/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:52:16,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:52:16,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:52:16,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:52:16,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:52:16,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:52:16,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:52:16,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:52:16,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:52:16,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:52:16,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:52:16,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:52:16,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:52:16,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:52:16,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:52:16,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:52:16,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:52:16,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:52:16,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:52:16,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:52:16,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:52:16,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:52:16,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:52:16,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:52:16,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 23:52:16,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:52:16,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:52:16,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:52:16,453 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 23:52:16,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:52:16,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:52:16,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:52:16,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:52:16,511 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:52:16,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:52:16,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:52:16,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:52:16,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:52:16,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:52:16,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:52:16,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:52:16,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:52:16,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:52:16,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:52:16,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:52:16,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:52:16,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:52:16,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:52:16,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:52:16,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:52:16,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:52:16,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:52:16,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:52:16,523 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:52:16,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:52:16,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:52:16,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:52:16,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:52:16,920 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:52:16,921 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-08-21 23:52:16,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f47819c8e/318cf720affa4b5c9700062e5545892e/FLAGc1bf873c4 [2020-08-21 23:52:17,575 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:52:17,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-08-21 23:52:17,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f47819c8e/318cf720affa4b5c9700062e5545892e/FLAGc1bf873c4 [2020-08-21 23:52:17,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f47819c8e/318cf720affa4b5c9700062e5545892e [2020-08-21 23:52:17,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:52:17,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:52:17,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:52:17,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:52:17,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:52:17,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:52:17" (1/1) ... [2020-08-21 23:52:17,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:17, skipping insertion in model container [2020-08-21 23:52:17,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:52:17" (1/1) ... [2020-08-21 23:52:17,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:52:17,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:52:18,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:52:18,483 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:52:18,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:52:18,684 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:52:18,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18 WrapperNode [2020-08-21 23:52:18,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:52:18,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:52:18,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:52:18,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:52:18,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (1/1) ... [2020-08-21 23:52:18,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:52:18,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:52:18,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:52:18,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:52:18,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (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 23:52:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:52:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:52:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 23:52:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:52:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 23:52:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:52:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:52:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 23:52:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:52:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:52:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:52:20,164 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:52:20,165 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 23:52:20,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:52:20 BoogieIcfgContainer [2020-08-21 23:52:20,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:52:20,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:52:20,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:52:20,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:52:20,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:52:17" (1/3) ... [2020-08-21 23:52:20,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:52:20, skipping insertion in model container [2020-08-21 23:52:20,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:52:18" (2/3) ... [2020-08-21 23:52:20,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:52:20, skipping insertion in model container [2020-08-21 23:52:20,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:52:20" (3/3) ... [2020-08-21 23:52:20,181 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-08-21 23:52:20,194 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:52:20,204 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:52:20,222 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:52:20,255 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:52:20,256 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:52:20,256 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:52:20,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:52:20,256 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:52:20,256 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:52:20,257 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:52:20,257 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:52:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 23:52:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 23:52:20,294 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:20,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:52:20,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:20,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:20,303 INFO L82 PathProgramCache]: Analyzing trace with hash 664864703, now seen corresponding path program 1 times [2020-08-21 23:52:20,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:20,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590105355] [2020-08-21 23:52:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:20,785 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 23:52:20,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590105355] [2020-08-21 23:52:20,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:52:20,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:52:20,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810219153] [2020-08-21 23:52:20,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:52:20,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:20,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:52:20,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:52:20,814 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 23:52:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:22,794 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 23:52:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:52:22,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-08-21 23:52:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:22,815 INFO L225 Difference]: With dead ends: 730 [2020-08-21 23:52:22,815 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 23:52:22,823 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 23:52:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 23:52:22,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 23:52:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 23:52:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 23:52:22,912 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 68 [2020-08-21 23:52:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:22,913 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 23:52:22,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:52:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 23:52:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-21 23:52:22,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:22,922 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, 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] [2020-08-21 23:52:22,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:52:22,922 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:22,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:22,923 INFO L82 PathProgramCache]: Analyzing trace with hash -613948535, now seen corresponding path program 1 times [2020-08-21 23:52:22,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:22,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168040703] [2020-08-21 23:52:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:23,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:23,233 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:52:23,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168040703] [2020-08-21 23:52:23,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:52:23,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:52:23,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404023394] [2020-08-21 23:52:23,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:52:23,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:52:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:52:23,237 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 23:52:24,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:24,904 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-21 23:52:24,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:52:24,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-08-21 23:52:24,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:24,911 INFO L225 Difference]: With dead ends: 1041 [2020-08-21 23:52:24,911 INFO L226 Difference]: Without dead ends: 606 [2020-08-21 23:52:24,913 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 23:52:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-21 23:52:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-21 23:52:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-21 23:52:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-21 23:52:24,976 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 141 [2020-08-21 23:52:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:24,977 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-21 23:52:24,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:52:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-21 23:52:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-08-21 23:52:24,991 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:24,992 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, 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] [2020-08-21 23:52:24,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:52:24,992 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:24,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:24,995 INFO L82 PathProgramCache]: Analyzing trace with hash -628006051, now seen corresponding path program 1 times [2020-08-21 23:52:24,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:24,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017454473] [2020-08-21 23:52:24,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:25,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:25,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:52:25,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017454473] [2020-08-21 23:52:25,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:25,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:52:25,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078286513] [2020-08-21 23:52:25,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:52:25,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:25,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:52:25,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:52:25,290 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-21 23:52:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:27,075 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-21 23:52:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 23:52:27,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-08-21 23:52:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:27,093 INFO L225 Difference]: With dead ends: 1821 [2020-08-21 23:52:27,093 INFO L226 Difference]: Without dead ends: 1208 [2020-08-21 23:52:27,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 23:52:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-21 23:52:27,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1035. [2020-08-21 23:52:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-21 23:52:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-21 23:52:27,169 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 147 [2020-08-21 23:52:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:27,170 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-21 23:52:27,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:52:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-21 23:52:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 23:52:27,176 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:27,176 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, 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] [2020-08-21 23:52:27,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:52:27,176 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:27,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1447893882, now seen corresponding path program 1 times [2020-08-21 23:52:27,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:27,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997001123] [2020-08-21 23:52:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:27,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:52:27,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997001123] [2020-08-21 23:52:27,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:52:27,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 23:52:27,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107299937] [2020-08-21 23:52:27,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:52:27,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:27,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:52:27,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:52:27,387 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-21 23:52:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:28,777 INFO L93 Difference]: Finished difference Result 2664 states and 3890 transitions. [2020-08-21 23:52:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 23:52:28,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-08-21 23:52:28,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:28,788 INFO L225 Difference]: With dead ends: 2664 [2020-08-21 23:52:28,789 INFO L226 Difference]: Without dead ends: 1635 [2020-08-21 23:52:28,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 23:52:28,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-08-21 23:52:28,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1339. [2020-08-21 23:52:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-08-21 23:52:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1904 transitions. [2020-08-21 23:52:28,841 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1904 transitions. Word has length 158 [2020-08-21 23:52:28,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:28,842 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1904 transitions. [2020-08-21 23:52:28,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:52:28,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1904 transitions. [2020-08-21 23:52:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-21 23:52:28,846 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:28,846 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, 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] [2020-08-21 23:52:28,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:52:28,847 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:28,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:28,847 INFO L82 PathProgramCache]: Analyzing trace with hash -354154514, now seen corresponding path program 1 times [2020-08-21 23:52:28,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:28,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198951637] [2020-08-21 23:52:28,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:28,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:28,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:52:29,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198951637] [2020-08-21 23:52:29,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:52:29,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 23:52:29,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611073180] [2020-08-21 23:52:29,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 23:52:29,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:29,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 23:52:29,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 23:52:29,138 INFO L87 Difference]: Start difference. First operand 1339 states and 1904 transitions. Second operand 8 states. [2020-08-21 23:52:31,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:31,294 INFO L93 Difference]: Finished difference Result 3999 states and 5910 transitions. [2020-08-21 23:52:31,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:52:31,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-08-21 23:52:31,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:31,315 INFO L225 Difference]: With dead ends: 3999 [2020-08-21 23:52:31,315 INFO L226 Difference]: Without dead ends: 2809 [2020-08-21 23:52:31,322 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 23:52:31,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2020-08-21 23:52:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2368. [2020-08-21 23:52:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-08-21 23:52:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3265 transitions. [2020-08-21 23:52:31,417 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3265 transitions. Word has length 180 [2020-08-21 23:52:31,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:31,418 INFO L479 AbstractCegarLoop]: Abstraction has 2368 states and 3265 transitions. [2020-08-21 23:52:31,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 23:52:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3265 transitions. [2020-08-21 23:52:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 23:52:31,423 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:31,424 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, 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, 1] [2020-08-21 23:52:31,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:52:31,425 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:31,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:31,425 INFO L82 PathProgramCache]: Analyzing trace with hash -157046822, now seen corresponding path program 1 times [2020-08-21 23:52:31,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:31,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971074156] [2020-08-21 23:52:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 23:52:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 186 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:52:31,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971074156] [2020-08-21 23:52:31,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:31,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 23:52:31,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992795659] [2020-08-21 23:52:31,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:52:31,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:31,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:52:31,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:52:31,783 INFO L87 Difference]: Start difference. First operand 2368 states and 3265 transitions. Second operand 10 states. [2020-08-21 23:52:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:35,634 INFO L93 Difference]: Finished difference Result 5616 states and 7776 transitions. [2020-08-21 23:52:35,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 23:52:35,642 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-08-21 23:52:35,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:35,662 INFO L225 Difference]: With dead ends: 5616 [2020-08-21 23:52:35,663 INFO L226 Difference]: Without dead ends: 3254 [2020-08-21 23:52:35,670 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 23:52:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2020-08-21 23:52:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2960. [2020-08-21 23:52:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-08-21 23:52:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3805 transitions. [2020-08-21 23:52:35,768 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3805 transitions. Word has length 217 [2020-08-21 23:52:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:35,768 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3805 transitions. [2020-08-21 23:52:35,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:52:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3805 transitions. [2020-08-21 23:52:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-08-21 23:52:35,774 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:35,775 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:52:35,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 23:52:35,775 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:35,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:35,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1152671735, now seen corresponding path program 1 times [2020-08-21 23:52:35,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:35,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148670362] [2020-08-21 23:52:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:35,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 23:52:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 122 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 23:52:36,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148670362] [2020-08-21 23:52:36,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:36,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:52:36,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74490056] [2020-08-21 23:52:36,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:52:36,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:36,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:52:36,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:52:36,187 INFO L87 Difference]: Start difference. First operand 2960 states and 3805 transitions. Second operand 7 states. [2020-08-21 23:52:37,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:37,937 INFO L93 Difference]: Finished difference Result 6073 states and 7848 transitions. [2020-08-21 23:52:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 23:52:37,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-08-21 23:52:37,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:37,957 INFO L225 Difference]: With dead ends: 6073 [2020-08-21 23:52:37,958 INFO L226 Difference]: Without dead ends: 3119 [2020-08-21 23:52:37,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:52:37,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-08-21 23:52:38,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3105. [2020-08-21 23:52:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2020-08-21 23:52:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 3960 transitions. [2020-08-21 23:52:38,061 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 3960 transitions. Word has length 254 [2020-08-21 23:52:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:38,062 INFO L479 AbstractCegarLoop]: Abstraction has 3105 states and 3960 transitions. [2020-08-21 23:52:38,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:52:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3960 transitions. [2020-08-21 23:52:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-08-21 23:52:38,071 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:38,071 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:38,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 23:52:38,072 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:38,072 INFO L82 PathProgramCache]: Analyzing trace with hash -722051440, now seen corresponding path program 1 times [2020-08-21 23:52:38,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:38,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378592925] [2020-08-21 23:52:38,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:38,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:38,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:38,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 23:52:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:52:38,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378592925] [2020-08-21 23:52:38,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:38,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:52:38,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658011111] [2020-08-21 23:52:38,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:52:38,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:38,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:52:38,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:52:38,436 INFO L87 Difference]: Start difference. First operand 3105 states and 3960 transitions. Second operand 7 states. [2020-08-21 23:52:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:42,129 INFO L93 Difference]: Finished difference Result 6069 states and 7818 transitions. [2020-08-21 23:52:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:52:42,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-08-21 23:52:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:42,148 INFO L225 Difference]: With dead ends: 6069 [2020-08-21 23:52:42,149 INFO L226 Difference]: Without dead ends: 3113 [2020-08-21 23:52:42,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 23:52:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2020-08-21 23:52:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2674. [2020-08-21 23:52:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-08-21 23:52:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3207 transitions. [2020-08-21 23:52:42,236 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3207 transitions. Word has length 273 [2020-08-21 23:52:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:42,237 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3207 transitions. [2020-08-21 23:52:42,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:52:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3207 transitions. [2020-08-21 23:52:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-08-21 23:52:42,245 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:42,245 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:42,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 23:52:42,245 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:42,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash 713327541, now seen corresponding path program 1 times [2020-08-21 23:52:42,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:42,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277296331] [2020-08-21 23:52:42,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:42,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:42,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 23:52:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:52:42,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277296331] [2020-08-21 23:52:42,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:42,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 23:52:42,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000431740] [2020-08-21 23:52:42,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 23:52:42,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:42,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 23:52:42,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:52:42,726 INFO L87 Difference]: Start difference. First operand 2674 states and 3207 transitions. Second operand 7 states. [2020-08-21 23:52:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:44,364 INFO L93 Difference]: Finished difference Result 5209 states and 6286 transitions. [2020-08-21 23:52:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:52:44,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2020-08-21 23:52:44,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:44,378 INFO L225 Difference]: With dead ends: 5209 [2020-08-21 23:52:44,378 INFO L226 Difference]: Without dead ends: 2684 [2020-08-21 23:52:44,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 23:52:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-08-21 23:52:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2235. [2020-08-21 23:52:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 23:52:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-21 23:52:44,451 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 280 [2020-08-21 23:52:44,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:44,451 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-21 23:52:44,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 23:52:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-21 23:52:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-08-21 23:52:44,460 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:52:44,461 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:44,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 23:52:44,461 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:52:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:52:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1723286891, now seen corresponding path program 1 times [2020-08-21 23:52:44,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:52:44,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222115656] [2020-08-21 23:52:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:52:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:52:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 23:52:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:44,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 23:52:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:52:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-21 23:52:44,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222115656] [2020-08-21 23:52:44,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 23:52:44,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 23:52:44,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780288571] [2020-08-21 23:52:44,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:52:44,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:52:44,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:52:44,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:52:44,847 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-21 23:52:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:52:46,027 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-21 23:52:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 23:52:46,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 324 [2020-08-21 23:52:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:52:46,029 INFO L225 Difference]: With dead ends: 4762 [2020-08-21 23:52:46,029 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:52:46,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 23:52:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:52:46,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:52:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:52:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:52:46,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2020-08-21 23:52:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:52:46,039 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:52:46,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:52:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:52:46,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:52:46,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 23:52:46,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:52:47,445 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2020-08-21 23:52:48,108 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 23:52:48,742 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 23:52:48,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:52:48,747 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 23:52:48,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:52:48,748 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 23:52:48,748 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,748 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,748 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,749 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,749 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,749 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,749 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 23:52:48,749 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 23:52:48,750 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 23:52:48,750 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 23:52:48,750 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 23:52:48,750 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,751 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 23:52:48,752 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 23:52:48,753 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,754 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 23:52:48,755 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,756 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 23:52:48,757 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,758 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 23:52:48,759 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,760 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 23:52:48,761 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 23:52:48,762 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,763 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 23:52:48,764 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,765 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 23:52:48,766 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 23:52:48,767 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 23:52:48,767 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 23:52:48,767 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 23:52:48,767 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= |old(~a10~0)| 1))) (.cse0 (not (<= 9 |old(~a19~0)|))) (.cse6 (not (<= |old(~a1~0)| 23))) (.cse7 (not (<= |old(~a10~0)| 0))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse2 .cse4 .cse5) (or .cse2 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse2 (and (or .cse6 .cse3) (or .cse3 (= 8 |old(~a19~0)|)))) (or .cse2 (and (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse7 .cse6))) (or .cse7 .cse2 .cse3 .cse4 .cse5))) [2020-08-21 23:52:48,767 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,768 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 23:52:48,769 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,770 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 23:52:48,771 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,772 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 23:52:48,773 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 23:52:48,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:52:48,775 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 23:52:48,775 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:52:48,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:52:48,775 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 23:52:48,775 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 23:52:48,776 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 23:52:48,776 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 23:52:48,776 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 23:52:48,776 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 23:52:48,776 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 23:52:48,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:52:48 BoogieIcfgContainer [2020-08-21 23:52:48,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:52:48,803 INFO L168 Benchmark]: Toolchain (without parser) took 30958.69 ms. Allocated memory was 138.4 MB in the beginning and 561.5 MB in the end (delta: 423.1 MB). Free memory was 98.4 MB in the beginning and 132.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,804 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 138.4 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 167.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,805 INFO L168 Benchmark]: Boogie Preprocessor took 111.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 162.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,806 INFO L168 Benchmark]: RCFGBuilder took 1373.14 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.4 MB in the beginning and 178.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,807 INFO L168 Benchmark]: TraceAbstraction took 28628.07 ms. Allocated memory was 232.8 MB in the beginning and 561.5 MB in the end (delta: 328.7 MB). Free memory was 178.2 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Peak memory consumption was 389.0 MB. Max. memory is 7.1 GB. [2020-08-21 23:52:48,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 138.4 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 840.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 167.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 162.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.14 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.4 MB in the beginning and 178.2 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28628.07 ms. Allocated memory was 232.8 MB in the beginning and 561.5 MB in the end (delta: 328.7 MB). Free memory was 178.2 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Peak memory consumption was 389.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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 == 2 && a19 <= 9) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 <= 0 && a1 <= 23) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || (0 == \old(a10) && a10 == \old(a10))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || ((a19 <= 9 && a1 <= 23) && 0 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 5319 SDslu, 485 SDs, 0 SdLazy, 12009 SolverSat, 1475 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3105occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 176 NumberOfFragments, 514 HoareAnnotationTreeSize, 136 FomulaSimplifications, 60824 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7145 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2042 NumberOfCodeBlocks, 2042 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2032 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1176/1289 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...