/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=HIGHLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 19:34:25,170 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 19:34:25,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 19:34:25,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 19:34:25,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 19:34:25,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 19:34:25,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 19:34:25,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 19:34:25,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 19:34:25,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 19:34:25,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 19:34:25,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 19:34:25,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 19:34:25,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 19:34:25,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 19:34:25,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 19:34:25,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 19:34:25,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 19:34:25,238 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 19:34:25,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 19:34:25,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 19:34:25,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 19:34:25,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 19:34:25,280 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 19:34:25,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 19:34:25,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 19:34:25,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 19:34:25,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 19:34:25,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 19:34:25,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 19:34:25,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 19:34:25,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 19:34:25,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 19:34:25,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 19:34:25,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 19:34:25,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 19:34:25,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 19:34:25,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 19:34:25,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 19:34:25,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 19:34:25,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 19:34:25,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 19:34:25,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 19:34:25,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 19:34:25,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 19:34:25,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 19:34:25,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 19:34:25,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 19:34:25,287 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=HIGHLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=HIGHLEXORDER; [2020-08-18 19:34:25,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 19:34:25,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 19:34:25,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 19:34:25,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 19:34:25,605 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 19:34:25,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-18 19:34:25,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49fa8bebc/245637026bb1451c9d20eb1360e1a3b3/FLAG13bd2259b [2020-08-18 19:34:26,221 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 19:34:26,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-18 19:34:26,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49fa8bebc/245637026bb1451c9d20eb1360e1a3b3/FLAG13bd2259b [2020-08-18 19:34:26,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49fa8bebc/245637026bb1451c9d20eb1360e1a3b3 [2020-08-18 19:34:26,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 19:34:26,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 19:34:26,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 19:34:26,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 19:34:26,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 19:34:26,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:34:26" (1/1) ... [2020-08-18 19:34:26,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:26, skipping insertion in model container [2020-08-18 19:34:26,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:34:26" (1/1) ... [2020-08-18 19:34:26,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 19:34:26,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 19:34:27,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:34:27,198 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 19:34:27,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:34:27,360 INFO L208 MainTranslator]: Completed translation [2020-08-18 19:34:27,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27 WrapperNode [2020-08-18 19:34:27,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 19:34:27,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 19:34:27,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 19:34:27,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 19:34:27,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (1/1) ... [2020-08-18 19:34:27,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 19:34:27,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 19:34:27,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 19:34:27,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 19:34:27,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (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 19:34:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 19:34:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 19:34:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 19:34:27,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 19:34:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 19:34:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 19:34:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 19:34:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 19:34:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 19:34:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 19:34:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 19:34:28,817 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 19:34:28,817 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 19:34:28,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:34:28 BoogieIcfgContainer [2020-08-18 19:34:28,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 19:34:28,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 19:34:28,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 19:34:28,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 19:34:28,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 07:34:26" (1/3) ... [2020-08-18 19:34:28,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:34:28, skipping insertion in model container [2020-08-18 19:34:28,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:27" (2/3) ... [2020-08-18 19:34:28,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:34:28, skipping insertion in model container [2020-08-18 19:34:28,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:34:28" (3/3) ... [2020-08-18 19:34:28,832 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-08-18 19:34:28,843 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 19:34:28,851 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 19:34:28,867 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 19:34:28,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 19:34:28,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 19:34:28,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 19:34:28,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 19:34:28,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 19:34:28,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 19:34:28,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 19:34:28,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 19:34:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 19:34:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 19:34:28,929 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:28,931 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] [2020-08-18 19:34:28,931 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:28,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:28,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1515832586, now seen corresponding path program 1 times [2020-08-18 19:34:28,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:28,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152244527] [2020-08-18 19:34:28,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:29,400 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 19:34:29,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152244527] [2020-08-18 19:34:29,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:29,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 19:34:29,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374086591] [2020-08-18 19:34:29,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 19:34:29,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 19:34:29,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 19:34:29,432 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 19:34:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:31,406 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 19:34:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 19:34:31,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-08-18 19:34:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:31,426 INFO L225 Difference]: With dead ends: 730 [2020-08-18 19:34:31,426 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 19:34:31,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 19:34:31,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 19:34:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 19:34:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 19:34:31,543 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 47 [2020-08-18 19:34:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:31,545 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 19:34:31,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 19:34:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 19:34:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-18 19:34:31,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:31,558 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, 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] [2020-08-18 19:34:31,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 19:34:31,558 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:31,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:31,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1601579245, now seen corresponding path program 1 times [2020-08-18 19:34:31,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:31,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143425585] [2020-08-18 19:34:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:31,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143425585] [2020-08-18 19:34:31,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:31,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 19:34:31,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687064308] [2020-08-18 19:34:31,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:31,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:31,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:31,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:31,919 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-18 19:34:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:33,473 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-18 19:34:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 19:34:33,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-08-18 19:34:33,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:33,482 INFO L225 Difference]: With dead ends: 1041 [2020-08-18 19:34:33,482 INFO L226 Difference]: Without dead ends: 606 [2020-08-18 19:34:33,484 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 [2020-08-18 19:34:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-18 19:34:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-18 19:34:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-18 19:34:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-18 19:34:33,548 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 120 [2020-08-18 19:34:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:33,549 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-18 19:34:33,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-18 19:34:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-18 19:34:33,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:33,558 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, 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] [2020-08-18 19:34:33,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 19:34:33,560 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:33,561 INFO L82 PathProgramCache]: Analyzing trace with hash -446355495, now seen corresponding path program 1 times [2020-08-18 19:34:33,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:33,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961092787] [2020-08-18 19:34:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:33,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:33,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961092787] [2020-08-18 19:34:33,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:33,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:33,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098633658] [2020-08-18 19:34:33,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:33,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:33,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:33,955 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-18 19:34:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:35,791 INFO L93 Difference]: Finished difference Result 1823 states and 2680 transitions. [2020-08-18 19:34:35,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 19:34:35,793 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-08-18 19:34:35,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:35,806 INFO L225 Difference]: With dead ends: 1823 [2020-08-18 19:34:35,806 INFO L226 Difference]: Without dead ends: 1210 [2020-08-18 19:34:35,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 19:34:35,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-08-18 19:34:35,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1035. [2020-08-18 19:34:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-18 19:34:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-18 19:34:35,890 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 126 [2020-08-18 19:34:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:35,890 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-18 19:34:35,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-18 19:34:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-18 19:34:35,894 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:35,894 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, 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] [2020-08-18 19:34:35,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 19:34:35,894 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:35,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:35,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1926007174, now seen corresponding path program 1 times [2020-08-18 19:34:35,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:35,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7704081] [2020-08-18 19:34:35,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:35,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:35,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:36,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7704081] [2020-08-18 19:34:36,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:36,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 19:34:36,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372889496] [2020-08-18 19:34:36,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:36,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:36,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:36,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:36,080 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-18 19:34:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:37,512 INFO L93 Difference]: Finished difference Result 2666 states and 3891 transitions. [2020-08-18 19:34:37,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 19:34:37,524 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-18 19:34:37,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:37,540 INFO L225 Difference]: With dead ends: 2666 [2020-08-18 19:34:37,540 INFO L226 Difference]: Without dead ends: 1637 [2020-08-18 19:34:37,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 19:34:37,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-08-18 19:34:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1484. [2020-08-18 19:34:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-08-18 19:34:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2105 transitions. [2020-08-18 19:34:37,613 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2105 transitions. Word has length 137 [2020-08-18 19:34:37,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:37,615 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 2105 transitions. [2020-08-18 19:34:37,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2105 transitions. [2020-08-18 19:34:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-18 19:34:37,619 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:37,620 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, 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] [2020-08-18 19:34:37,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 19:34:37,620 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:37,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:37,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1514289222, now seen corresponding path program 1 times [2020-08-18 19:34:37,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:37,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31248002] [2020-08-18 19:34:37,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:37,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31248002] [2020-08-18 19:34:37,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:37,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 19:34:37,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408494147] [2020-08-18 19:34:37,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:37,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:37,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:37,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:37,926 INFO L87 Difference]: Start difference. First operand 1484 states and 2105 transitions. Second operand 8 states. [2020-08-18 19:34:40,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:40,096 INFO L93 Difference]: Finished difference Result 4289 states and 6334 transitions. [2020-08-18 19:34:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 19:34:40,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-18 19:34:40,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:40,118 INFO L225 Difference]: With dead ends: 4289 [2020-08-18 19:34:40,119 INFO L226 Difference]: Without dead ends: 2954 [2020-08-18 19:34:40,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-18 19:34:40,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2020-08-18 19:34:40,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2513. [2020-08-18 19:34:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-08-18 19:34:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3479 transitions. [2020-08-18 19:34:40,241 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3479 transitions. Word has length 159 [2020-08-18 19:34:40,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:40,242 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3479 transitions. [2020-08-18 19:34:40,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:40,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3479 transitions. [2020-08-18 19:34:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-18 19:34:40,246 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:40,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 19:34:40,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 19:34:40,248 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:40,248 INFO L82 PathProgramCache]: Analyzing trace with hash 983089597, now seen corresponding path program 1 times [2020-08-18 19:34:40,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:40,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009825661] [2020-08-18 19:34:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 19:34:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 144 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 19:34:40,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009825661] [2020-08-18 19:34:40,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:40,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 19:34:40,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298685486] [2020-08-18 19:34:40,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 19:34:40,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:40,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 19:34:40,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:40,552 INFO L87 Difference]: Start difference. First operand 2513 states and 3479 transitions. Second operand 10 states. [2020-08-18 19:34:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:44,441 INFO L93 Difference]: Finished difference Result 5904 states and 8205 transitions. [2020-08-18 19:34:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 19:34:44,443 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-08-18 19:34:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:44,461 INFO L225 Difference]: With dead ends: 5904 [2020-08-18 19:34:44,462 INFO L226 Difference]: Without dead ends: 3397 [2020-08-18 19:34:44,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-18 19:34:44,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-08-18 19:34:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3103. [2020-08-18 19:34:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-08-18 19:34:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3985 transitions. [2020-08-18 19:34:44,585 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3985 transitions. Word has length 196 [2020-08-18 19:34:44,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:44,585 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 3985 transitions. [2020-08-18 19:34:44,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 19:34:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3985 transitions. [2020-08-18 19:34:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-08-18 19:34:44,591 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:44,591 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 19:34:44,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 19:34:44,592 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:44,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:44,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236310, now seen corresponding path program 1 times [2020-08-18 19:34:44,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:44,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785710278] [2020-08-18 19:34:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-18 19:34:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 80 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-18 19:34:44,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785710278] [2020-08-18 19:34:44,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:44,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:44,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270300839] [2020-08-18 19:34:44,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:44,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:44,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:44,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:44,909 INFO L87 Difference]: Start difference. First operand 3103 states and 3985 transitions. Second operand 7 states. [2020-08-18 19:34:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:46,270 INFO L93 Difference]: Finished difference Result 6359 states and 8212 transitions. [2020-08-18 19:34:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 19:34:46,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-08-18 19:34:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:46,288 INFO L225 Difference]: With dead ends: 6359 [2020-08-18 19:34:46,288 INFO L226 Difference]: Without dead ends: 3262 [2020-08-18 19:34:46,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-08-18 19:34:46,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3248. [2020-08-18 19:34:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-08-18 19:34:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4140 transitions. [2020-08-18 19:34:46,389 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4140 transitions. Word has length 233 [2020-08-18 19:34:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:46,390 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4140 transitions. [2020-08-18 19:34:46,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4140 transitions. [2020-08-18 19:34:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-08-18 19:34:46,396 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:46,397 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:46,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 19:34:46,397 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:46,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:46,398 INFO L82 PathProgramCache]: Analyzing trace with hash 363105573, now seen corresponding path program 1 times [2020-08-18 19:34:46,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:46,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030243997] [2020-08-18 19:34:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:46,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 19:34:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 19:34:46,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030243997] [2020-08-18 19:34:46,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:46,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:46,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303958502] [2020-08-18 19:34:46,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:46,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:46,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:46,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:46,843 INFO L87 Difference]: Start difference. First operand 3248 states and 4140 transitions. Second operand 7 states. [2020-08-18 19:34:50,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:50,641 INFO L93 Difference]: Finished difference Result 6355 states and 8180 transitions. [2020-08-18 19:34:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 19:34:50,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-08-18 19:34:50,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:50,657 INFO L225 Difference]: With dead ends: 6355 [2020-08-18 19:34:50,658 INFO L226 Difference]: Without dead ends: 3256 [2020-08-18 19:34:50,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 19:34:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2020-08-18 19:34:50,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 2817. [2020-08-18 19:34:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2020-08-18 19:34:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3388 transitions. [2020-08-18 19:34:50,756 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3388 transitions. Word has length 252 [2020-08-18 19:34:50,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:50,757 INFO L479 AbstractCegarLoop]: Abstraction has 2817 states and 3388 transitions. [2020-08-18 19:34:50,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3388 transitions. [2020-08-18 19:34:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-08-18 19:34:50,764 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:50,764 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:50,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 19:34:50,765 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:50,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2035949762, now seen corresponding path program 1 times [2020-08-18 19:34:50,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:50,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466016011] [2020-08-18 19:34:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:50,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 19:34:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 19:34:51,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466016011] [2020-08-18 19:34:51,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:51,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:51,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334099223] [2020-08-18 19:34:51,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:51,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:51,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:51,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:51,202 INFO L87 Difference]: Start difference. First operand 2817 states and 3388 transitions. Second operand 7 states. [2020-08-18 19:34:52,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:52,800 INFO L93 Difference]: Finished difference Result 5495 states and 6650 transitions. [2020-08-18 19:34:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 19:34:52,801 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-08-18 19:34:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:52,812 INFO L225 Difference]: With dead ends: 5495 [2020-08-18 19:34:52,813 INFO L226 Difference]: Without dead ends: 2827 [2020-08-18 19:34:52,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 19:34:52,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-08-18 19:34:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2235. [2020-08-18 19:34:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-18 19:34:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-18 19:34:52,872 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 259 [2020-08-18 19:34:52,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:52,872 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-18 19:34:52,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-18 19:34:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-18 19:34:52,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:52,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 19:34:52,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 19:34:52,881 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:52,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:52,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1698020394, now seen corresponding path program 1 times [2020-08-18 19:34:52,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:52,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653118686] [2020-08-18 19:34:52,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 19:34:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-18 19:34:53,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653118686] [2020-08-18 19:34:53,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:53,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 19:34:53,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296838572] [2020-08-18 19:34:53,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 19:34:53,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 19:34:53,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 19:34:53,272 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-18 19:34:54,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:54,491 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-18 19:34:54,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 19:34:54,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-08-18 19:34:54,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:54,493 INFO L225 Difference]: With dead ends: 4762 [2020-08-18 19:34:54,493 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 19:34:54,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 19:34:54,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 19:34:54,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 19:34:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 19:34:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 19:34:54,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-08-18 19:34:54,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:54,502 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 19:34:54,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 19:34:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 19:34:54,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 19:34:54,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 19:34:54,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 19:34:54,876 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-08-18 19:34:55,790 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2020-08-18 19:34:56,501 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-18 19:34:57,179 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-18 19:34:57,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,184 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)|)) [2020-08-18 19:34:57,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,185 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 19:34:57,185 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,185 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,185 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,186 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,186 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,186 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,186 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 19:34:57,186 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 19:34:57,187 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,188 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 19:34:57,189 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 19:34:57,190 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 19:34:57,191 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 19:34:57,192 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 19:34:57,193 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 19:34:57,194 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 19:34:57,195 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 19:34:57,196 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 19:34:57,197 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 19:34:57,198 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,199 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 19:34:57,200 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,201 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 19:34:57,202 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 19:34:57,203 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 19:34:57,204 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= 9 |old(~a19~0)|))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse5 (not (<= 23 |old(~a1~0)|))) (.cse1 (not (<= |old(~a10~0)| 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse6 (not (= 14 ~a4~0))) (.cse7 (not (= ~a12~0 0)))) (and (or .cse0 (and (or .cse1 .cse2 (not (<= |old(~a1~0)| 23))) (or .cse2 (not (= 0 |old(~a10~0)|))))) (or .cse0 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse2 .cse4 .cse0) (or .cse0 .cse3 (= 8 |old(~a19~0)|)) (or .cse5 .cse4 .cse0 .cse6 .cse7) (or .cse0 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse5 .cse1 .cse0 .cse3 .cse6 .cse7))) [2020-08-18 19:34:57,204 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 19:34:57,204 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 19:34:57,204 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 19:34:57,204 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,204 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 19:34:57,205 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 19:34:57,206 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,207 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 19:34:57,208 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,209 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 19:34:57,210 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,211 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 19:34:57,212 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 19:34:57,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,212 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-18 19:34:57,212 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 19:34:57,212 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-18 19:34:57,213 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 19:34:57,213 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 19:34:57,213 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-18 19:34:57,213 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 19:34:57,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 07:34:57 BoogieIcfgContainer [2020-08-18 19:34:57,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 19:34:57,240 INFO L168 Benchmark]: Toolchain (without parser) took 30702.07 ms. Allocated memory was 144.2 MB in the beginning and 528.5 MB in the end (delta: 384.3 MB). Free memory was 101.9 MB in the beginning and 96.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 405.5 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,241 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.80 ms. Allocated memory was 144.2 MB in the beginning and 205.5 MB in the end (delta: 61.3 MB). Free memory was 101.7 MB in the beginning and 171.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,242 INFO L168 Benchmark]: Boogie Preprocessor took 127.00 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,243 INFO L168 Benchmark]: RCFGBuilder took 1334.43 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 180.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,244 INFO L168 Benchmark]: TraceAbstraction took 28413.08 ms. Allocated memory was 238.6 MB in the beginning and 528.5 MB in the end (delta: 289.9 MB). Free memory was 180.6 MB in the beginning and 96.0 MB in the end (delta: 84.5 MB). Peak memory consumption was 389.7 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.80 ms. Allocated memory was 144.2 MB in the beginning and 205.5 MB in the end (delta: 61.3 MB). Free memory was 101.7 MB in the beginning and 171.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.00 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1334.43 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 180.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28413.08 ms. Allocated memory was 238.6 MB in the beginning and 528.5 MB in the end (delta: 289.9 MB). Free memory was 180.6 MB in the beginning and 96.0 MB in the end (delta: 84.5 MB). Peak memory consumption was 389.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: ((((((((((((((((((a10 <= 0 && 9 <= a19) && a1 <= 23) && 0 == \old(a10)) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 == 1 && 23 <= a1) && 0 == \old(a10))) || ((9 <= a19 && 0 == \old(a10)) && a10 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 == 1 && 9 <= a19) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 5152 SDslu, 495 SDs, 0 SdLazy, 12262 SolverSat, 1463 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3248occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 181 NumberOfFragments, 539 HoareAnnotationTreeSize, 141 FomulaSimplifications, 60461 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7085 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1832 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 861908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 882/995 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...