/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:56:51,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:56:51,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:56:51,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:56:51,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:56:51,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:56:51,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:56:51,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:56:51,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:56:51,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:56:51,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:56:51,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:56:51,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:56:51,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:56:51,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:56:51,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:56:51,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:56:51,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:56:51,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:56:51,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:56:51,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:56:51,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:56:51,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:56:51,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:56:51,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:56:51,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:56:51,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:56:51,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:56:51,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:56:51,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:56:51,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:56:51,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:56:51,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:56:51,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:56:51,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:56:51,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:56:51,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:56:51,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:56:51,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:56:51,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:56:51,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:56:51,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 17:56:51,892 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:56:51,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:56:51,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:56:51,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:56:51,895 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:56:51,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:56:51,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:56:51,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:56:51,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:56:51,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:56:51,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:56:51,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:56:51,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:56:51,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:56:51,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:56:51,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:56:51,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:56:51,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:56:51,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:56:51,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:56:51,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:56:51,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:56:51,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:56:51,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:56:51,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:56:51,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:56:51,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:56:51,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:56:51,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:56:51,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:56:52,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:56:52,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:56:52,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:56:52,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:56:52,214 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:56:52,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-18 17:56:52,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77f718408/27a3386e935c4b59ac45627ddffd5929/FLAGb8de3549d [2020-08-18 17:56:52,859 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:56:52,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label55.c [2020-08-18 17:56:52,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77f718408/27a3386e935c4b59ac45627ddffd5929/FLAGb8de3549d [2020-08-18 17:56:53,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77f718408/27a3386e935c4b59ac45627ddffd5929 [2020-08-18 17:56:53,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:56:53,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:56:53,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:56:53,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:56:53,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:56:53,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5783693b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53, skipping insertion in model container [2020-08-18 17:56:53,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:56:53,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:56:53,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:56:53,653 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:56:53,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:56:53,898 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:56:53,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53 WrapperNode [2020-08-18 17:56:53,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:56:53,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:56:53,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:56:53,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:56:53,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:53,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:54,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:54,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... [2020-08-18 17:56:54,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:56:54,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:56:54,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:56:54,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:56:54,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:56:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:56:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:56:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 17:56:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:56:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 17:56:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:56:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:56:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 17:56:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:56:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:56:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:56:55,376 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:56:55,377 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 17:56:55,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:56:55 BoogieIcfgContainer [2020-08-18 17:56:55,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:56:55,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:56:55,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:56:55,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:56:55,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:56:53" (1/3) ... [2020-08-18 17:56:55,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:56:55, skipping insertion in model container [2020-08-18 17:56:55,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:56:53" (2/3) ... [2020-08-18 17:56:55,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc0fd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:56:55, skipping insertion in model container [2020-08-18 17:56:55,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:56:55" (3/3) ... [2020-08-18 17:56:55,401 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-08-18 17:56:55,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:56:55,426 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:56:55,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:56:55,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:56:55,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:56:55,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:56:55,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:56:55,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:56:55,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:56:55,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:56:55,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:56:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-18 17:56:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-08-18 17:56:55,505 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:56:55,507 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] [2020-08-18 17:56:55,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:56:55,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:56:55,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2020-08-18 17:56:55,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:56:55,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144015937] [2020-08-18 17:56:55,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:56:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:56:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:56:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:56:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:56:56,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144015937] [2020-08-18 17:56:56,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:56:56,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:56:56,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639545430] [2020-08-18 17:56:56,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:56:56,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:56:56,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:56:56,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:56:56,191 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-18 17:56:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:56:58,722 INFO L93 Difference]: Finished difference Result 785 states and 1380 transitions. [2020-08-18 17:56:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:56:58,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-08-18 17:56:58,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:56:58,762 INFO L225 Difference]: With dead ends: 785 [2020-08-18 17:56:58,762 INFO L226 Difference]: Without dead ends: 481 [2020-08-18 17:56:58,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:56:58,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-08-18 17:56:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2020-08-18 17:56:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-08-18 17:56:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 643 transitions. [2020-08-18 17:56:58,866 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 643 transitions. Word has length 111 [2020-08-18 17:56:58,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:56:58,870 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 643 transitions. [2020-08-18 17:56:58,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:56:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2020-08-18 17:56:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-18 17:56:58,879 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:56:58,880 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] [2020-08-18 17:56:58,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:56:58,880 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:56:58,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:56:58,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1096762264, now seen corresponding path program 1 times [2020-08-18 17:56:58,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:56:58,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643275209] [2020-08-18 17:56:58,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:56:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:56:59,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:56:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:56:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:56:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:56:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:56:59,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643275209] [2020-08-18 17:56:59,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:56:59,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 17:56:59,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370016237] [2020-08-18 17:56:59,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:56:59,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:56:59,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:56:59,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:56:59,117 INFO L87 Difference]: Start difference. First operand 472 states and 643 transitions. Second operand 5 states. [2020-08-18 17:57:00,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:00,321 INFO L93 Difference]: Finished difference Result 1381 states and 1928 transitions. [2020-08-18 17:57:00,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:57:00,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-08-18 17:57:00,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:00,330 INFO L225 Difference]: With dead ends: 1381 [2020-08-18 17:57:00,330 INFO L226 Difference]: Without dead ends: 915 [2020-08-18 17:57:00,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:57:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-18 17:57:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 911. [2020-08-18 17:57:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-08-18 17:57:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1212 transitions. [2020-08-18 17:57:00,395 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1212 transitions. Word has length 120 [2020-08-18 17:57:00,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:00,396 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1212 transitions. [2020-08-18 17:57:00,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:57:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1212 transitions. [2020-08-18 17:57:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 17:57:00,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:00,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:00,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:57:00,409 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:00,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:00,410 INFO L82 PathProgramCache]: Analyzing trace with hash -948381632, now seen corresponding path program 1 times [2020-08-18 17:57:00,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:00,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73610048] [2020-08-18 17:57:00,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 17:57:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 17:57:00,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73610048] [2020-08-18 17:57:00,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:00,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 17:57:00,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882530564] [2020-08-18 17:57:00,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:00,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:00,631 INFO L87 Difference]: Start difference. First operand 911 states and 1212 transitions. Second operand 8 states. [2020-08-18 17:57:02,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:02,271 INFO L93 Difference]: Finished difference Result 2135 states and 2928 transitions. [2020-08-18 17:57:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:57:02,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-08-18 17:57:02,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:02,284 INFO L225 Difference]: With dead ends: 2135 [2020-08-18 17:57:02,284 INFO L226 Difference]: Without dead ends: 1230 [2020-08-18 17:57:02,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:57:02,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-08-18 17:57:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1218. [2020-08-18 17:57:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-08-18 17:57:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1625 transitions. [2020-08-18 17:57:02,349 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1625 transitions. Word has length 142 [2020-08-18 17:57:02,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:02,350 INFO L479 AbstractCegarLoop]: Abstraction has 1218 states and 1625 transitions. [2020-08-18 17:57:02,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1625 transitions. [2020-08-18 17:57:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-08-18 17:57:02,358 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:02,359 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:57:02,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:57:02,360 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:02,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1680362696, now seen corresponding path program 1 times [2020-08-18 17:57:02,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:02,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087734504] [2020-08-18 17:57:02,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:02,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-18 17:57:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-18 17:57:02,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087734504] [2020-08-18 17:57:02,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 17:57:02,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 17:57:02,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273831522] [2020-08-18 17:57:02,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:57:02,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:02,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:57:02,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:57:02,690 INFO L87 Difference]: Start difference. First operand 1218 states and 1625 transitions. Second operand 7 states. [2020-08-18 17:57:05,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:05,365 INFO L93 Difference]: Finished difference Result 4050 states and 5470 transitions. [2020-08-18 17:57:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:57:05,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-08-18 17:57:05,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:05,379 INFO L225 Difference]: With dead ends: 4050 [2020-08-18 17:57:05,379 INFO L226 Difference]: Without dead ends: 1952 [2020-08-18 17:57:05,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-18 17:57:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-08-18 17:57:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1656. [2020-08-18 17:57:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-08-18 17:57:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2077 transitions. [2020-08-18 17:57:05,455 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2077 transitions. Word has length 146 [2020-08-18 17:57:05,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:05,456 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 2077 transitions. [2020-08-18 17:57:05,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:57:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2077 transitions. [2020-08-18 17:57:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-18 17:57:05,463 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:57:05,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 17:57:05,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:57:05,463 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:57:05,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:57:05,464 INFO L82 PathProgramCache]: Analyzing trace with hash 63334714, now seen corresponding path program 1 times [2020-08-18 17:57:05,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:57:05,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470861603] [2020-08-18 17:57:05,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:57:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:57:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 17:57:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:57:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:57:05,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470861603] [2020-08-18 17:57:05,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:57:05,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:57:05,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196383098] [2020-08-18 17:57:05,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:57:05,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:57:05,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:57:05,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:57:05,688 INFO L87 Difference]: Start difference. First operand 1656 states and 2077 transitions. Second operand 8 states. [2020-08-18 17:57:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:57:07,672 INFO L93 Difference]: Finished difference Result 5260 states and 6877 transitions. [2020-08-18 17:57:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:57:07,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-08-18 17:57:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:57:07,674 INFO L225 Difference]: With dead ends: 5260 [2020-08-18 17:57:07,674 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:57:07,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:57:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:57:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:57:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:57:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:57:07,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-08-18 17:57:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:57:07,692 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:57:07,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:57:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:57:07,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:57:07,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:57:07,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:57:08,783 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2020-08-18 17:57:09,070 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-18 17:57:09,317 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-08-18 17:57:09,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:09,322 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-18 17:57:09,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,324 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-18 17:57:09,325 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-18 17:57:09,326 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-18 17:57:09,327 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,331 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-18 17:57:09,332 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 17:57:09,332 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 17:57:09,332 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 17:57:09,332 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-18 17:57:09,333 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-18 17:57:09,334 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-18 17:57:09,334 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-18 17:57:09,334 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-18 17:57:09,334 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-18 17:57:09,334 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,336 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,336 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,336 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,336 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 17:57:09,337 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,338 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 17:57:09,339 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 17:57:09,340 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 17:57:09,340 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-18 17:57:09,340 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-18 17:57:09,340 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-18 17:57:09,340 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-18 17:57:09,341 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,342 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-18 17:57:09,343 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 17:57:09,344 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,345 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-18 17:57:09,346 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,346 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-18 17:57:09,346 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 17:57:09,347 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-18 17:57:09,348 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-18 17:57:09,349 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 17:57:09,350 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 17:57:09,350 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-18 17:57:09,350 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 17:57:09,350 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 17:57:09,350 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-18 17:57:09,352 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,353 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,354 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,354 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,354 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,354 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-18 17:57:09,362 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-18 17:57:09,365 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-18 17:57:09,365 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 17:57:09,365 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 17:57:09,365 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-18 17:57:09,366 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-18 17:57:09,367 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,367 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,367 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,367 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a11~0)| 1)) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse4 (not (= |old(~a19~0)| 1))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse1 (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|))) (.cse2 (= 10 |old(~a28~0)|)) (.cse5 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse4 .cse1 .cse6) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 (not (<= |old(~a11~0)| 0)) .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2020-08-18 17:57:09,367 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,367 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 17:57:09,368 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,369 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-18 17:57:09,370 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-18 17:57:09,371 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,372 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 17:57:09,373 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-18 17:57:09,374 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:57:09,375 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-08-18 17:57:09,376 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:57:09,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:57:09,376 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|)) [2020-08-18 17:57:09,376 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse5 (not (= ~a28~0 10))) (.cse3 (not (= ~a11~0 1))) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4) (and .cse0 .cse5 .cse2) (and .cse5 .cse3 .cse2) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse3 .cse2) (and .cse0 (<= ~a11~0 0)) (and .cse4 .cse2))) [2020-08-18 17:57:09,376 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-18 17:57:09,377 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-18 17:57:09,377 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse5 (not (= ~a28~0 10))) (.cse3 (not (= ~a11~0 1))) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse4) (and .cse0 .cse5 .cse2) (and .cse5 .cse3 .cse2) (not (<= |old(~a11~0)| 0)) (= |old(~a17~0)| |old(~a28~0)|) (and .cse0 .cse3 .cse2) (and .cse0 (<= ~a11~0 0)) (and .cse4 .cse2))) [2020-08-18 17:57:09,377 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-18 17:57:09,377 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-18 17:57:09,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:57:09 BoogieIcfgContainer [2020-08-18 17:57:09,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:57:09,415 INFO L168 Benchmark]: Toolchain (without parser) took 16289.44 ms. Allocated memory was 140.0 MB in the beginning and 450.4 MB in the end (delta: 310.4 MB). Free memory was 102.0 MB in the beginning and 391.0 MB in the end (delta: -289.0 MB). Peak memory consumption was 278.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,417 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.79 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,425 INFO L168 Benchmark]: Boogie Preprocessor took 142.17 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,426 INFO L168 Benchmark]: RCFGBuilder took 1348.04 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 179.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,427 INFO L168 Benchmark]: TraceAbstraction took 14019.40 ms. Allocated memory was 238.0 MB in the beginning and 450.4 MB in the end (delta: 212.3 MB). Free memory was 179.9 MB in the beginning and 391.0 MB in the end (delta: -211.1 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:57:09,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.79 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 171.9 MB in the end (delta: -70.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.17 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1348.04 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 179.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14019.40 ms. Allocated memory was 238.0 MB in the beginning and 450.4 MB in the end (delta: 212.3 MB). Free memory was 179.9 MB in the beginning and 391.0 MB in the end (delta: -211.1 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: 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: ((((((((((((!(a28 == a17) && a19 == 1) && a28 <= 10) || !(\old(a28) <= 7)) || !(\old(a19) == 1)) || ((!(a28 == a17) && a19 == 1) && !(a11 == 1))) || (a19 == 1 && a17 <= 7)) || ((!(a28 == a17) && !(a28 == 10)) && a28 <= 10)) || ((!(a28 == 10) && !(a11 == 1)) && a28 <= 10)) || !(\old(a11) <= 0)) || \old(a17) == \old(a28)) || ((!(a28 == a17) && !(a11 == 1)) && a28 <= 10)) || (!(a28 == a17) && a11 <= 0)) || (a17 <= 7 && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197 SDtfs, 3406 SDslu, 271 SDs, 0 SdLazy, 5045 SolverSat, 1146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1656occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 321 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 155 NumberOfFragments, 504 HoareAnnotationTreeSize, 75 FomulaSimplifications, 16828 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2411 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 289355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 133/144 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...