/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 19:34:17,368 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 19:34:17,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 19:34:17,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 19:34:17,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 19:34:17,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 19:34:17,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 19:34:17,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 19:34:17,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 19:34:17,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 19:34:17,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 19:34:17,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 19:34:17,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 19:34:17,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 19:34:17,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 19:34:17,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 19:34:17,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 19:34:17,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 19:34:17,473 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 19:34:17,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 19:34:17,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 19:34:17,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 19:34:17,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 19:34:17,498 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 19:34:17,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 19:34:17,498 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 19:34:17,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 19:34:17,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 19:34:17,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 19:34:17,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 19:34:17,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 19:34:17,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 19:34:17,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 19:34:17,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 19:34:17,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 19:34:17,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 19:34:17,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 19:34:17,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 19:34:17,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 19:34:17,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 19:34:17,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 19:34:17,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 19:34:17,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 19:34:17,502 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 19:34:17,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 19:34:17,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 19:34:17,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 19:34:17,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 19:34:17,835 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 19:34:17,837 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-18 19:34:17,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e493ecf14/127c1d8b51dc4fe892cdcc9df79b5d7a/FLAG5e5f78fbb [2020-08-18 19:34:18,503 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 19:34:18,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-18 19:34:18,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e493ecf14/127c1d8b51dc4fe892cdcc9df79b5d7a/FLAG5e5f78fbb [2020-08-18 19:34:18,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e493ecf14/127c1d8b51dc4fe892cdcc9df79b5d7a [2020-08-18 19:34:18,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 19:34:18,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 19:34:18,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 19:34:18,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 19:34:18,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 19:34:18,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:34:18" (1/1) ... [2020-08-18 19:34:18,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441bb81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:18, skipping insertion in model container [2020-08-18 19:34:18,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:34:18" (1/1) ... [2020-08-18 19:34:18,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 19:34:18,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 19:34:19,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:34:19,315 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 19:34:19,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:34:19,558 INFO L208 MainTranslator]: Completed translation [2020-08-18 19:34:19,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19 WrapperNode [2020-08-18 19:34:19,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 19:34:19,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 19:34:19,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 19:34:19,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 19:34:19,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (1/1) ... [2020-08-18 19:34:19,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 19:34:19,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 19:34:19,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 19:34:19,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 19:34:19,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (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 19:34:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 19:34:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 19:34:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 19:34:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 19:34:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 19:34:19,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 19:34:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 19:34:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 19:34:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 19:34:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 19:34:19,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 19:34:21,041 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 19:34:21,041 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 19:34:21,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:34:21 BoogieIcfgContainer [2020-08-18 19:34:21,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 19:34:21,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 19:34:21,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 19:34:21,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 19:34:21,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 07:34:18" (1/3) ... [2020-08-18 19:34:21,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c00c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:34:21, skipping insertion in model container [2020-08-18 19:34:21,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:34:19" (2/3) ... [2020-08-18 19:34:21,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c00c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:34:21, skipping insertion in model container [2020-08-18 19:34:21,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:34:21" (3/3) ... [2020-08-18 19:34:21,058 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-18 19:34:21,071 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 19:34:21,081 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 19:34:21,101 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 19:34:21,130 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 19:34:21,131 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 19:34:21,131 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 19:34:21,131 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 19:34:21,131 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 19:34:21,132 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 19:34:21,132 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 19:34:21,132 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 19:34:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 19:34:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-18 19:34:21,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:21,166 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] [2020-08-18 19:34:21,167 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:21,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:21,173 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-18 19:34:21,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:21,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460662816] [2020-08-18 19:34:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:21,559 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 19:34:21,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460662816] [2020-08-18 19:34:21,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:21,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 19:34:21,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821024375] [2020-08-18 19:34:21,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 19:34:21,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 19:34:21,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 19:34:21,592 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-18 19:34:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:23,217 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-18 19:34:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 19:34:23,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-18 19:34:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:23,238 INFO L225 Difference]: With dead ends: 596 [2020-08-18 19:34:23,239 INFO L226 Difference]: Without dead ends: 302 [2020-08-18 19:34:23,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 19:34:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-18 19:34:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-18 19:34:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 19:34:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-18 19:34:23,321 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-18 19:34:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:23,321 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-18 19:34:23,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 19:34:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-18 19:34:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-18 19:34:23,328 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:23,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:23,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 19:34:23,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:23,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:23,332 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-18 19:34:23,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:23,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514131502] [2020-08-18 19:34:23,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:23,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:23,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514131502] [2020-08-18 19:34:23,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:23,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 19:34:23,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773470637] [2020-08-18 19:34:23,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:23,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:23,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:23,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:23,661 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-18 19:34:25,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:25,719 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-18 19:34:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 19:34:25,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-18 19:34:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:25,727 INFO L225 Difference]: With dead ends: 1198 [2020-08-18 19:34:25,727 INFO L226 Difference]: Without dead ends: 906 [2020-08-18 19:34:25,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 19:34:25,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-18 19:34:25,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-18 19:34:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-18 19:34:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-18 19:34:25,793 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-18 19:34:25,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:25,794 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-18 19:34:25,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-18 19:34:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-18 19:34:25,800 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:25,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:25,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 19:34:25,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:25,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:25,802 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-18 19:34:25,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:25,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989188826] [2020-08-18 19:34:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:25,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:26,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989188826] [2020-08-18 19:34:26,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:26,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:26,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360362168] [2020-08-18 19:34:26,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:26,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:26,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:26,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:26,101 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-18 19:34:27,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:27,870 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-18 19:34:27,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 19:34:27,872 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-18 19:34:27,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:27,888 INFO L225 Difference]: With dead ends: 2397 [2020-08-18 19:34:27,889 INFO L226 Difference]: Without dead ends: 1482 [2020-08-18 19:34:27,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 19:34:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-18 19:34:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-18 19:34:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-18 19:34:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-18 19:34:27,991 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123 [2020-08-18 19:34:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:27,991 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-18 19:34:27,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-18 19:34:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-18 19:34:28,008 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:28,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:28,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 19:34:28,009 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:28,009 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-18 19:34:28,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:28,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807192809] [2020-08-18 19:34:28,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:28,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807192809] [2020-08-18 19:34:28,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:28,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 19:34:28,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422196492] [2020-08-18 19:34:28,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:28,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:28,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:28,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:28,245 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-18 19:34:29,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:29,749 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-18 19:34:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 19:34:29,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-18 19:34:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:29,763 INFO L225 Difference]: With dead ends: 3592 [2020-08-18 19:34:29,764 INFO L226 Difference]: Without dead ends: 2263 [2020-08-18 19:34:29,768 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 19:34:29,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-18 19:34:29,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-18 19:34:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-18 19:34:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-18 19:34:29,845 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139 [2020-08-18 19:34:29,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:29,846 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-18 19:34:29,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-18 19:34:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-18 19:34:29,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:29,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:29,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 19:34:29,849 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:29,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-18 19:34:29,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:29,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726823089] [2020-08-18 19:34:29,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:29,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:30,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726823089] [2020-08-18 19:34:30,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:34:30,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 19:34:30,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119680023] [2020-08-18 19:34:30,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:30,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:30,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:30,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:30,054 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-18 19:34:31,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:31,329 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-18 19:34:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 19:34:31,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-18 19:34:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:31,349 INFO L225 Difference]: With dead ends: 4023 [2020-08-18 19:34:31,349 INFO L226 Difference]: Without dead ends: 2098 [2020-08-18 19:34:31,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:31,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-18 19:34:31,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-18 19:34:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-18 19:34:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-18 19:34:31,414 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140 [2020-08-18 19:34:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:31,414 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-18 19:34:31,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-18 19:34:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-18 19:34:31,416 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:31,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:31,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 19:34:31,417 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:31,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:31,418 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times [2020-08-18 19:34:31,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:31,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97378304] [2020-08-18 19:34:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:34:31,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97378304] [2020-08-18 19:34:31,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:31,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:31,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771975531] [2020-08-18 19:34:31,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 19:34:31,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 19:34:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 19:34:31,693 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states. [2020-08-18 19:34:33,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:33,998 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions. [2020-08-18 19:34:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 19:34:34,001 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-18 19:34:34,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:34,022 INFO L225 Difference]: With dead ends: 4629 [2020-08-18 19:34:34,023 INFO L226 Difference]: Without dead ends: 2694 [2020-08-18 19:34:34,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-18 19:34:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-08-18 19:34:34,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676. [2020-08-18 19:34:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2020-08-18 19:34:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions. [2020-08-18 19:34:34,118 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159 [2020-08-18 19:34:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:34,119 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions. [2020-08-18 19:34:34,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 19:34:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions. [2020-08-18 19:34:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-18 19:34:34,124 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:34,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:34,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 19:34:34,125 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:34,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:34,125 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-18 19:34:34,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:34,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213318453] [2020-08-18 19:34:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:34,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 19:34:34,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213318453] [2020-08-18 19:34:34,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:34,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 19:34:34,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183481122] [2020-08-18 19:34:34,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 19:34:34,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:34,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 19:34:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-18 19:34:34,368 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states. [2020-08-18 19:34:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:36,404 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions. [2020-08-18 19:34:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 19:34:36,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-18 19:34:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:36,425 INFO L225 Difference]: With dead ends: 3989 [2020-08-18 19:34:36,425 INFO L226 Difference]: Without dead ends: 3987 [2020-08-18 19:34:36,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:36,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2020-08-18 19:34:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972. [2020-08-18 19:34:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-08-18 19:34:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions. [2020-08-18 19:34:36,516 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181 [2020-08-18 19:34:36,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:36,516 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions. [2020-08-18 19:34:36,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 19:34:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions. [2020-08-18 19:34:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-18 19:34:36,520 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:36,520 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:34:36,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 19:34:36,521 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:36,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:36,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-18 19:34:36,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:36,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819406246] [2020-08-18 19:34:36,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:36,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:36,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 19:34:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 19:34:36,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819406246] [2020-08-18 19:34:36,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:36,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 19:34:36,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917533532] [2020-08-18 19:34:36,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 19:34:36,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:36,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 19:34:36,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:36,833 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states. [2020-08-18 19:34:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:40,630 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions. [2020-08-18 19:34:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 19:34:40,630 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-08-18 19:34:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:40,649 INFO L225 Difference]: With dead ends: 7547 [2020-08-18 19:34:40,649 INFO L226 Difference]: Without dead ends: 4724 [2020-08-18 19:34:40,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-18 19:34:40,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-08-18 19:34:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862. [2020-08-18 19:34:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-08-18 19:34:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions. [2020-08-18 19:34:40,764 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193 [2020-08-18 19:34:40,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:40,765 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions. [2020-08-18 19:34:40,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 19:34:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions. [2020-08-18 19:34:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-18 19:34:40,774 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:40,774 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 19:34:40,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 19:34:40,775 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:40,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:40,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-18 19:34:40,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:40,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201380402] [2020-08-18 19:34:40,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:41,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 19:34:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:41,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-18 19:34:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 19:34:41,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201380402] [2020-08-18 19:34:41,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:41,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 19:34:41,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440150183] [2020-08-18 19:34:41,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 19:34:41,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:41,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 19:34:41,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 19:34:41,400 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states. [2020-08-18 19:34:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:44,209 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions. [2020-08-18 19:34:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 19:34:44,211 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-08-18 19:34:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:44,227 INFO L225 Difference]: With dead ends: 7899 [2020-08-18 19:34:44,227 INFO L226 Difference]: Without dead ends: 4186 [2020-08-18 19:34:44,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-18 19:34:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2020-08-18 19:34:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166. [2020-08-18 19:34:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states. [2020-08-18 19:34:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions. [2020-08-18 19:34:44,329 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279 [2020-08-18 19:34:44,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:44,329 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions. [2020-08-18 19:34:44,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 19:34:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions. [2020-08-18 19:34:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-18 19:34:44,342 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:44,342 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 19:34:44,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 19:34:44,343 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-08-18 19:34:44,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:44,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838645393] [2020-08-18 19:34:44,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-18 19:34:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-18 19:34:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-18 19:34:44,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838645393] [2020-08-18 19:34:44,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:44,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 19:34:44,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326097222] [2020-08-18 19:34:44,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 19:34:44,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:44,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 19:34:44,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 19:34:44,820 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states. [2020-08-18 19:34:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:48,169 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions. [2020-08-18 19:34:48,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 19:34:48,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-18 19:34:48,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:48,201 INFO L225 Difference]: With dead ends: 10189 [2020-08-18 19:34:48,201 INFO L226 Difference]: Without dead ends: 4275 [2020-08-18 19:34:48,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-18 19:34:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-08-18 19:34:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413. [2020-08-18 19:34:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2020-08-18 19:34:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions. [2020-08-18 19:34:48,315 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341 [2020-08-18 19:34:48,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:48,316 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions. [2020-08-18 19:34:48,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 19:34:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions. [2020-08-18 19:34:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-08-18 19:34:48,336 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:34:48,337 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-08-18 19:34:48,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 19:34:48,337 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:34:48,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:34:48,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-08-18 19:34:48,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:34:48,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401285825] [2020-08-18 19:34:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:34:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:34:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:48,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 19:34:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 19:34:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:48,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-18 19:34:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:48,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-18 19:34:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:34:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-18 19:34:49,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401285825] [2020-08-18 19:34:49,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 19:34:49,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 19:34:49,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356605199] [2020-08-18 19:34:49,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 19:34:49,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:34:49,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 19:34:49,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-18 19:34:49,110 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states. [2020-08-18 19:34:52,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:34:52,902 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions. [2020-08-18 19:34:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 19:34:52,903 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401 [2020-08-18 19:34:52,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:34:52,904 INFO L225 Difference]: With dead ends: 7976 [2020-08-18 19:34:52,904 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 19:34:52,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-08-18 19:34:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 19:34:52,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 19:34:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 19:34:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 19:34:52,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-08-18 19:34:52,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:34:52,916 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 19:34:52,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 19:34:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 19:34:52,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 19:34:52,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 19:34:52,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 19:34:53,613 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-18 19:34:53,815 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-18 19:34:55,449 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 278 DAG size of output: 69 [2020-08-18 19:34:56,265 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-18 19:34:57,046 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-18 19:34:57,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,051 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 19:34:57,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,051 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 19:34:57,051 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,051 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 19:34:57,052 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 19:34:57,053 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 19:34:57,054 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 19:34:57,055 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,056 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 19:34:57,057 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,058 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 19:34:57,059 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 19:34:57,060 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 19:34:57,061 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,062 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 19:34:57,063 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 19:34:57,064 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,065 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 19:34:57,066 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,067 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 19:34:57,068 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 19:34:57,069 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse7 (not (<= 2 |old(~a10~0)|))) (.cse10 (= 8 |old(~a19~0)|)) (.cse1 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse12 (not (<= 10 |old(~a19~0)|))) (.cse3 (= 3 |old(~a10~0)|)) (.cse11 (= 0 |old(~a10~0)|)) (.cse0 (not (<= 23 |old(~a1~0)|))) (.cse13 (not (<= |old(~a10~0)| 0))) (.cse9 (not (<= |old(~a19~0)| 9))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse14 (not .cse8)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (= 2 |old(~a10~0)|)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse2 .cse3 .cse7 .cse9) (or .cse2 (not (<= |old(~a1~0)| 23)) .cse9 .cse10) (or .cse1 .cse2 .cse9 .cse4 .cse10 .cse6) (or .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse1 .cse12 .cse2 (not .cse11)) (or .cse12 .cse2 .cse3 .cse5 .cse11) (or .cse13 .cse14 .cse2) (or .cse0 .cse13 .cse2 .cse9 .cse4 .cse6) (or .cse2 .cse14 .cse4 .cse5 .cse6)))) [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,070 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 19:34:57,071 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,072 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 19:34:57,073 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 19:34:57,074 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 19:34:57,075 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 19:34:57,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,077 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 19:34:57,077 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 19:34:57,077 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:34:57,077 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 19:34:57,077 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 19:34:57,078 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-18 19:34:57,078 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 19:34:57,078 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 19:34:57,078 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-18 19:34:57,078 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 19:34:57,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 07:34:57 BoogieIcfgContainer [2020-08-18 19:34:57,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 19:34:57,103 INFO L168 Benchmark]: Toolchain (without parser) took 38331.79 ms. Allocated memory was 140.5 MB in the beginning and 637.0 MB in the end (delta: 496.5 MB). Free memory was 102.2 MB in the beginning and 292.2 MB in the end (delta: -190.0 MB). Peak memory consumption was 513.7 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,104 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 19:34:57,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.34 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,106 INFO L168 Benchmark]: Boogie Preprocessor took 114.90 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,107 INFO L168 Benchmark]: RCFGBuilder took 1373.71 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 179.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,107 INFO L168 Benchmark]: TraceAbstraction took 36051.66 ms. Allocated memory was 237.5 MB in the beginning and 637.0 MB in the end (delta: 399.5 MB). Free memory was 179.4 MB in the beginning and 292.2 MB in the end (delta: -112.8 MB). Peak memory consumption was 493.9 MB. Max. memory is 7.1 GB. [2020-08-18 19:34:57,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.34 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.90 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.71 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 179.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36051.66 ms. Allocated memory was 237.5 MB in the beginning and 637.0 MB in the end (delta: 399.5 MB). Free memory was 179.4 MB in the beginning and 292.2 MB in the end (delta: -112.8 MB). Peak memory consumption was 493.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: (((((((((((((((((218 < a1 || a1 <= 38) && 10 <= a19) && 0 == \old(a10)) && a10 == \old(a10)) || ((((!(a10 == 0) && !(a10 == 3)) && 10 <= a19) && !(a10 == 2)) && 0 == \old(a10))) || (((!(a19 == 8) && !(a10 == 2)) && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || ((((23 <= a1 && !(a10 == 3)) && (218 < a1 || a1 <= 38)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || ((a1 <= 23 && a19 == \old(a19)) && 0 == \old(a10))) || ((((!(a10 == 3) && !(a19 == 9)) && a19 <= 9) && 2 <= a10) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 10125 SDslu, 538 SDs, 0 SdLazy, 17351 SolverSat, 2506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1014/1669 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...