/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 19:49:47,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 19:49:47,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 19:49:47,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 19:49:47,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 19:49:47,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 19:49:47,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 19:49:47,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 19:49:47,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 19:49:47,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 19:49:47,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 19:49:47,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 19:49:47,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 19:49:47,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 19:49:47,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 19:49:47,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 19:49:47,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 19:49:47,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 19:49:47,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 19:49:47,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 19:49:47,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 19:49:47,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 19:49:47,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 19:49:47,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 19:49:47,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 19:49:47,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 19:49:47,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 19:49:47,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 19:49:47,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 19:49:47,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 19:49:47,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 19:49:47,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 19:49:47,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 19:49:47,658 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 19:49:47,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 19:49:47,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 19:49:47,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 19:49:47,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 19:49:47,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 19:49:47,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 19:49:47,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 19:49:47,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 19:49:47,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 19:49:47,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 19:49:47,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 19:49:47,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 19:49:47,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 19:49:47,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 19:49:47,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 19:49:47,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 19:49:47,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:49:47,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 19:49:47,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 19:49:47,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 19:49:47,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 19:49:47,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 19:49:47,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 19:49:47,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 19:49:47,666 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=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-08-21 19:49:48,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 19:49:48,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 19:49:48,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 19:49:48,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 19:49:48,023 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 19:49:48,024 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-08-21 19:49:48,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d578a5e3/155359c0475b4d6dab88738225570289/FLAG5e6164e85 [2020-08-21 19:49:48,666 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 19:49:48,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-08-21 19:49:48,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d578a5e3/155359c0475b4d6dab88738225570289/FLAG5e6164e85 [2020-08-21 19:49:48,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d578a5e3/155359c0475b4d6dab88738225570289 [2020-08-21 19:49:48,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 19:49:48,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 19:49:48,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 19:49:48,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 19:49:48,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 19:49:48,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:49:48" (1/1) ... [2020-08-21 19:49:48,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:48, skipping insertion in model container [2020-08-21 19:49:48,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:49:48" (1/1) ... [2020-08-21 19:49:48,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 19:49:49,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 19:49:49,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:49:49,536 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 19:49:49,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 19:49:49,708 INFO L208 MainTranslator]: Completed translation [2020-08-21 19:49:49,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49 WrapperNode [2020-08-21 19:49:49,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 19:49:49,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 19:49:49,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 19:49:49,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 19:49:49,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... [2020-08-21 19:49:49,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 19:49:49,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 19:49:49,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 19:49:49,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 19:49:49,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 19:49:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 19:49:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 19:49:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 19:49:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 19:49:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 19:49:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 19:49:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 19:49:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 19:49:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 19:49:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 19:49:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 19:49:51,338 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 19:49:51,339 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 19:49:51,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:49:51 BoogieIcfgContainer [2020-08-21 19:49:51,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 19:49:51,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 19:49:51,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 19:49:51,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 19:49:51,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:49:48" (1/3) ... [2020-08-21 19:49:51,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:49:51, skipping insertion in model container [2020-08-21 19:49:51,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:49:49" (2/3) ... [2020-08-21 19:49:51,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f761e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:49:51, skipping insertion in model container [2020-08-21 19:49:51,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:49:51" (3/3) ... [2020-08-21 19:49:51,354 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-08-21 19:49:51,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 19:49:51,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 19:49:51,387 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 19:49:51,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 19:49:51,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 19:49:51,413 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 19:49:51,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 19:49:51,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 19:49:51,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 19:49:51,414 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 19:49:51,414 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 19:49:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 19:49:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 19:49:51,447 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:49:51,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:49:51,448 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:49:51,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:49:51,454 INFO L82 PathProgramCache]: Analyzing trace with hash 745509942, now seen corresponding path program 1 times [2020-08-21 19:49:51,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:49:51,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376036846] [2020-08-21 19:49:51,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:49:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:49:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:49:51,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376036846] [2020-08-21 19:49:51,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:49:51,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 19:49:51,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567308672] [2020-08-21 19:49:51,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 19:49:51,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:49:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 19:49:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 19:49:51,870 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 19:49:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:49:54,264 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 19:49:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 19:49:54,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-08-21 19:49:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:49:54,295 INFO L225 Difference]: With dead ends: 730 [2020-08-21 19:49:54,295 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 19:49:54,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:49:54,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 19:49:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 19:49:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 19:49:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 19:49:54,392 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 63 [2020-08-21 19:49:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:49:54,393 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 19:49:54,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 19:49:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 19:49:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 19:49:54,400 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:49:54,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 19:49:54,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 19:49:54,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:49:54,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:49:54,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1989249747, now seen corresponding path program 1 times [2020-08-21 19:49:54,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:49:54,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123910637] [2020-08-21 19:49:54,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:49:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:49:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:49:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:49:54,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123910637] [2020-08-21 19:49:54,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:49:54,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:49:54,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031456954] [2020-08-21 19:49:54,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:49:54,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:49:54,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:49:54,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:49:54,675 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 19:49:56,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:49:56,278 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-21 19:49:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:49:56,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-08-21 19:49:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:49:56,284 INFO L225 Difference]: With dead ends: 1041 [2020-08-21 19:49:56,284 INFO L226 Difference]: Without dead ends: 606 [2020-08-21 19:49:56,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-21 19:49:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-21 19:49:56,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-21 19:49:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-21 19:49:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-21 19:49:56,336 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 136 [2020-08-21 19:49:56,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:49:56,336 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-21 19:49:56,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:49:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-21 19:49:56,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-21 19:49:56,344 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:49:56,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 19:49:56,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 19:49:56,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:49:56,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:49:56,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1901765607, now seen corresponding path program 1 times [2020-08-21 19:49:56,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:49:56,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188521903] [2020-08-21 19:49:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:49:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:49:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:49:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:49:56,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188521903] [2020-08-21 19:49:56,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:49:56,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:49:56,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140002288] [2020-08-21 19:49:56,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:49:56,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:49:56,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:49:56,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:49:56,763 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-21 19:49:58,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:49:58,512 INFO L93 Difference]: Finished difference Result 1823 states and 2680 transitions. [2020-08-21 19:49:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 19:49:58,512 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-08-21 19:49:58,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:49:58,522 INFO L225 Difference]: With dead ends: 1823 [2020-08-21 19:49:58,522 INFO L226 Difference]: Without dead ends: 1210 [2020-08-21 19:49:58,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 19:49:58,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-08-21 19:49:58,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1035. [2020-08-21 19:49:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-21 19:49:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-21 19:49:58,587 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 142 [2020-08-21 19:49:58,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:49:58,588 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-21 19:49:58,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:49:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-21 19:49:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-21 19:49:58,595 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:49:58,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 19:49:58,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 19:49:58,596 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:49:58,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:49:58,596 INFO L82 PathProgramCache]: Analyzing trace with hash -2032949574, now seen corresponding path program 1 times [2020-08-21 19:49:58,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:49:58,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692546855] [2020-08-21 19:49:58,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:49:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:58,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:49:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:49:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:49:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:49:58,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692546855] [2020-08-21 19:49:58,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:49:58,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 19:49:58,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101491196] [2020-08-21 19:49:58,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:49:58,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:49:58,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:49:58,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:49:58,785 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-21 19:50:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:00,221 INFO L93 Difference]: Finished difference Result 2666 states and 3891 transitions. [2020-08-21 19:50:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 19:50:00,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-08-21 19:50:00,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:00,234 INFO L225 Difference]: With dead ends: 2666 [2020-08-21 19:50:00,234 INFO L226 Difference]: Without dead ends: 1637 [2020-08-21 19:50:00,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 19:50:00,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-08-21 19:50:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1484. [2020-08-21 19:50:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-08-21 19:50:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2105 transitions. [2020-08-21 19:50:00,293 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2105 transitions. Word has length 153 [2020-08-21 19:50:00,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:00,294 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 2105 transitions. [2020-08-21 19:50:00,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:50:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2105 transitions. [2020-08-21 19:50:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-08-21 19:50:00,298 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:00,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 19:50:00,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 19:50:00,299 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:00,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:00,299 INFO L82 PathProgramCache]: Analyzing trace with hash 586944646, now seen corresponding path program 1 times [2020-08-21 19:50:00,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:00,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566722959] [2020-08-21 19:50:00,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 19:50:00,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566722959] [2020-08-21 19:50:00,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 19:50:00,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 19:50:00,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244964174] [2020-08-21 19:50:00,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 19:50:00,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:00,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 19:50:00,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 19:50:00,578 INFO L87 Difference]: Start difference. First operand 1484 states and 2105 transitions. Second operand 8 states. [2020-08-21 19:50:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:02,925 INFO L93 Difference]: Finished difference Result 4289 states and 6334 transitions. [2020-08-21 19:50:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 19:50:02,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-08-21 19:50:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:02,945 INFO L225 Difference]: With dead ends: 4289 [2020-08-21 19:50:02,945 INFO L226 Difference]: Without dead ends: 2954 [2020-08-21 19:50:02,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 19:50:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2020-08-21 19:50:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2513. [2020-08-21 19:50:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-08-21 19:50:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3479 transitions. [2020-08-21 19:50:03,034 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3479 transitions. Word has length 175 [2020-08-21 19:50:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:03,034 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3479 transitions. [2020-08-21 19:50:03,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 19:50:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3479 transitions. [2020-08-21 19:50:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-21 19:50:03,039 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:03,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:50:03,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 19:50:03,040 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:03,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1905070339, now seen corresponding path program 1 times [2020-08-21 19:50:03,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:03,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033063128] [2020-08-21 19:50:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:03,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 19:50:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 176 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 19:50:03,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033063128] [2020-08-21 19:50:03,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:50:03,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 19:50:03,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270624999] [2020-08-21 19:50:03,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 19:50:03,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:03,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 19:50:03,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 19:50:03,369 INFO L87 Difference]: Start difference. First operand 2513 states and 3479 transitions. Second operand 10 states. [2020-08-21 19:50:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:07,294 INFO L93 Difference]: Finished difference Result 5904 states and 8205 transitions. [2020-08-21 19:50:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 19:50:07,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-08-21 19:50:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:07,325 INFO L225 Difference]: With dead ends: 5904 [2020-08-21 19:50:07,326 INFO L226 Difference]: Without dead ends: 3397 [2020-08-21 19:50:07,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-21 19:50:07,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-08-21 19:50:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2525. [2020-08-21 19:50:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states. [2020-08-21 19:50:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3229 transitions. [2020-08-21 19:50:07,419 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3229 transitions. Word has length 212 [2020-08-21 19:50:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:07,420 INFO L479 AbstractCegarLoop]: Abstraction has 2525 states and 3229 transitions. [2020-08-21 19:50:07,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 19:50:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3229 transitions. [2020-08-21 19:50:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-08-21 19:50:07,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:07,429 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, 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, 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] [2020-08-21 19:50:07,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 19:50:07,429 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:07,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1481429953, now seen corresponding path program 1 times [2020-08-21 19:50:07,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:07,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489727997] [2020-08-21 19:50:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:07,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 19:50:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:07,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-21 19:50:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 176 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 19:50:08,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489727997] [2020-08-21 19:50:08,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:50:08,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 19:50:08,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517645882] [2020-08-21 19:50:08,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 19:50:08,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:08,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 19:50:08,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 19:50:08,161 INFO L87 Difference]: Start difference. First operand 2525 states and 3229 transitions. Second operand 10 states. [2020-08-21 19:50:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:10,950 INFO L93 Difference]: Finished difference Result 5591 states and 7496 transitions. [2020-08-21 19:50:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 19:50:10,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 298 [2020-08-21 19:50:10,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:10,972 INFO L225 Difference]: With dead ends: 5591 [2020-08-21 19:50:10,973 INFO L226 Difference]: Without dead ends: 3072 [2020-08-21 19:50:10,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-21 19:50:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2020-08-21 19:50:11,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 2968. [2020-08-21 19:50:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2968 states. [2020-08-21 19:50:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 3720 transitions. [2020-08-21 19:50:11,102 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 3720 transitions. Word has length 298 [2020-08-21 19:50:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:11,103 INFO L479 AbstractCegarLoop]: Abstraction has 2968 states and 3720 transitions. [2020-08-21 19:50:11,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 19:50:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3720 transitions. [2020-08-21 19:50:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-08-21 19:50:11,166 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:11,166 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 19:50:11,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 19:50:11,166 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:11,167 INFO L82 PathProgramCache]: Analyzing trace with hash -492947714, now seen corresponding path program 1 times [2020-08-21 19:50:11,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:11,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350635134] [2020-08-21 19:50:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:11,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:11,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 19:50:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-08-21 19:50:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 168 proven. 144 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-08-21 19:50:11,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350635134] [2020-08-21 19:50:11,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:50:11,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 19:50:11,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357982957] [2020-08-21 19:50:11,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 19:50:11,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:11,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 19:50:11,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 19:50:11,487 INFO L87 Difference]: Start difference. First operand 2968 states and 3720 transitions. Second operand 7 states. [2020-08-21 19:50:12,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:12,755 INFO L93 Difference]: Finished difference Result 5803 states and 7359 transitions. [2020-08-21 19:50:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 19:50:12,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-08-21 19:50:12,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:12,775 INFO L225 Difference]: With dead ends: 5803 [2020-08-21 19:50:12,775 INFO L226 Difference]: Without dead ends: 2984 [2020-08-21 19:50:12,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 19:50:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2020-08-21 19:50:12,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2970. [2020-08-21 19:50:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2020-08-21 19:50:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3719 transitions. [2020-08-21 19:50:12,858 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3719 transitions. Word has length 305 [2020-08-21 19:50:12,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:12,859 INFO L479 AbstractCegarLoop]: Abstraction has 2970 states and 3719 transitions. [2020-08-21 19:50:12,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 19:50:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3719 transitions. [2020-08-21 19:50:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-08-21 19:50:12,874 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:12,874 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, 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, 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] [2020-08-21 19:50:12,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 19:50:12,875 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:12,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:12,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1114455267, now seen corresponding path program 1 times [2020-08-21 19:50:12,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:12,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101141520] [2020-08-21 19:50:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:13,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 19:50:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-21 19:50:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 322 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-21 19:50:13,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101141520] [2020-08-21 19:50:13,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:50:13,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 19:50:13,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229308586] [2020-08-21 19:50:13,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 19:50:13,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 19:50:13,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 19:50:13,338 INFO L87 Difference]: Start difference. First operand 2970 states and 3719 transitions. Second operand 9 states. [2020-08-21 19:50:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:16,868 INFO L93 Difference]: Finished difference Result 7517 states and 9420 transitions. [2020-08-21 19:50:16,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 19:50:16,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 338 [2020-08-21 19:50:16,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:16,881 INFO L225 Difference]: With dead ends: 7517 [2020-08-21 19:50:16,881 INFO L226 Difference]: Without dead ends: 3087 [2020-08-21 19:50:16,892 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 [2020-08-21 19:50:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2020-08-21 19:50:16,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 2368. [2020-08-21 19:50:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-08-21 19:50:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 2657 transitions. [2020-08-21 19:50:16,955 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 2657 transitions. Word has length 338 [2020-08-21 19:50:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:16,956 INFO L479 AbstractCegarLoop]: Abstraction has 2368 states and 2657 transitions. [2020-08-21 19:50:16,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 19:50:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 2657 transitions. [2020-08-21 19:50:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-08-21 19:50:16,968 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 19:50:16,968 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, 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, 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] [2020-08-21 19:50:16,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 19:50:16,969 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 19:50:16,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 19:50:16,969 INFO L82 PathProgramCache]: Analyzing trace with hash -155150423, now seen corresponding path program 1 times [2020-08-21 19:50:16,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 19:50:16,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182075582] [2020-08-21 19:50:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 19:50:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 19:50:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 19:50:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 19:50:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-21 19:50:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-21 19:50:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 19:50:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 424 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-21 19:50:17,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182075582] [2020-08-21 19:50:17,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 19:50:17,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 19:50:17,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084143357] [2020-08-21 19:50:17,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 19:50:17,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 19:50:17,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 19:50:17,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-21 19:50:17,956 INFO L87 Difference]: Start difference. First operand 2368 states and 2657 transitions. Second operand 12 states. [2020-08-21 19:50:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 19:50:21,699 INFO L93 Difference]: Finished difference Result 5626 states and 6403 transitions. [2020-08-21 19:50:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 19:50:21,700 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 420 [2020-08-21 19:50:21,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 19:50:21,700 INFO L225 Difference]: With dead ends: 5626 [2020-08-21 19:50:21,700 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 19:50:21,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2020-08-21 19:50:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 19:50:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 19:50:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 19:50:21,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 19:50:21,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2020-08-21 19:50:21,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 19:50:21,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 19:50:21,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 19:50:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 19:50:21,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 19:50:21,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 19:50:21,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 19:50:22,498 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 186 [2020-08-21 19:50:22,792 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 186 [2020-08-21 19:50:24,336 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 249 DAG size of output: 67 [2020-08-21 19:50:25,456 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 179 DAG size of output: 72 [2020-08-21 19:50:26,546 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 179 DAG size of output: 72 [2020-08-21 19:50:26,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:50:26,551 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-21 19:50:26,552 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:50:26,552 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 19:50:26,552 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,552 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,552 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 19:50:26,553 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,554 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 19:50:26,555 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 19:50:26,556 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,557 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 19:50:26,558 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,559 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 19:50:26,560 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 19:50:26,561 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,562 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 19:50:26,563 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 19:50:26,564 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 19:50:26,565 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 19:50:26,566 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse10 (= 9 |old(~a19~0)|))) (let ((.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0))) (.cse4 (not (<= |old(~a10~0)| 0))) (.cse6 (= 8 |old(~a19~0)|)) (.cse7 (not (<= |old(~a1~0)| 23))) (.cse9 (= 2 |old(~a10~0)|)) (.cse5 (not .cse10)) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse8 (not (<= 2 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2 (not (< 38 |old(~a1~0)|)) .cse3) (or (not (<= 23 |old(~a1~0)|)) .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse6) (or .cse4 .cse0 .cse7 .cse1 .cse6) (or .cse0 .cse8 .cse9) (or .cse10 .cse0 .cse1 .cse6 (= 0 |old(~a10~0)|)) (or .cse0 .cse7 .cse8 .cse1) (or (not (<= 10 |old(~a19~0)|)) .cse0 .cse9) (or .cse5 .cse0 (not (<= (+ |old(~a1~0)| 13) 0))) (or .cse10 .cse0 .cse8 .cse1)))) [2020-08-21 19:50:26,566 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 19:50:26,566 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 19:50:26,566 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 19:50:26,566 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 19:50:26,567 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 19:50:26,568 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 19:50:26,569 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 19:50:26,570 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 19:50:26,571 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 19:50:26,572 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 19:50:26,573 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 19:50:26,573 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 19:50:26,573 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 19:50:26,573 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 19:50:26,573 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-21 19:50:26,573 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 19:50:26,574 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse7 (= ~a19~0 8))) (let ((.cse3 (<= 2 ~a10~0)) (.cse2 (not (= ~a10~0 2))) (.cse8 (not .cse7)) (.cse4 (not (= ~a19~0 9))) (.cse5 (<= ~a19~0 9)) (.cse0 (<= ~a10~0 0)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= 0 |old(~a10~0)|))) (or (and .cse0 (<= 23 ~a1~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3 .cse1) (and (= ~a1~0 |old(~a1~0)|) .cse6 (= ~a10~0 |old(~a10~0)|)) (and .cse5 (<= ~a1~0 23) .cse3 .cse1) (and (< 38 ~a1~0) .cse5 .cse1) (and .cse7 (= ~a10~0 1) (<= 331505 ~a1~0)) (and (<= 10 ~a19~0) .cse2 .cse1) (not (= ~a12~0 0)) (and (<= (+ ~a1~0 13) 0) .cse8 .cse5 .cse1) (not (<= 23 |old(~a1~0)|)) (and .cse8 .cse4 .cse5 .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse0 .cse6 .cse1)))) [2020-08-21 19:50:26,574 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 19:50:26,574 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 19:50:26,574 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse7 (= ~a19~0 8))) (let ((.cse3 (<= 2 ~a10~0)) (.cse2 (not (= ~a10~0 2))) (.cse8 (not .cse7)) (.cse4 (not (= ~a19~0 9))) (.cse5 (<= ~a19~0 9)) (.cse0 (<= ~a10~0 0)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= 0 |old(~a10~0)|))) (or (and .cse0 (<= 23 ~a1~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3 .cse1) (and (= ~a1~0 |old(~a1~0)|) .cse6 (= ~a10~0 |old(~a10~0)|)) (and .cse5 (<= ~a1~0 23) .cse3 .cse1) (and (< 38 ~a1~0) .cse5 .cse1) (and .cse7 (= ~a10~0 1) (<= 331505 ~a1~0)) (and (<= 10 ~a19~0) .cse2 .cse1) (not (= ~a12~0 0)) (and (<= (+ ~a1~0 13) 0) .cse8 .cse5 .cse1) (not (<= 23 |old(~a1~0)|)) (and .cse8 .cse4 .cse5 .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse0 .cse6 .cse1)))) [2020-08-21 19:50:26,574 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 19:50:26,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:50:26 BoogieIcfgContainer [2020-08-21 19:50:26,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 19:50:26,601 INFO L168 Benchmark]: Toolchain (without parser) took 37643.65 ms. Allocated memory was 141.0 MB in the beginning and 613.4 MB in the end (delta: 472.4 MB). Free memory was 102.7 MB in the beginning and 146.7 MB in the end (delta: -43.9 MB). Peak memory consumption was 487.5 MB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,602 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.65 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 169.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,603 INFO L168 Benchmark]: Boogie Preprocessor took 137.53 ms. Allocated memory is still 205.5 MB. Free memory was 169.3 MB in the beginning and 165.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,604 INFO L168 Benchmark]: RCFGBuilder took 1493.04 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 176.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,605 INFO L168 Benchmark]: TraceAbstraction took 35253.23 ms. Allocated memory was 237.0 MB in the beginning and 613.4 MB in the end (delta: 376.4 MB). Free memory was 174.7 MB in the beginning and 146.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. [2020-08-21 19:50:26,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.65 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 169.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.53 ms. Allocated memory is still 205.5 MB. Free memory was 169.3 MB in the beginning and 165.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1493.04 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 176.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35253.23 ms. Allocated memory was 237.0 MB in the beginning and 613.4 MB in the end (delta: 376.4 MB). Free memory was 174.7 MB in the beginning and 146.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 463.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((((((((a10 <= 0 && 23 <= a1) && 0 == \old(a10)) || ((!(a10 == 2) && 2 <= a10) && 0 == \old(a10))) || (((!(a19 == 9) && a19 <= 9) && 2 <= a10) && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || (((a19 <= 9 && a1 <= 23) && 2 <= a10) && 0 == \old(a10))) || ((38 < a1 && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((10 <= a19 && !(a10 == 2)) && 0 == \old(a10))) || !(a12 == 0)) || (((a1 + 13 <= 0 && !(a19 == 8)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || (((!(a19 == 8) && !(a19 == 9)) && a19 <= 9) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 <= 0 && a19 == \old(a19)) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 6914 SDslu, 563 SDs, 0 SdLazy, 16600 SolverSat, 2108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2970occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 155 PreInvPairs, 231 NumberOfFragments, 650 HoareAnnotationTreeSize, 155 FomulaSimplifications, 99964 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14922 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2242 NumberOfCodeBlocks, 2242 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2232 ConstructedInterpolants, 0 QuantifiedInterpolants, 2178407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1498/2300 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...