977776377] [2020-08-18 17:55:45,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:55:45,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:45,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:55:45,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:55:45,295 INFO L87 Difference]: Start difference. First operand 995 states and 1310 transitions. Second operand 8 states. [2020-08-18 17:55:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:47,515 INFO L93 Difference]: Finished difference Result 2846 states and 3855 transitions. [2020-08-18 17:55:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 17:55:47,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-08-18 17:55:47,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:47,526 INFO L225 Difference]: With dead ends: 2846 [2020-08-18 17:55:47,526 INFO L226 Difference]: Without dead ends: 1857 [2020-08-18 17:55:47,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-08-18 17:55:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2020-08-18 17:55:47,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1704. [2020-08-18 17:55:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-08-18 17:55:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2134 transitions. [2020-08-18 17:55:47,585 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2134 transitions. Word has length 180 [2020-08-18 17:55:47,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:47,586 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 2134 transitions. [2020-08-18 17:55:47,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:55:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2134 transitions. [2020-08-18 17:55:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-18 17:55:47,593 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:47,593 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 17:55:47,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:55:47,594 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:47,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1745009230, now seen corresponding path program 1 times [2020-08-18 17:55:47,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:47,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787621409] [2020-08-18 17:55:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:47,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:47,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 17:55:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:47,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-18 17:55:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-08-18 17:55:47,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787621409] [2020-08-18 17:55:47,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:55:47,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:55:47,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285845071] [2020-08-18 17:55:47,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:55:47,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:47,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:55:47,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:55:47,841 INFO L87 Difference]: Start difference. First operand 1704 states and 2134 transitions. Second operand 5 states. [2020-08-18 17:55:49,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:49,007 INFO L93 Difference]: Finished difference Result 3273 states and 4113 transitions. [2020-08-18 17:55:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:55:49,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-08-18 17:55:49,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:49,015 INFO L225 Difference]: With dead ends: 3273 [2020-08-18 17:55:49,015 INFO L226 Difference]: Without dead ends: 1710 [2020-08-18 17:55:49,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:55:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-08-18 17:55:49,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1702. [2020-08-18 17:55:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2020-08-18 17:55:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2037 transitions. [2020-08-18 17:55:49,079 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2037 transitions. Word has length 200 [2020-08-18 17:55:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:49,081 INFO L479 AbstractCegarLoop]: Abstraction has 1702 states and 2037 transitions. [2020-08-18 17:55:49,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:55:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2037 transitions. [2020-08-18 17:55:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-08-18 17:55:49,088 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:55:49,088 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, 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] [2020-08-18 17:55:49,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 17:55:49,088 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:55:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:55:49,089 INFO L82 PathProgramCache]: Analyzing trace with hash 859264267, now seen corresponding path program 1 times [2020-08-18 17:55:49,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:55:49,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129319480] [2020-08-18 17:55:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:55:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:55:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:49,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:55:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 17:55:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:55:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-18 17:55:49,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129319480] [2020-08-18 17:55:49,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:55:49,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:55:49,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185921307] [2020-08-18 17:55:49,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:55:49,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:55:49,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:55:49,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:55:49,370 INFO L87 Difference]: Start difference. First operand 1702 states and 2037 transitions. Second operand 5 states. [2020-08-18 17:55:50,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:55:50,563 INFO L93 Difference]: Finished difference Result 3688 states and 4440 transitions. [2020-08-18 17:55:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:55:50,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-08-18 17:55:50,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:55:50,565 INFO L225 Difference]: With dead ends: 3688 [2020-08-18 17:55:50,565 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:55:50,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 17:55:50,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:55:50,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:55:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:55:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:55:50,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-08-18 17:55:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:55:50,576 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:55:50,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:55:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:55:50,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:55:50,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 17:55:50,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:55:51,382 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 46 [2020-08-18 17:55:51,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:55:51,538 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 17:55:51,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:55:51,538 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 17:55:51,538 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,539 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 17:55:51,540 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 17:55:51,541 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 17:55:51,542 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,542 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,542 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,542 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 17:55:51,543 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 17:55:51,544 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-08-18 17:55:51,545 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 17:55:51,545 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 17:55:51,545 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 17:55:51,545 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 17:55:51,548 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,549 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,550 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,550 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,550 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,550 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 17:55:51,550 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 17:55:51,551 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 17:55:51,551 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 17:55:51,551 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 17:55:51,551 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 17:55:51,553 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,554 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 17:55:51,555 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 17:55:51,557 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 17:55:51,557 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 17:55:51,557 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 17:55:51,557 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 17:55:51,557 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,558 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 17:55:51,559 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,560 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 17:55:51,561 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,562 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,563 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,563 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 17:55:51,564 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 17:55:51,565 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,565 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,565 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,565 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,566 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,566 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 17:55:51,566 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 17:55:51,566 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 17:55:51,566 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 17:55:51,567 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= ~a8~0 13)) (.cse5 (= |old(~a21~0)| 1)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= ~a20~0 |old(~a20~0)|)) (.cse10 (= ~a16~0 |old(~a16~0)|))) (let ((.cse0 (and .cse12 .cse7 .cse8 .cse9 .cse10 (= ~a8~0 |old(~a8~0)|))) (.cse1 (not .cse5)) (.cse6 (not (<= |old(~a16~0)| 5))) (.cse4 (and .cse12 .cse7 .cse8 .cse9 .cse10 .cse11)) (.cse2 (not (= |old(~a8~0)| 13))) (.cse3 (not (= |old(~a20~0)| 1)))) (and (or (not (<= 15 |old(~a8~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1) (or .cse2 .cse6 .cse4) (or .cse2 (not (= |old(~a17~0)| 1)) .cse3 (and .cse7 .cse8 .cse9 .cse10 .cse11 (= ~a17~0 1)))))) [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,568 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 17:55:51,569 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,570 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 17:55:51,571 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 17:55:51,574 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 17:55:51,574 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 17:55:51,574 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 17:55:51,574 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 17:55:51,575 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 17:55:51,575 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 17:55:51,575 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 17:55:51,575 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 17:55:51,576 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,577 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 17:55:51,578 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 17:55:51,578 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 17:55:51,578 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 17:55:51,578 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 17:55:51,579 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 17:55:51,580 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:55:51,580 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-18 17:55:51,580 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:55:51,580 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:55:51,580 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a17~0 1)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1))) [2020-08-18 17:55:51,580 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 17:55:51,581 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse1 (= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse3 (<= ~a16~0 5))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse2 (= ~a17~0 1)) (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (and .cse3 .cse1) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse3) (not (= |old(~a21~0)| 1)))) [2020-08-18 17:55:51,581 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 17:55:51,581 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 17:55:51,581 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse1 (= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse3 (<= ~a16~0 5))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse2 (= ~a17~0 1)) (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (and .cse3 .cse1) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 .cse3) (not (= |old(~a21~0)| 1)))) [2020-08-18 17:55:51,581 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 17:55:51,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:55:51 BoogieIcfgContainer [2020-08-18 17:55:51,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:55:51,616 INFO L168 Benchmark]: Toolchain (without parser) took 17191.72 ms. Allocated memory was 141.0 MB in the beginning and 467.7 MB in the end (delta: 326.6 MB). Free memory was 102.1 MB in the beginning and 413.4 MB in the end (delta: -311.3 MB). Peak memory consumption was 337.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:55:51,627 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 17:55:51,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.51 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 101.9 MB in the beginning and 171.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:55:51,633 INFO L168 Benchmark]: Boogie Preprocessor took 101.50 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:55:51,634 INFO L168 Benchmark]: RCFGBuilder took 1300.56 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 178.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:55:51,635 INFO L168 Benchmark]: TraceAbstraction took 15014.69 ms. Allocated memory was 238.6 MB in the beginning and 467.7 MB in the end (delta: 229.1 MB). Free memory was 177.0 MB in the beginning and 413.4 MB in the end (delta: -236.3 MB). Peak memory consumption was 315.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:55:51,645 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.51 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 101.9 MB in the beginning and 171.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.50 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1300.56 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 178.5 MB in the end (delta: -11.5 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15014.69 ms. Allocated memory was 238.6 MB in the beginning and 467.7 MB in the end (delta: 229.1 MB). Free memory was 177.0 MB in the beginning and 413.4 MB in the end (delta: -236.3 MB). Peak memory consumption was 315.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: ((((((((((!(a21 == 1) && a8 == 13) && a20 == 1) || ((a8 == 13 && a20 == 1) && a17 == 1)) || !(\old(a17) == 1)) || (a21 == 1 && 15 <= a8)) || (a16 <= 5 && a8 == 13)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || (a21 == 1 && a16 <= 5)) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 3160 SDslu, 270 SDs, 0 SdLazy, 5733 SolverSat, 1180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1704occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 632 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 64 PreInvPairs, 94 NumberOfFragments, 389 HoareAnnotationTreeSize, 64 FomulaSimplifications, 35362 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1500 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1113 NumberOfCodeBlocks, 1113 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1106 ConstructedInterpolants, 0 QuantifiedInterpolants, 497906 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 417/430 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...