/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:59:29,376 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 14:59:29,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:59:29,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:59:29,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:59:29,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:59:29,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:59:29,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:59:29,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:59:29,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:59:29,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:59:29,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:59:29,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:59:29,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:59:29,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 14:59:29,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:59:29,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:59:29,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:59:29,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 14:59:29,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:59:29,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:59:29,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:59:29,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:59:29,479 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:59:29,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:59:29,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:59:29,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:59:29,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:59:29,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:59:29,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:59:29,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:59:29,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:59:29,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:59:29,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:59:29,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:59:29,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:59:29,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:59:29,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:59:29,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:59:29,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:59:29,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:59:29,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:59:29,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:59:29,484 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:59:29,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:59:29,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:59:29,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:59:29,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:59:29,875 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:59:29,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-08-21 14:59:29,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de2e6c4c6/52a4bc8e9a5348149e6e5dfaa90d5396/FLAG6a7b8061e [2020-08-21 14:59:30,556 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:59:30,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label22.c [2020-08-21 14:59:30,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de2e6c4c6/52a4bc8e9a5348149e6e5dfaa90d5396/FLAG6a7b8061e [2020-08-21 14:59:30,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de2e6c4c6/52a4bc8e9a5348149e6e5dfaa90d5396 [2020-08-21 14:59:30,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:59:30,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:59:30,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:59:30,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:59:30,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:59:30,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:59:30" (1/1) ... [2020-08-21 14:59:30,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6752e30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:30, skipping insertion in model container [2020-08-21 14:59:30,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:59:30" (1/1) ... [2020-08-21 14:59:30,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:59:30,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:59:31,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:59:31,566 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:59:31,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:59:31,707 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:59:31,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31 WrapperNode [2020-08-21 14:59:31,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:59:31,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:59:31,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:59:31,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:59:31,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... [2020-08-21 14:59:31,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:59:31,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:59:31,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:59:31,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:59:31,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:59:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:59:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:59:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:59:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:59:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:59:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:59:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:59:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:59:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:59:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:59:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:59:33,294 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:59:33,295 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:59:33,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:59:33 BoogieIcfgContainer [2020-08-21 14:59:33,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:59:33,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:59:33,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:59:33,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:59:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:59:30" (1/3) ... [2020-08-21 14:59:33,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d137393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:59:33, skipping insertion in model container [2020-08-21 14:59:33,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:59:31" (2/3) ... [2020-08-21 14:59:33,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d137393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:59:33, skipping insertion in model container [2020-08-21 14:59:33,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:59:33" (3/3) ... [2020-08-21 14:59:33,320 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label22.c [2020-08-21 14:59:33,332 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:59:33,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:59:33,360 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:59:33,395 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:59:33,396 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:59:33,397 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:59:33,397 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:59:33,397 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:59:33,397 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:59:33,397 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:59:33,398 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:59:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 14:59:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-21 14:59:33,443 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:33,444 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] [2020-08-21 14:59:33,445 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1257002150, now seen corresponding path program 1 times [2020-08-21 14:59:33,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:33,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660903828] [2020-08-21 14:59:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:33,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660903828] [2020-08-21 14:59:33,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:59:33,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:59:33,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685041378] [2020-08-21 14:59:33,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:59:33,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:33,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:59:33,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:59:33,920 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 14:59:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:36,004 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2020-08-21 14:59:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:59:36,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-08-21 14:59:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:36,042 INFO L225 Difference]: With dead ends: 745 [2020-08-21 14:59:36,043 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 14:59:36,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:59:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 14:59:36,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-08-21 14:59:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-08-21 14:59:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 635 transitions. [2020-08-21 14:59:36,187 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 635 transitions. Word has length 43 [2020-08-21 14:59:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:36,187 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 635 transitions. [2020-08-21 14:59:36,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:59:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 635 transitions. [2020-08-21 14:59:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-08-21 14:59:36,194 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:36,194 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 14:59:36,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:59:36,195 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:36,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:36,196 INFO L82 PathProgramCache]: Analyzing trace with hash 961573706, now seen corresponding path program 1 times [2020-08-21 14:59:36,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:36,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585855889] [2020-08-21 14:59:36,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:36,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:36,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585855889] [2020-08-21 14:59:36,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:59:36,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:59:36,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89409892] [2020-08-21 14:59:36,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:59:36,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:36,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:59:36,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:59:36,568 INFO L87 Difference]: Start difference. First operand 443 states and 635 transitions. Second operand 8 states. [2020-08-21 14:59:38,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:38,653 INFO L93 Difference]: Finished difference Result 1782 states and 2698 transitions. [2020-08-21 14:59:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:59:38,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-08-21 14:59:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:38,666 INFO L225 Difference]: With dead ends: 1782 [2020-08-21 14:59:38,666 INFO L226 Difference]: Without dead ends: 1345 [2020-08-21 14:59:38,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:59:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-08-21 14:59:38,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1184. [2020-08-21 14:59:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-08-21 14:59:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1666 transitions. [2020-08-21 14:59:38,742 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1666 transitions. Word has length 117 [2020-08-21 14:59:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:38,743 INFO L479 AbstractCegarLoop]: Abstraction has 1184 states and 1666 transitions. [2020-08-21 14:59:38,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:59:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1666 transitions. [2020-08-21 14:59:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-21 14:59:38,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:38,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:59:38,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:59:38,750 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:38,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:38,751 INFO L82 PathProgramCache]: Analyzing trace with hash -550888759, now seen corresponding path program 1 times [2020-08-21 14:59:38,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:38,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810921322] [2020-08-21 14:59:38,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:38,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:39,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810921322] [2020-08-21 14:59:39,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:59:39,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:59:39,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701267250] [2020-08-21 14:59:39,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:59:39,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:39,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:59:39,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:59:39,143 INFO L87 Difference]: Start difference. First operand 1184 states and 1666 transitions. Second operand 8 states. [2020-08-21 14:59:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:41,097 INFO L93 Difference]: Finished difference Result 2973 states and 4187 transitions. [2020-08-21 14:59:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:59:41,098 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-08-21 14:59:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:41,109 INFO L225 Difference]: With dead ends: 2973 [2020-08-21 14:59:41,109 INFO L226 Difference]: Without dead ends: 1768 [2020-08-21 14:59:41,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:59:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2020-08-21 14:59:41,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1762. [2020-08-21 14:59:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1762 states. [2020-08-21 14:59:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2451 transitions. [2020-08-21 14:59:41,191 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2451 transitions. Word has length 122 [2020-08-21 14:59:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:41,192 INFO L479 AbstractCegarLoop]: Abstraction has 1762 states and 2451 transitions. [2020-08-21 14:59:41,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:59:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2451 transitions. [2020-08-21 14:59:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-21 14:59:41,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:41,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:59:41,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:59:41,197 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:41,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:41,198 INFO L82 PathProgramCache]: Analyzing trace with hash -316078103, now seen corresponding path program 1 times [2020-08-21 14:59:41,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:41,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617048100] [2020-08-21 14:59:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:41,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:41,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617048100] [2020-08-21 14:59:41,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:59:41,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:59:41,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174568255] [2020-08-21 14:59:41,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:59:41,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:41,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:59:41,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:59:41,443 INFO L87 Difference]: Start difference. First operand 1762 states and 2451 transitions. Second operand 8 states. [2020-08-21 14:59:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:42,959 INFO L93 Difference]: Finished difference Result 4166 states and 6193 transitions. [2020-08-21 14:59:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:59:42,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-21 14:59:42,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:42,979 INFO L225 Difference]: With dead ends: 4166 [2020-08-21 14:59:42,979 INFO L226 Difference]: Without dead ends: 2553 [2020-08-21 14:59:42,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:59:42,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2020-08-21 14:59:43,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2217. [2020-08-21 14:59:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2020-08-21 14:59:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2967 transitions. [2020-08-21 14:59:43,074 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2967 transitions. Word has length 138 [2020-08-21 14:59:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:43,076 INFO L479 AbstractCegarLoop]: Abstraction has 2217 states and 2967 transitions. [2020-08-21 14:59:43,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:59:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2967 transitions. [2020-08-21 14:59:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 14:59:43,081 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:43,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 14:59:43,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:59:43,082 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:43,082 INFO L82 PathProgramCache]: Analyzing trace with hash -491536303, now seen corresponding path program 1 times [2020-08-21 14:59:43,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:43,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675626021] [2020-08-21 14:59:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:43,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:43,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675626021] [2020-08-21 14:59:43,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:59:43,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 14:59:43,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218563417] [2020-08-21 14:59:43,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:59:43,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:59:43,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:59:43,371 INFO L87 Difference]: Start difference. First operand 2217 states and 2967 transitions. Second operand 8 states. [2020-08-21 14:59:45,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:45,249 INFO L93 Difference]: Finished difference Result 4581 states and 6235 transitions. [2020-08-21 14:59:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:59:45,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-08-21 14:59:45,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:45,265 INFO L225 Difference]: With dead ends: 4581 [2020-08-21 14:59:45,266 INFO L226 Difference]: Without dead ends: 2513 [2020-08-21 14:59:45,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:59:45,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2020-08-21 14:59:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2505. [2020-08-21 14:59:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2505 states. [2020-08-21 14:59:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3165 transitions. [2020-08-21 14:59:45,354 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3165 transitions. Word has length 158 [2020-08-21 14:59:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:45,355 INFO L479 AbstractCegarLoop]: Abstraction has 2505 states and 3165 transitions. [2020-08-21 14:59:45,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:59:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3165 transitions. [2020-08-21 14:59:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-21 14:59:45,358 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:45,359 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 14:59:45,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:59:45,360 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:45,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:45,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2016829941, now seen corresponding path program 1 times [2020-08-21 14:59:45,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:45,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747872154] [2020-08-21 14:59:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:45,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:59:45,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747872154] [2020-08-21 14:59:45,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:59:45,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 14:59:45,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640003881] [2020-08-21 14:59:45,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:59:45,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:45,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:59:45,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:59:45,598 INFO L87 Difference]: Start difference. First operand 2505 states and 3165 transitions. Second operand 7 states. [2020-08-21 14:59:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:46,967 INFO L93 Difference]: Finished difference Result 4889 states and 6252 transitions. [2020-08-21 14:59:46,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:59:46,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-08-21 14:59:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:46,983 INFO L225 Difference]: With dead ends: 4889 [2020-08-21 14:59:46,983 INFO L226 Difference]: Without dead ends: 2533 [2020-08-21 14:59:46,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:59:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2020-08-21 14:59:47,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2519. [2020-08-21 14:59:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2519 states. [2020-08-21 14:59:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3186 transitions. [2020-08-21 14:59:47,084 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3186 transitions. Word has length 160 [2020-08-21 14:59:47,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:47,085 INFO L479 AbstractCegarLoop]: Abstraction has 2519 states and 3186 transitions. [2020-08-21 14:59:47,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:59:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3186 transitions. [2020-08-21 14:59:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 14:59:47,088 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:59:47,088 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 14:59:47,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:59:47,089 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:59:47,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:59:47,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1679265278, now seen corresponding path program 1 times [2020-08-21 14:59:47,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:59:47,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208393452] [2020-08-21 14:59:47,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:59:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:47,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:59:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:59:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:59:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:59:47,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208393452] [2020-08-21 14:59:47,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:59:47,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:59:47,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939060415] [2020-08-21 14:59:47,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:59:47,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:59:47,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:59:47,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:59:47,330 INFO L87 Difference]: Start difference. First operand 2519 states and 3186 transitions. Second operand 7 states. [2020-08-21 14:59:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:59:49,371 INFO L93 Difference]: Finished difference Result 3967 states and 5073 transitions. [2020-08-21 14:59:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:59:49,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-08-21 14:59:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:59:49,373 INFO L225 Difference]: With dead ends: 3967 [2020-08-21 14:59:49,373 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:59:49,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:59:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:59:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:59:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:59:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:59:49,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-08-21 14:59:49,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:59:49,383 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:59:49,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:59:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:59:49,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:59:49,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:59:49,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:59:50,691 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 53 [2020-08-21 14:59:50,907 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-08-21 14:59:51,095 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-08-21 14:59:51,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:59:51,099 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-21 14:59:51,099 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:59:51,099 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 14:59:51,099 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,099 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,100 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,100 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,100 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,100 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,100 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 14:59:51,101 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 14:59:51,101 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 14:59:51,101 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 14:59:51,101 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 14:59:51,101 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 14:59:51,102 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 14:59:51,102 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 14:59:51,102 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 14:59:51,102 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 14:59:51,102 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 14:59:51,103 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 14:59:51,104 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 14:59:51,104 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 14:59:51,104 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 14:59:51,105 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 14:59:51,105 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 14:59:51,105 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 14:59:51,105 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 14:59:51,106 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,107 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,107 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,107 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,107 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,107 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 14:59:51,108 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 14:59:51,109 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 14:59:51,113 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 14:59:51,114 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 14:59:51,114 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,114 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,114 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,116 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,116 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,116 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 14:59:51,116 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 14:59:51,117 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 14:59:51,118 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 14:59:51,118 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 14:59:51,119 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 14:59:51,119 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 14:59:51,119 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 14:59:51,119 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 14:59:51,119 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 14:59:51,120 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 14:59:51,121 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 14:59:51,121 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 14:59:51,122 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,123 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 14:59:51,124 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 14:59:51,125 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 14:59:51,126 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 14:59:51,126 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 14:59:51,126 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 14:59:51,127 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 14:59:51,128 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 14:59:51,128 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 14:59:51,128 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 14:59:51,128 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 14:59:51,128 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 14:59:51,129 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 14:59:51,130 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= 3 |old(~a10~0)|)) (.cse5 (not (<= 1 |old(~a10~0)|))) (.cse6 (not (= 14 ~a4~0))) (.cse7 (not (= ~a12~0 0))) (.cse2 (not (<= |old(~a10~0)| 0))) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse0 (= 7 |old(~a19~0)|)) (.cse1 (not (<= |old(~a1~0)| 38))) (.cse3 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse9 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 (= |old(~a10~0)| 1) .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse5 .cse7) (or (not (<= 9 |old(~a19~0)|)) .cse3 .cse4 .cse5) (or .cse8 .cse3 .cse6 .cse7) (or .cse0 .cse2 .cse3 .cse9 .cse6 .cse7) (or .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse3 .cse9))) [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 14:59:51,131 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,132 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 14:59:51,133 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,134 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 14:59:51,135 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,136 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 14:59:51,137 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 14:59:51,138 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:59:51,139 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 14:59:51,139 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:59:51,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:59:51,139 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-21 14:59:51,139 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 14:59:51,139 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 0)) (.cse0 (<= ~a1~0 38)) (.cse3 (<= ~a19~0 9)) (.cse2 (not (= 7 ~a19~0)))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 .cse3 .cse2) (not (= ~a12~0 0)))) [2020-08-21 14:59:51,140 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 14:59:51,140 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 14:59:51,140 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 0)) (.cse0 (<= ~a1~0 38)) (.cse3 (<= ~a19~0 9)) (.cse2 (not (= 7 ~a19~0)))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 .cse3 .cse2) (not (= ~a12~0 0)))) [2020-08-21 14:59:51,140 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 14:59:51,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:59:51 BoogieIcfgContainer [2020-08-21 14:59:51,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:59:51,162 INFO L168 Benchmark]: Toolchain (without parser) took 20316.25 ms. Allocated memory was 147.8 MB in the beginning and 442.5 MB in the end (delta: 294.6 MB). Free memory was 102.4 MB in the beginning and 187.9 MB in the end (delta: -85.5 MB). Peak memory consumption was 309.2 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,163 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.39 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 170.5 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,165 INFO L168 Benchmark]: Boogie Preprocessor took 105.55 ms. Allocated memory is still 205.0 MB. Free memory was 170.5 MB in the beginning and 165.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,166 INFO L168 Benchmark]: RCFGBuilder took 1492.99 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 181.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,167 INFO L168 Benchmark]: TraceAbstraction took 17851.06 ms. Allocated memory was 238.6 MB in the beginning and 442.5 MB in the end (delta: 203.9 MB). Free memory was 181.3 MB in the beginning and 187.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 297.4 MB. Max. memory is 7.1 GB. [2020-08-21 14:59:51,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 860.39 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 170.5 MB in the end (delta: -68.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.55 ms. Allocated memory is still 205.0 MB. Free memory was 170.5 MB in the beginning and 165.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1492.99 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 181.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17851.06 ms. Allocated memory was 238.6 MB in the beginning and 442.5 MB in the end (delta: 203.9 MB). Free memory was 181.3 MB in the beginning and 187.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 297.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || (!(a10 == 3) && 1 <= a10)) || ((a1 <= 38 && a10 <= 0) && !(7 == a19))) || ((a10 <= 0 && !(7 == a19)) && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || a19 == 9) || ((a1 <= 38 && a19 <= 9) && !(7 == a19))) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 5253 SDslu, 256 SDs, 0 SdLazy, 6926 SolverSat, 1575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2519occurred 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: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 529 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 146 NumberOfFragments, 438 HoareAnnotationTreeSize, 88 FomulaSimplifications, 4085 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2849 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 915 NumberOfCodeBlocks, 915 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 908 ConstructedInterpolants, 0 QuantifiedInterpolants, 369989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 194/216 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...