/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:25:04,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:25:04,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:25:04,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:25:04,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:25:04,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:25:04,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:25:04,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:25:04,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:25:04,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:25:04,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:25:04,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:25:04,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:25:04,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:25:04,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:25:04,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:25:04,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:25:04,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:25:04,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:25:04,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:25:04,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:25:04,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:25:04,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:25:04,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:25:04,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 21:25:04,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:25:04,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:25:04,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:25:04,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:25:05,003 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:25:05,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:25:05,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:25:05,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:25:05,005 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:25:05,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:25:05,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:25:05,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:25:05,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:25:05,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:25:05,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:25:05,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:25:05,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:25:05,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:25:05,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:25:05,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:25:05,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:25:05,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:25:05,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:25:05,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:25:05,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:25:05,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:25:05,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:25:05,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:25:05,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:25:05,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:25:05,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:25:05,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:25:05,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:25:05,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:25:05,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:25:05,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:25:05,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:25:05,365 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:25:05,365 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:25:05,366 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 21:25:05,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be14f021d/afd2b9ac3e004e9d958f95f97f10b9c2/FLAG1579ca75f [2020-08-21 21:25:06,087 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:25:06,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 21:25:06,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be14f021d/afd2b9ac3e004e9d958f95f97f10b9c2/FLAG1579ca75f [2020-08-21 21:25:06,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be14f021d/afd2b9ac3e004e9d958f95f97f10b9c2 [2020-08-21 21:25:06,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:25:06,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:25:06,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:25:06,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:25:06,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:25:06,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:25:06" (1/1) ... [2020-08-21 21:25:06,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120586d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:06, skipping insertion in model container [2020-08-21 21:25:06,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:25:06" (1/1) ... [2020-08-21 21:25:06,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:25:06,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:25:06,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:25:06,776 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:25:07,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:25:07,044 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:25:07,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07 WrapperNode [2020-08-21 21:25:07,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:25:07,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:25:07,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:25:07,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:25:07,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... [2020-08-21 21:25:07,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:25:07,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:25:07,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:25:07,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:25:07,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:25:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:25:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:25:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 21:25:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:25:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:25:08,341 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:25:08,341 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 21:25:08,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:25:08 BoogieIcfgContainer [2020-08-21 21:25:08,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:25:08,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:25:08,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:25:08,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:25:08,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:25:06" (1/3) ... [2020-08-21 21:25:08,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775b80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:25:08, skipping insertion in model container [2020-08-21 21:25:08,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:25:07" (2/3) ... [2020-08-21 21:25:08,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775b80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:25:08, skipping insertion in model container [2020-08-21 21:25:08,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:25:08" (3/3) ... [2020-08-21 21:25:08,365 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-08-21 21:25:08,377 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:25:08,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:25:08,409 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:25:08,442 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:25:08,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:25:08,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:25:08,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:25:08,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:25:08,443 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:25:08,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:25:08,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:25:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 21:25:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 21:25:08,475 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:25:08,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:25:08,477 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:25:08,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:25:08,482 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-08-21 21:25:08,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:25:08,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865779972] [2020-08-21 21:25:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:25:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:25:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:25:09,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865779972] [2020-08-21 21:25:09,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:25:09,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:25:09,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56086542] [2020-08-21 21:25:09,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:25:09,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:25:09,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:25:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:25:09,151 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 21:25:10,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:25:10,715 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-08-21 21:25:10,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:25:10,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-08-21 21:25:10,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:25:10,735 INFO L225 Difference]: With dead ends: 627 [2020-08-21 21:25:10,735 INFO L226 Difference]: Without dead ends: 327 [2020-08-21 21:25:10,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:25:10,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-21 21:25:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-08-21 21:25:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-21 21:25:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-08-21 21:25:10,828 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 123 [2020-08-21 21:25:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:25:10,829 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-08-21 21:25:10,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:25:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-08-21 21:25:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-21 21:25:10,834 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:25:10,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:25:10,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:25:10,836 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:25:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:25:10,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-08-21 21:25:10,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:25:10,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531252084] [2020-08-21 21:25:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:25:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:25:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:10,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:25:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:25:11,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531252084] [2020-08-21 21:25:11,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:25:11,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:25:11,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923056426] [2020-08-21 21:25:11,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:25:11,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:25:11,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:25:11,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:25:11,055 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-08-21 21:25:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:25:12,033 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-08-21 21:25:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 21:25:12,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-21 21:25:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:25:12,044 INFO L225 Difference]: With dead ends: 635 [2020-08-21 21:25:12,044 INFO L226 Difference]: Without dead ends: 322 [2020-08-21 21:25:12,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:25:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-08-21 21:25:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-08-21 21:25:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-08-21 21:25:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-08-21 21:25:12,094 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 138 [2020-08-21 21:25:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:25:12,094 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-08-21 21:25:12,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:25:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-08-21 21:25:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-21 21:25:12,098 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:25:12,098 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:25:12,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:25:12,099 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:25:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:25:12,099 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-08-21 21:25:12,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:25:12,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795879352] [2020-08-21 21:25:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:25:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:12,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:25:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:25:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:25:12,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795879352] [2020-08-21 21:25:12,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:25:12,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:25:12,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23116874] [2020-08-21 21:25:12,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:25:12,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:25:12,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:25:12,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:25:12,316 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-08-21 21:25:14,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:25:14,358 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-08-21 21:25:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 21:25:14,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-08-21 21:25:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:25:14,367 INFO L225 Difference]: With dead ends: 1090 [2020-08-21 21:25:14,367 INFO L226 Difference]: Without dead ends: 786 [2020-08-21 21:25:14,369 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 [2020-08-21 21:25:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-08-21 21:25:14,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-08-21 21:25:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-21 21:25:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-08-21 21:25:14,415 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 145 [2020-08-21 21:25:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:25:14,416 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-08-21 21:25:14,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:25:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-08-21 21:25:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 21:25:14,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:25:14,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:25:14,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:25:14,421 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:25:14,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:25:14,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558216, now seen corresponding path program 1 times [2020-08-21 21:25:14,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:25:14,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249512707] [2020-08-21 21:25:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:25:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:25:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:25:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:14,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 21:25:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 21:25:14,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249512707] [2020-08-21 21:25:14,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:25:14,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 21:25:14,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472541238] [2020-08-21 21:25:14,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:25:14,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:25:14,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:25:14,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:25:14,665 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 5 states. [2020-08-21 21:25:15,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:25:15,812 INFO L93 Difference]: Finished difference Result 1528 states and 2042 transitions. [2020-08-21 21:25:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:25:15,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-08-21 21:25:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:25:15,822 INFO L225 Difference]: With dead ends: 1528 [2020-08-21 21:25:15,822 INFO L226 Difference]: Without dead ends: 920 [2020-08-21 21:25:15,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:25:15,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-08-21 21:25:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 908. [2020-08-21 21:25:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-08-21 21:25:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1142 transitions. [2020-08-21 21:25:15,863 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1142 transitions. Word has length 158 [2020-08-21 21:25:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:25:15,864 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1142 transitions. [2020-08-21 21:25:15,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:25:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1142 transitions. [2020-08-21 21:25:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-21 21:25:15,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:25:15,868 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, 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] [2020-08-21 21:25:15,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:25:15,869 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:25:15,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:25:15,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1113015880, now seen corresponding path program 1 times [2020-08-21 21:25:15,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:25:15,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030974583] [2020-08-21 21:25:15,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:25:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:15,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:25:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:15,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 21:25:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:15,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 21:25:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:25:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:25:16,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030974583] [2020-08-21 21:25:16,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:25:16,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:25:16,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995303620] [2020-08-21 21:25:16,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:25:16,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:25:16,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:25:16,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:25:16,047 INFO L87 Difference]: Start difference. First operand 908 states and 1142 transitions. Second operand 7 states. [2020-08-21 21:25:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:25:18,564 INFO L93 Difference]: Finished difference Result 2788 states and 3662 transitions. [2020-08-21 21:25:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:25:18,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-21 21:25:18,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:25:18,566 INFO L225 Difference]: With dead ends: 2788 [2020-08-21 21:25:18,566 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:25:18,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:25:18,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:25:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:25:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:25:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:25:18,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-08-21 21:25:18,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:25:18,576 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:25:18,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:25:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:25:18,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:25:18,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:25:18,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:25:19,433 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2020-08-21 21:25:19,627 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 21:25:19,786 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 21:25:19,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:25:19,792 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)|)) [2020-08-21 21:25:19,792 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:25:19,792 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,792 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,792 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,793 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,796 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,796 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 21:25:19,797 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,798 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,799 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,804 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,804 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 21:25:19,804 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,804 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 21:25:19,805 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 21:25:19,806 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 21:25:19,808 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 21:25:19,808 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 21:25:19,808 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,809 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,810 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,810 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-08-21 21:25:19,810 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 21:25:19,810 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 21:25:19,810 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 21:25:19,814 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 21:25:19,814 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 21:25:19,814 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 21:25:19,814 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 21:25:19,814 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,815 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 21:25:19,816 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 21:25:19,817 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 21:25:19,818 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 21:25:19,819 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 21:25:19,820 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 21:25:19,821 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 21:25:19,822 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 21:25:19,823 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,824 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 21:25:19,825 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 21:25:19,826 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,827 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 21:25:19,828 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,829 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,830 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,830 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (not (<= 8 |old(~a17~0)|))) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not (= |old(~a25~0)| 1))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 1)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= 11 |old(~a28~0)|))) (and (or (not (<= |old(~a28~0)| 7)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse0 .cse7 (and .cse1 .cse3 .cse8 .cse9 .cse10 .cse5)) (or .cse0 .cse7 .cse11 (and .cse1 .cse3 .cse4 .cse8 .cse10 .cse5)) (or .cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or .cse6 .cse0 (and .cse1 .cse2 .cse3 .cse9 .cse5) .cse11))) [2020-08-21 21:25:19,830 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,830 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,830 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 21:25:19,831 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,832 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 21:25:19,833 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 21:25:19,834 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,835 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 21:25:19,836 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 21:25:19,837 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 21:25:19,838 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 21:25:19,838 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 21:25:19,838 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 21:25:19,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:25:19,838 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-08-21 21:25:19,838 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:25:19,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:25:19,839 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-21 21:25:19,839 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 21:25:19,839 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 21:25:19,839 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 21:25:19,839 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 21:25:19,839 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 21:25:19,840 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 21:25:19,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:25:19 BoogieIcfgContainer [2020-08-21 21:25:19,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:25:19,863 INFO L168 Benchmark]: Toolchain (without parser) took 13550.03 ms. Allocated memory was 140.5 MB in the beginning and 407.9 MB in the end (delta: 267.4 MB). Free memory was 100.9 MB in the beginning and 215.4 MB in the end (delta: -114.5 MB). Peak memory consumption was 233.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,864 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.62 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 172.7 MB in the end (delta: -72.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,866 INFO L168 Benchmark]: Boogie Preprocessor took 102.60 ms. Allocated memory is still 205.5 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,867 INFO L168 Benchmark]: RCFGBuilder took 1204.80 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 180.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,868 INFO L168 Benchmark]: TraceAbstraction took 11505.30 ms. Allocated memory was 238.0 MB in the beginning and 407.9 MB in the end (delta: 169.9 MB). Free memory was 180.1 MB in the beginning and 215.4 MB in the end (delta: -35.3 MB). Peak memory consumption was 214.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:25:19,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.62 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 172.7 MB in the end (delta: -72.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.60 ms. Allocated memory is still 205.5 MB. Free memory was 172.7 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.80 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 180.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11505.30 ms. Allocated memory was 238.0 MB in the beginning and 407.9 MB in the end (delta: 169.9 MB). Free memory was 180.1 MB in the beginning and 215.4 MB in the end (delta: -35.3 MB). Peak memory consumption was 214.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: ((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(8 <= \old(a17))) || ((8 <= a17 && a17 <= 8) && !(a28 == 11))) || (a28 <= 7 && a17 <= 8)) || ((8 <= a17 && a25 == 1) && a17 <= 8)) || ((a25 == 1 && a17 <= 8) && !(a28 == 11))) || (a17 <= 8 && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 182 SDtfs, 2696 SDslu, 227 SDs, 0 SdLazy, 4386 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 204 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 87 NumberOfFragments, 355 HoareAnnotationTreeSize, 43 FomulaSimplifications, 26212 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1814 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 261690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 119/123 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...