/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:54:52,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:54:52,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:54:52,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:54:52,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:54:52,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:54:52,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:54:52,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:54:52,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:54:52,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:54:52,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:54:52,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:54:52,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:54:52,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:54:52,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:54:52,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:54:52,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:54:52,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:54:52,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:54:52,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:54:52,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:54:52,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:54:52,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:54:52,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:54:52,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 22:54:52,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 22:54:52,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 22:54:52,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 22:54:52,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 22:54:52,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 22:54:52,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 22:54:52,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 22:54:52,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 22:54:52,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 22:54:52,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 22:54:52,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 22:54:52,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 22:54:52,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 22:54:52,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:54:52,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:54:52,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:54:52,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:54:52,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:54:52,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:54:52,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:54:52,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:54:52,763 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:54:52,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:54:52,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:54:52,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:54:52,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:54:52,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:54:52,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:54:52,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:54:52,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:54:52,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:54:52,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:54:52,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:54:52,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:54:52,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:54:52,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:54:52,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:54:52,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:54:52,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:54:52,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:54:52,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:54:52,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:54:52,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:54:52,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:52,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:54:52,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:54:52,769 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:54:53,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:54:53,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:54:53,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:54:53,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:54:53,090 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:54:53,091 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-07-21 22:54:53,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5e05ef0/11f16da5d22a42039daafa46b262093e/FLAGcc86883d9 [2020-07-21 22:54:53,673 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:54:53,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-07-21 22:54:53,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5e05ef0/11f16da5d22a42039daafa46b262093e/FLAGcc86883d9 [2020-07-21 22:54:53,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5e05ef0/11f16da5d22a42039daafa46b262093e [2020-07-21 22:54:53,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:54:53,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:54:53,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:54:53,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:54:53,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:54:53,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:54:53" (1/1) ... [2020-07-21 22:54:53,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece8b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:53, skipping insertion in model container [2020-07-21 22:54:53,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:54:53" (1/1) ... [2020-07-21 22:54:53,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:54:54,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:54:54,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:54:54,422 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:54:54,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:54:54,635 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:54:54,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54 WrapperNode [2020-07-21 22:54:54,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:54:54,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:54:54,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:54:54,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:54:54,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... [2020-07-21 22:54:54,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:54:54,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:54:54,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:54:54,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:54:54,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 22:54:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:54:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:54:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:54:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:54:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:54:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:54:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:54:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:54:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:54:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:54:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:54:55,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:54:55,881 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:54:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:54:55 BoogieIcfgContainer [2020-07-21 22:54:55,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:54:55,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:54:55,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:54:55,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:54:55,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:54:53" (1/3) ... [2020-07-21 22:54:55,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a207523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:54:55, skipping insertion in model container [2020-07-21 22:54:55,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:54" (2/3) ... [2020-07-21 22:54:55,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a207523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:54:55, skipping insertion in model container [2020-07-21 22:54:55,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:54:55" (3/3) ... [2020-07-21 22:54:55,895 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-07-21 22:54:55,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:54:55,913 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:54:55,926 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:54:55,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:54:55,950 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:54:55,950 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:54:55,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:54:55,951 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:54:55,952 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:54:55,952 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:54:55,952 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:54:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:54:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-21 22:54:55,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:55,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:55,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:55,996 INFO L82 PathProgramCache]: Analyzing trace with hash 341704158, now seen corresponding path program 1 times [2020-07-21 22:54:56,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:56,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056028938] [2020-07-21 22:54:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:56,171 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:56,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:54:56,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:56,698 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:56,706 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:54:56,707 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:54:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:56,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:56,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056028938] [2020-07-21 22:54:56,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:56,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:54:56,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599297390] [2020-07-21 22:54:56,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:54:56,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:56,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:54:56,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:54:56,836 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:54:58,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:58,064 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:54:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:54:58,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2020-07-21 22:54:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:58,079 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:54:58,079 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:54:58,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:54:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:54:58,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:54:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:54:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:54:58,163 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 114 [2020-07-21 22:54:58,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:58,164 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:54:58,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:54:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:54:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-21 22:54:58,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:58,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:58,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:58,376 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1832961167, now seen corresponding path program 1 times [2020-07-21 22:54:58,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:58,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407490368] [2020-07-21 22:54:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:58,475 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:58,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:58,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:54:58,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:58,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:59,361 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:54:59,363 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:54:59,364 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:54:59,365 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:54:59,366 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:54:59,385 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:54:59,385 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:54:59,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:59,492 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:59,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407490368] [2020-07-21 22:54:59,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:59,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:54:59,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276875547] [2020-07-21 22:54:59,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:54:59,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:59,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:54:59,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:54:59,593 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:55:00,588 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:55:01,657 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:55:03,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:03,147 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 22:55:03,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:55:03,150 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 123 [2020-07-21 22:55:03,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:03,161 INFO L225 Difference]: With dead ends: 738 [2020-07-21 22:55:03,161 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 22:55:03,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 223 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:55:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 22:55:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 22:55:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:55:03,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 22:55:03,211 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 123 [2020-07-21 22:55:03,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:03,211 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 22:55:03,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:55:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 22:55:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 22:55:03,215 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:03,215 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:03,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:03,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:03,420 INFO L82 PathProgramCache]: Analyzing trace with hash 280763490, now seen corresponding path program 1 times [2020-07-21 22:55:03,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:03,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526067736] [2020-07-21 22:55:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:03,511 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:55:03,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:03,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:55:03,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:03,536 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:55:03,536 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:55:03,557 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:55:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:03,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:03,655 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:55:03,656 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:03,680 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:55:03,726 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:03,730 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:55:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:03,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526067736] [2020-07-21 22:55:03,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:03,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:03,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969512127] [2020-07-21 22:55:03,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:03,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:03,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:03,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:03,751 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 22:55:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:05,416 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 22:55:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 22:55:05,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-07-21 22:55:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:05,424 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 22:55:05,424 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 22:55:05,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 269 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-07-21 22:55:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 22:55:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 22:55:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:55:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1271 transitions. [2020-07-21 22:55:05,481 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1271 transitions. Word has length 135 [2020-07-21 22:55:05,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:05,481 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1271 transitions. [2020-07-21 22:55:05,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1271 transitions. [2020-07-21 22:55:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 22:55:05,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:05,486 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:05,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:05,690 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:05,690 INFO L82 PathProgramCache]: Analyzing trace with hash 27664569, now seen corresponding path program 1 times [2020-07-21 22:55:05,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:05,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937655465] [2020-07-21 22:55:05,691 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:05,858 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:55:05,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:05,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:05,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:55:05,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:05,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937655465] [2020-07-21 22:55:05,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:05,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:55:05,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769547810] [2020-07-21 22:55:05,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:55:05,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:05,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:55:05,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:05,931 INFO L87 Difference]: Start difference. First operand 1015 states and 1271 transitions. Second operand 3 states. [2020-07-21 22:55:06,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:06,534 INFO L93 Difference]: Finished difference Result 2320 states and 3002 transitions. [2020-07-21 22:55:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:55:06,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-21 22:55:06,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:06,542 INFO L225 Difference]: With dead ends: 2320 [2020-07-21 22:55:06,543 INFO L226 Difference]: Without dead ends: 1311 [2020-07-21 22:55:06,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:06,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-07-21 22:55:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1307. [2020-07-21 22:55:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1307 states. [2020-07-21 22:55:06,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1677 transitions. [2020-07-21 22:55:06,595 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1677 transitions. Word has length 156 [2020-07-21 22:55:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:06,596 INFO L479 AbstractCegarLoop]: Abstraction has 1307 states and 1677 transitions. [2020-07-21 22:55:06,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:55:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1677 transitions. [2020-07-21 22:55:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-21 22:55:06,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:06,602 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:06,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:06,818 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:06,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:06,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1887356234, now seen corresponding path program 1 times [2020-07-21 22:55:06,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:06,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705936132] [2020-07-21 22:55:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:06,905 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:06,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:06,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:06,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:55:06,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:55:07,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705936132] [2020-07-21 22:55:07,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:07,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 22:55:07,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782078656] [2020-07-21 22:55:07,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 22:55:07,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 22:55:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:55:07,028 INFO L87 Difference]: Start difference. First operand 1307 states and 1677 transitions. Second operand 8 states. [2020-07-21 22:55:08,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:08,138 INFO L93 Difference]: Finished difference Result 3180 states and 4224 transitions. [2020-07-21 22:55:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:55:08,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-07-21 22:55:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:08,148 INFO L225 Difference]: With dead ends: 3180 [2020-07-21 22:55:08,148 INFO L226 Difference]: Without dead ends: 1426 [2020-07-21 22:55:08,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:55:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2020-07-21 22:55:08,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2020-07-21 22:55:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2020-07-21 22:55:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1745 transitions. [2020-07-21 22:55:08,213 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1745 transitions. Word has length 159 [2020-07-21 22:55:08,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:08,214 INFO L479 AbstractCegarLoop]: Abstraction has 1426 states and 1745 transitions. [2020-07-21 22:55:08,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 22:55:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1745 transitions. [2020-07-21 22:55:08,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 22:55:08,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:08,231 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:08,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:08,447 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:08,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:08,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1362490625, now seen corresponding path program 1 times [2020-07-21 22:55:08,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:08,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520374300] [2020-07-21 22:55:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:08,527 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:08,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:08,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:55:08,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:08,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:08,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520374300] [2020-07-21 22:55:08,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:08,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:08,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710874709] [2020-07-21 22:55:08,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:08,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:08,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:08,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:08,635 INFO L87 Difference]: Start difference. First operand 1426 states and 1745 transitions. Second operand 7 states. [2020-07-21 22:55:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:09,457 INFO L93 Difference]: Finished difference Result 3441 states and 4492 transitions. [2020-07-21 22:55:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:55:09,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-07-21 22:55:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:09,469 INFO L225 Difference]: With dead ends: 3441 [2020-07-21 22:55:09,470 INFO L226 Difference]: Without dead ends: 1921 [2020-07-21 22:55:09,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-07-21 22:55:09,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1879. [2020-07-21 22:55:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2020-07-21 22:55:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2253 transitions. [2020-07-21 22:55:09,527 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2253 transitions. Word has length 165 [2020-07-21 22:55:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:09,528 INFO L479 AbstractCegarLoop]: Abstraction has 1879 states and 2253 transitions. [2020-07-21 22:55:09,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2253 transitions. [2020-07-21 22:55:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-21 22:55:09,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:09,534 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:55:09,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:09,749 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:09,749 INFO L82 PathProgramCache]: Analyzing trace with hash 596553770, now seen corresponding path program 1 times [2020-07-21 22:55:09,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:09,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232370960] [2020-07-21 22:55:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:09,840 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:55:09,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:09,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:09,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:09,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:55:09,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232370960] [2020-07-21 22:55:09,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:09,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:09,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114350808] [2020-07-21 22:55:09,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:09,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:09,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:09,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:09,966 INFO L87 Difference]: Start difference. First operand 1879 states and 2253 transitions. Second operand 7 states. [2020-07-21 22:55:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:11,074 INFO L93 Difference]: Finished difference Result 4145 states and 5022 transitions. [2020-07-21 22:55:11,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:55:11,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-07-21 22:55:11,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:11,086 INFO L225 Difference]: With dead ends: 4145 [2020-07-21 22:55:11,087 INFO L226 Difference]: Without dead ends: 2326 [2020-07-21 22:55:11,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:55:11,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2020-07-21 22:55:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2312. [2020-07-21 22:55:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2312 states. [2020-07-21 22:55:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2567 transitions. [2020-07-21 22:55:11,144 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2567 transitions. Word has length 176 [2020-07-21 22:55:11,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:11,144 INFO L479 AbstractCegarLoop]: Abstraction has 2312 states and 2567 transitions. [2020-07-21 22:55:11,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2567 transitions. [2020-07-21 22:55:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-07-21 22:55:11,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:11,152 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:55:11,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:11,367 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:11,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1969612425, now seen corresponding path program 1 times [2020-07-21 22:55:11,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:11,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678282222] [2020-07-21 22:55:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:11,484 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:55:11,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:11,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:55:11,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:55:11,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:55:11,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678282222] [2020-07-21 22:55:11,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:11,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:11,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94895957] [2020-07-21 22:55:11,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:11,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:11,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:11,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:11,720 INFO L87 Difference]: Start difference. First operand 2312 states and 2567 transitions. Second operand 7 states. [2020-07-21 22:55:12,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:12,646 INFO L93 Difference]: Finished difference Result 5182 states and 5759 transitions. [2020-07-21 22:55:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:55:12,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-07-21 22:55:12,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:12,661 INFO L225 Difference]: With dead ends: 5182 [2020-07-21 22:55:12,661 INFO L226 Difference]: Without dead ends: 2930 [2020-07-21 22:55:12,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2020-07-21 22:55:12,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2921. [2020-07-21 22:55:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2921 states. [2020-07-21 22:55:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 3161 transitions. [2020-07-21 22:55:12,728 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 3161 transitions. Word has length 233 [2020-07-21 22:55:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:12,728 INFO L479 AbstractCegarLoop]: Abstraction has 2921 states and 3161 transitions. [2020-07-21 22:55:12,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 3161 transitions. [2020-07-21 22:55:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-07-21 22:55:12,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:12,739 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:55:12,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:12,952 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:12,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1712321822, now seen corresponding path program 1 times [2020-07-21 22:55:12,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:12,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095256353] [2020-07-21 22:55:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:13,051 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:55:13,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:13,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:55:13,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-07-21 22:55:13,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:55:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 156 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-21 22:55:13,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095256353] [2020-07-21 22:55:13,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:55:13,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:55:13,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952751458] [2020-07-21 22:55:13,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:55:13,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:13,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:55:13,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:55:13,220 INFO L87 Difference]: Start difference. First operand 2921 states and 3161 transitions. Second operand 7 states. [2020-07-21 22:55:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:14,094 INFO L93 Difference]: Finished difference Result 3659 states and 3982 transitions. [2020-07-21 22:55:14,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:55:14,095 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-07-21 22:55:14,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:14,100 INFO L225 Difference]: With dead ends: 3659 [2020-07-21 22:55:14,101 INFO L226 Difference]: Without dead ends: 1388 [2020-07-21 22:55:14,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:55:14,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-07-21 22:55:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2020-07-21 22:55:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1388 states. [2020-07-21 22:55:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1468 transitions. [2020-07-21 22:55:14,139 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1468 transitions. Word has length 249 [2020-07-21 22:55:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:14,139 INFO L479 AbstractCegarLoop]: Abstraction has 1388 states and 1468 transitions. [2020-07-21 22:55:14,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:55:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1468 transitions. [2020-07-21 22:55:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-07-21 22:55:14,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:55:14,145 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-07-21 22:55:14,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:14,358 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:55:14,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:55:14,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1800552445, now seen corresponding path program 1 times [2020-07-21 22:55:14,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:55:14,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611648589] [2020-07-21 22:55:14,359 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:14,501 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:55:14,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:55:14,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:55:14,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:55:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-21 22:55:14,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:55:14,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611648589] [2020-07-21 22:55:14,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:55:14,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:55:14,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246242189] [2020-07-21 22:55:14,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:55:14,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:55:14,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:55:14,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:14,567 INFO L87 Difference]: Start difference. First operand 1388 states and 1468 transitions. Second operand 3 states. [2020-07-21 22:55:14,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:55:14,971 INFO L93 Difference]: Finished difference Result 2859 states and 3046 transitions. [2020-07-21 22:55:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:55:14,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-07-21 22:55:14,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:55:14,972 INFO L225 Difference]: With dead ends: 2859 [2020-07-21 22:55:14,972 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:55:14,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:55:14,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:55:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:55:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:55:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:55:14,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2020-07-21 22:55:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:55:14,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:55:14,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:55:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:55:14,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:55:15,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:55:15,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:55:16,492 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2020-07-21 22:55:16,953 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-07-21 22:55:17,408 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 71 [2020-07-21 22:55:17,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:55:17,411 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 22:55:17,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:55:17,412 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,412 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,412 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,412 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:55:17,413 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:55:17,414 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:55:17,415 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,416 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:55:17,417 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:55:17,418 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:55:17,419 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:55:17,420 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,421 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:55:17,422 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:55:17,423 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:55:17,424 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:55:17,425 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:55:17,426 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:55:17,427 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,428 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (< ~a17~0 9)) (.cse15 (= 1 ~a25~0)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (<= ~a28~0 |old(~a28~0)|)) (.cse23 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse1 (<= |old(~a28~0)| ~a28~0)) (.cse2 (= ~a25~0 |old(~a25~0)|))) (let ((.cse5 (not (= 8 |old(~a17~0)|))) (.cse8 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse7 (= 8 ~a17~0)) (.cse20 (not (<= |old(~a28~0)| 9))) (.cse12 (= 1 ~a11~0)) (.cse6 (<= ~a11~0 |old(~a11~0)|)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse21 (and .cse0 .cse11 .cse23 .cse13 .cse1 .cse2)) (.cse19 (not (= 1 |old(~a11~0)|))) (.cse22 (and .cse23 .cse11 .cse13 .cse14 .cse1 .cse15)) (.cse16 (not (= 1 |old(~a25~0)|))) (.cse17 (not (< |old(~a17~0)| 9))) (.cse9 (not (= 1 ~a21~0))) (.cse10 (not (<= |old(~a11~0)| 0))) (.cse18 (not (< |old(~a28~0)| 11)))) (and (or (and .cse0 .cse1 .cse2) (not (<= 9 |old(~a28~0)|)) .cse3) (or .cse4 (not (= 10 |old(~a28~0)|)) .cse5 (and (= 1 ~a19~0) .cse6 (= 10 ~a28~0) .cse7) .cse8 .cse9 .cse10) (or .cse4 (and .cse11 .cse12 .cse13 .cse14 .cse1 .cse15) .cse16 .cse17 .cse18 .cse19) (or .cse4 .cse5 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) .cse8 .cse9 .cse7 .cse10) (or .cse20 .cse17 .cse21 .cse9 .cse10) (or .cse4 .cse20 .cse17 (and .cse12 (<= ~a28~0 9) .cse13 .cse14 .cse1 .cse2) (not (< 8 |old(~a28~0)|)) .cse19) (or .cse4 (and .cse0 .cse13 .cse1 .cse2) .cse3) (or .cse6 .cse3 .cse9 .cse10) (or .cse4 .cse22 .cse16 .cse17 .cse9 .cse10) (or (not (<= |old(~a28~0)| 7)) .cse17 .cse21 .cse19) (or .cse22 .cse16 .cse17 .cse9 .cse10 .cse18)))) [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:55:17,429 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:55:17,430 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:55:17,431 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:55:17,432 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:55:17,433 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:55:17,434 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:55:17,435 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:55:17,436 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:55:17,436 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:55:17,436 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 22:55:17,436 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:55:17,436 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:55:17,436 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 |old(~a11~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 22:55:17,436 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= 1 ~a25~0))) (let ((.cse0 (<= ~a17~0 7)) (.cse2 (= 1 ~a19~0)) (.cse8 (or (< 9 ~a28~0) (not .cse5))) (.cse9 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= 1 ~a11~0)) (.cse7 (<= ~a28~0 9)) (.cse1 (<= 9 ~a28~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse10 (< ~a28~0 11)) (.cse4 (< ~a17~0 9))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse4 .cse5) (and .cse2 .cse8 .cse9 .cse6 .cse10 .cse4 .cse1 .cse5) (and .cse2 .cse0) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse7 .cse4) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse2 (<= ~a11~0 0) (= 10 ~a28~0) (= 8 ~a17~0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse4 (<= ~a28~0 7)) (and .cse2 .cse8 .cse9 .cse6 .cse7 .cse4 .cse1) (and .cse3 .cse10 .cse4 .cse5)))) [2020-07-21 22:55:17,437 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:55:17,437 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:55:17,437 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= 1 ~a25~0))) (let ((.cse0 (<= ~a17~0 7)) (.cse2 (= 1 ~a19~0)) (.cse8 (or (< 9 ~a28~0) (not .cse5))) (.cse9 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (= 1 ~a11~0)) (.cse7 (<= ~a28~0 9)) (.cse1 (<= 9 ~a28~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse10 (< ~a28~0 11)) (.cse4 (< ~a17~0 9))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse6 .cse7 .cse4 .cse5) (and .cse2 .cse8 .cse9 .cse6 .cse10 .cse4 .cse1 .cse5) (and .cse2 .cse0) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse7 .cse4) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse2 (<= ~a11~0 0) (= 10 ~a28~0) (= 8 ~a17~0) (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (and .cse6 .cse4 (<= ~a28~0 7)) (and .cse2 .cse8 .cse9 .cse6 .cse7 .cse4 .cse1) (and .cse3 .cse10 .cse4 .cse5)))) [2020-07-21 22:55:17,437 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:55:17,437 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:55:17,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:55:17 BoogieIcfgContainer [2020-07-21 22:55:17,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:55:17,467 INFO L168 Benchmark]: Toolchain (without parser) took 23517.29 ms. Allocated memory was 138.9 MB in the beginning and 500.7 MB in the end (delta: 361.8 MB). Free memory was 101.3 MB in the beginning and 313.3 MB in the end (delta: -212.0 MB). Peak memory consumption was 381.4 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,468 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.80 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 172.5 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,469 INFO L168 Benchmark]: Boogie Preprocessor took 97.44 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,470 INFO L168 Benchmark]: RCFGBuilder took 1153.23 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 183.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,473 INFO L168 Benchmark]: TraceAbstraction took 21576.73 ms. Allocated memory was 239.1 MB in the beginning and 500.7 MB in the end (delta: 261.6 MB). Free memory was 182.0 MB in the beginning and 313.3 MB in the end (delta: -131.3 MB). Peak memory consumption was 361.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:55:17,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.80 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 172.5 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.44 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.23 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 183.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21576.73 ms. Allocated memory was 239.1 MB in the beginning and 500.7 MB in the end (delta: 261.6 MB). Free memory was 182.0 MB in the beginning and 313.3 MB in the end (delta: -131.3 MB). Peak memory consumption was 361.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a19)) || (a17 <= 7 && 9 <= a28)) || (((1 == a19 && a11 == \old(a11)) && a17 < 9) && 1 == a25)) || ((((1 == a19 && 1 == a11) && a28 <= 9) && a17 < 9) && 1 == a25)) || (((((((1 == a19 && (9 < a28 || !(1 == a25))) && a17 <= \old(a17)) && 1 == a11) && a28 < 11) && a17 < 9) && 9 <= a28) && 1 == a25)) || (1 == a19 && a17 <= 7)) || !(7 == \old(a28))) || ((a11 == \old(a11) && a28 <= 9) && a17 < 9)) || !(1 == a21)) || !(\old(a11) <= 0)) || (((1 == a19 && a11 <= 0) && 10 == a28) && 8 == a17)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((1 == a11 && a17 < 9) && a28 <= 7)) || ((((((1 == a19 && (9 < a28 || !(1 == a25))) && a17 <= \old(a17)) && 1 == a11) && a28 <= 9) && a17 < 9) && 9 <= a28)) || (((a11 == \old(a11) && a28 < 11) && a17 < 9) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 857 SDtfs, 5281 SDslu, 835 SDs, 0 SdLazy, 9860 SolverSat, 1253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3058 GetRequests, 2946 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2921occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 107 PreInvPairs, 159 NumberOfFragments, 831 HoareAnnotationTreeSize, 107 FomulaSimplifications, 1811 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3614 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1766 NumberOfCodeBlocks, 1118 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2989 ConstructedInterpolants, 0 QuantifiedInterpolants, 1817636 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3567 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1446/1490 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...