/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=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:20:06,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:20:06,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:20:06,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:20:06,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:20:06,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:20:06,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:20:06,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:20:06,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:20:06,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:20:06,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:20:06,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:20:06,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:20:06,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:20:06,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:20:06,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:20:06,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:20:06,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:20:06,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:20:06,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:20:06,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:20:06,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:20:06,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:20:06,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:20:06,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:20:06,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:20:06,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:20:06,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:20:06,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:20:06,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:20:06,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:20:06,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:20:06,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:20:06,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:20:06,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:20:06,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:20:06,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:20:06,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:20:06,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:20:06,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:20:06,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:20:06,372 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 20:20:06,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:20:06,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:20:06,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:20:06,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:20:06,398 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:20:06,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:20:06,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:20:06,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:20:06,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:20:06,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:20:06,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:20:06,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:20:06,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:20:06,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:20:06,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:20:06,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:20:06,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:20:06,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:20:06,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:20:06,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:20:06,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:20:06,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:20:06,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:20:06,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:20:06,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:20:06,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:20:06,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:20:06,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:20:06,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:20:06,404 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=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:20:06,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:20:06,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:20:06,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:20:06,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:20:06,748 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:20:06,752 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-18 20:20:06,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39ea2765/0391f21bba8743db8a095a281f0c6557/FLAG0771b62ff [2020-08-18 20:20:07,379 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:20:07,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-18 20:20:07,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39ea2765/0391f21bba8743db8a095a281f0c6557/FLAG0771b62ff [2020-08-18 20:20:07,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e39ea2765/0391f21bba8743db8a095a281f0c6557 [2020-08-18 20:20:07,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:20:07,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:20:07,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:20:07,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:20:07,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:20:07,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:20:07" (1/1) ... [2020-08-18 20:20:07,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5d0024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:07, skipping insertion in model container [2020-08-18 20:20:07,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:20:07" (1/1) ... [2020-08-18 20:20:07,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:20:07,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:20:08,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:20:08,395 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:20:08,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:20:08,574 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:20:08,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08 WrapperNode [2020-08-18 20:20:08,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:20:08,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:20:08,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:20:08,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:20:08,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (1/1) ... [2020-08-18 20:20:08,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:20:08,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:20:08,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:20:08,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:20:08,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (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 20:20:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:20:08,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:20:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 20:20:08,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:20:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 20:20:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:20:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:20:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 20:20:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:20:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:20:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:20:10,057 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:20:10,058 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 20:20:10,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:20:10 BoogieIcfgContainer [2020-08-18 20:20:10,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:20:10,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:20:10,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:20:10,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:20:10,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:20:07" (1/3) ... [2020-08-18 20:20:10,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:20:10, skipping insertion in model container [2020-08-18 20:20:10,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:20:08" (2/3) ... [2020-08-18 20:20:10,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:20:10, skipping insertion in model container [2020-08-18 20:20:10,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:20:10" (3/3) ... [2020-08-18 20:20:10,083 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-08-18 20:20:10,095 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:20:10,107 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:20:10,123 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:20:10,160 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:20:10,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:20:10,162 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:20:10,162 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:20:10,162 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:20:10,162 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:20:10,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:20:10,163 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:20:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 20:20:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-18 20:20:10,218 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:10,219 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] [2020-08-18 20:20:10,219 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2020-08-18 20:20:10,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:10,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147012847] [2020-08-18 20:20:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:10,835 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 20:20:10,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147012847] [2020-08-18 20:20:10,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:20:10,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:20:10,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708025080] [2020-08-18 20:20:10,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:20:10,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:10,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:20:10,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:20:10,871 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-18 20:20:12,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:12,931 INFO L93 Difference]: Finished difference Result 723 states and 1255 transitions. [2020-08-18 20:20:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:20:12,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-08-18 20:20:12,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:12,952 INFO L225 Difference]: With dead ends: 723 [2020-08-18 20:20:12,952 INFO L226 Difference]: Without dead ends: 423 [2020-08-18 20:20:12,961 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 20:20:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-18 20:20:13,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-18 20:20:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-18 20:20:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 584 transitions. [2020-08-18 20:20:13,064 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 584 transitions. Word has length 122 [2020-08-18 20:20:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:13,066 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 584 transitions. [2020-08-18 20:20:13,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:20:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 584 transitions. [2020-08-18 20:20:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 20:20:13,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:13,084 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-08-18 20:20:13,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:20:13,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:13,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:13,086 INFO L82 PathProgramCache]: Analyzing trace with hash -259733235, now seen corresponding path program 1 times [2020-08-18 20:20:13,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:13,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347286492] [2020-08-18 20:20:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:20:13,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347286492] [2020-08-18 20:20:13,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:20:13,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:20:13,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277157477] [2020-08-18 20:20:13,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:20:13,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:13,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:20:13,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:20:13,352 INFO L87 Difference]: Start difference. First operand 417 states and 584 transitions. Second operand 8 states. [2020-08-18 20:20:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:14,770 INFO L93 Difference]: Finished difference Result 1269 states and 1843 transitions. [2020-08-18 20:20:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:20:14,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-18 20:20:14,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:14,779 INFO L225 Difference]: With dead ends: 1269 [2020-08-18 20:20:14,779 INFO L226 Difference]: Without dead ends: 858 [2020-08-18 20:20:14,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:14,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-08-18 20:20:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 834. [2020-08-18 20:20:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-08-18 20:20:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1168 transitions. [2020-08-18 20:20:14,840 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1168 transitions. Word has length 132 [2020-08-18 20:20:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:14,841 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1168 transitions. [2020-08-18 20:20:14,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:20:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1168 transitions. [2020-08-18 20:20:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-18 20:20:14,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:14,848 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-08-18 20:20:14,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:20:14,848 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:14,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:14,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2082377679, now seen corresponding path program 1 times [2020-08-18 20:20:14,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:14,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942762029] [2020-08-18 20:20:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:15,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:20:15,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942762029] [2020-08-18 20:20:15,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:15,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 20:20:15,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154337904] [2020-08-18 20:20:15,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 20:20:15,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:15,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 20:20:15,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:20:15,224 INFO L87 Difference]: Start difference. First operand 834 states and 1168 transitions. Second operand 6 states. [2020-08-18 20:20:16,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:16,491 INFO L93 Difference]: Finished difference Result 1769 states and 2519 transitions. [2020-08-18 20:20:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:20:16,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2020-08-18 20:20:16,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:16,502 INFO L225 Difference]: With dead ends: 1769 [2020-08-18 20:20:16,503 INFO L226 Difference]: Without dead ends: 840 [2020-08-18 20:20:16,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:20:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-08-18 20:20:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 832. [2020-08-18 20:20:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-08-18 20:20:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1059 transitions. [2020-08-18 20:20:16,553 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1059 transitions. Word has length 133 [2020-08-18 20:20:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:16,553 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1059 transitions. [2020-08-18 20:20:16,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 20:20:16,554 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1059 transitions. [2020-08-18 20:20:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-18 20:20:16,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:16,558 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] [2020-08-18 20:20:16,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:20:16,558 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash 394249543, now seen corresponding path program 1 times [2020-08-18 20:20:16,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:16,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003968083] [2020-08-18 20:20:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:16,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:20:16,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003968083] [2020-08-18 20:20:16,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:16,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 20:20:16,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372469231] [2020-08-18 20:20:16,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:20:16,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:16,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:20:16,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:20:16,814 INFO L87 Difference]: Start difference. First operand 832 states and 1059 transitions. Second operand 5 states. [2020-08-18 20:20:16,958 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-08-18 20:20:17,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:17,918 INFO L93 Difference]: Finished difference Result 2079 states and 2683 transitions. [2020-08-18 20:20:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:20:17,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-08-18 20:20:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:17,926 INFO L225 Difference]: With dead ends: 2079 [2020-08-18 20:20:17,926 INFO L226 Difference]: Without dead ends: 1253 [2020-08-18 20:20:17,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:20:17,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-08-18 20:20:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1243. [2020-08-18 20:20:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-08-18 20:20:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1550 transitions. [2020-08-18 20:20:17,977 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1550 transitions. Word has length 137 [2020-08-18 20:20:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:17,977 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1550 transitions. [2020-08-18 20:20:17,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:20:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1550 transitions. [2020-08-18 20:20:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-18 20:20:17,982 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:17,983 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:17,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:20:17,983 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:17,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:17,984 INFO L82 PathProgramCache]: Analyzing trace with hash 706222219, now seen corresponding path program 1 times [2020-08-18 20:20:17,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:17,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200848982] [2020-08-18 20:20:17,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:18,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-18 20:20:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:20:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-18 20:20:18,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200848982] [2020-08-18 20:20:18,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:18,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:20:18,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533719998] [2020-08-18 20:20:18,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:20:18,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:18,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:20:18,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:20:18,199 INFO L87 Difference]: Start difference. First operand 1243 states and 1550 transitions. Second operand 7 states. [2020-08-18 20:20:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:19,405 INFO L93 Difference]: Finished difference Result 3360 states and 4273 transitions. [2020-08-18 20:20:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:20:19,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-18 20:20:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:19,420 INFO L225 Difference]: With dead ends: 3360 [2020-08-18 20:20:19,420 INFO L226 Difference]: Without dead ends: 2123 [2020-08-18 20:20:19,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-08-18 20:20:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1962. [2020-08-18 20:20:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-08-18 20:20:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2370 transitions. [2020-08-18 20:20:19,507 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2370 transitions. Word has length 181 [2020-08-18 20:20:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:19,508 INFO L479 AbstractCegarLoop]: Abstraction has 1962 states and 2370 transitions. [2020-08-18 20:20:19,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:20:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2370 transitions. [2020-08-18 20:20:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-18 20:20:19,516 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:19,517 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:19,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:20:19,518 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:19,518 INFO L82 PathProgramCache]: Analyzing trace with hash 853819156, now seen corresponding path program 1 times [2020-08-18 20:20:19,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:19,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044417762] [2020-08-18 20:20:19,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:20:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:20:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 20:20:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 75 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-18 20:20:19,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044417762] [2020-08-18 20:20:19,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:19,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:20:19,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656224708] [2020-08-18 20:20:19,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:20:19,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:19,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:20:19,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:20:19,788 INFO L87 Difference]: Start difference. First operand 1962 states and 2370 transitions. Second operand 7 states. [2020-08-18 20:20:20,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:20,997 INFO L93 Difference]: Finished difference Result 5487 states and 6885 transitions. [2020-08-18 20:20:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:20:20,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-08-18 20:20:20,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:21,021 INFO L225 Difference]: With dead ends: 5487 [2020-08-18 20:20:21,021 INFO L226 Difference]: Without dead ends: 3531 [2020-08-18 20:20:21,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2020-08-18 20:20:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3360. [2020-08-18 20:20:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3360 states. [2020-08-18 20:20:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4099 transitions. [2020-08-18 20:20:21,147 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4099 transitions. Word has length 196 [2020-08-18 20:20:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:21,149 INFO L479 AbstractCegarLoop]: Abstraction has 3360 states and 4099 transitions. [2020-08-18 20:20:21,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:20:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4099 transitions. [2020-08-18 20:20:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-08-18 20:20:21,194 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:21,195 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:20:21,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:20:21,195 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:21,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1458466897, now seen corresponding path program 1 times [2020-08-18 20:20:21,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:21,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183870266] [2020-08-18 20:20:21,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:21,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:21,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:21,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:20:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 20:20:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 80 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 20:20:21,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183870266] [2020-08-18 20:20:21,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:21,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:20:21,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383275933] [2020-08-18 20:20:21,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:20:21,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:21,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:20:21,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:20:21,400 INFO L87 Difference]: Start difference. First operand 3360 states and 4099 transitions. Second operand 7 states. [2020-08-18 20:20:22,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:22,672 INFO L93 Difference]: Finished difference Result 7002 states and 8519 transitions. [2020-08-18 20:20:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:20:22,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2020-08-18 20:20:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:22,699 INFO L225 Difference]: With dead ends: 7002 [2020-08-18 20:20:22,699 INFO L226 Difference]: Without dead ends: 3648 [2020-08-18 20:20:22,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2020-08-18 20:20:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3646. [2020-08-18 20:20:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3646 states. [2020-08-18 20:20:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4303 transitions. [2020-08-18 20:20:22,864 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4303 transitions. Word has length 195 [2020-08-18 20:20:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:22,865 INFO L479 AbstractCegarLoop]: Abstraction has 3646 states and 4303 transitions. [2020-08-18 20:20:22,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:20:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4303 transitions. [2020-08-18 20:20:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-08-18 20:20:22,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:22,878 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:20:22,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 20:20:22,879 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:22,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:22,880 INFO L82 PathProgramCache]: Analyzing trace with hash 426210850, now seen corresponding path program 1 times [2020-08-18 20:20:22,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:22,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877742466] [2020-08-18 20:20:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-18 20:20:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 20:20:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-18 20:20:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 122 proven. 36 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-08-18 20:20:23,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877742466] [2020-08-18 20:20:23,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:23,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:20:23,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397091828] [2020-08-18 20:20:23,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:20:23,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:23,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:20:23,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:20:23,179 INFO L87 Difference]: Start difference. First operand 3646 states and 4303 transitions. Second operand 7 states. [2020-08-18 20:20:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:24,508 INFO L93 Difference]: Finished difference Result 7167 states and 8462 transitions. [2020-08-18 20:20:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:20:24,508 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-08-18 20:20:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:24,523 INFO L225 Difference]: With dead ends: 7167 [2020-08-18 20:20:24,523 INFO L226 Difference]: Without dead ends: 3662 [2020-08-18 20:20:24,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:20:24,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2020-08-18 20:20:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3656. [2020-08-18 20:20:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states. [2020-08-18 20:20:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 4209 transitions. [2020-08-18 20:20:24,630 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 4209 transitions. Word has length 232 [2020-08-18 20:20:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:24,631 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 4209 transitions. [2020-08-18 20:20:24,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:20:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 4209 transitions. [2020-08-18 20:20:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-08-18 20:20:24,645 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:24,645 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:20:24,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 20:20:24,646 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:24,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:24,647 INFO L82 PathProgramCache]: Analyzing trace with hash 604394622, now seen corresponding path program 1 times [2020-08-18 20:20:24,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:24,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951579244] [2020-08-18 20:20:24,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:20:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 20:20:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-18 20:20:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 147 proven. 39 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-08-18 20:20:24,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951579244] [2020-08-18 20:20:24,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:24,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 20:20:24,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36846532] [2020-08-18 20:20:24,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:20:24,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:24,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:20:24,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:20:24,973 INFO L87 Difference]: Start difference. First operand 3656 states and 4209 transitions. Second operand 9 states. [2020-08-18 20:20:29,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:29,099 INFO L93 Difference]: Finished difference Result 11217 states and 13877 transitions. [2020-08-18 20:20:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 20:20:29,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-08-18 20:20:29,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:29,140 INFO L225 Difference]: With dead ends: 11217 [2020-08-18 20:20:29,140 INFO L226 Difference]: Without dead ends: 7702 [2020-08-18 20:20:29,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-08-18 20:20:29,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7702 states. [2020-08-18 20:20:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7702 to 7406. [2020-08-18 20:20:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7406 states. [2020-08-18 20:20:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7406 states to 7406 states and 9126 transitions. [2020-08-18 20:20:29,372 INFO L78 Accepts]: Start accepts. Automaton has 7406 states and 9126 transitions. Word has length 246 [2020-08-18 20:20:29,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:29,373 INFO L479 AbstractCegarLoop]: Abstraction has 7406 states and 9126 transitions. [2020-08-18 20:20:29,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:20:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 7406 states and 9126 transitions. [2020-08-18 20:20:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-08-18 20:20:29,405 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:29,405 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:29,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 20:20:29,406 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:29,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:29,406 INFO L82 PathProgramCache]: Analyzing trace with hash -763457286, now seen corresponding path program 1 times [2020-08-18 20:20:29,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:29,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574989852] [2020-08-18 20:20:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-18 20:20:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 171 proven. 27 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-08-18 20:20:29,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574989852] [2020-08-18 20:20:29,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:29,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 20:20:29,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789009696] [2020-08-18 20:20:29,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:20:29,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:29,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:20:29,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:20:29,786 INFO L87 Difference]: Start difference. First operand 7406 states and 9126 transitions. Second operand 10 states. [2020-08-18 20:20:30,516 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-08-18 20:20:32,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:32,492 INFO L93 Difference]: Finished difference Result 14172 states and 17050 transitions. [2020-08-18 20:20:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 20:20:32,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 276 [2020-08-18 20:20:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:32,520 INFO L225 Difference]: With dead ends: 14172 [2020-08-18 20:20:32,520 INFO L226 Difference]: Without dead ends: 6907 [2020-08-18 20:20:32,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-08-18 20:20:32,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2020-08-18 20:20:32,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6883. [2020-08-18 20:20:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6883 states. [2020-08-18 20:20:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 7945 transitions. [2020-08-18 20:20:32,700 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 7945 transitions. Word has length 276 [2020-08-18 20:20:32,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:32,700 INFO L479 AbstractCegarLoop]: Abstraction has 6883 states and 7945 transitions. [2020-08-18 20:20:32,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:20:32,700 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 7945 transitions. [2020-08-18 20:20:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-08-18 20:20:32,718 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:32,718 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:32,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 20:20:32,719 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:32,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2075847519, now seen corresponding path program 1 times [2020-08-18 20:20:32,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:32,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15288960] [2020-08-18 20:20:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:32,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:33,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:33,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:33,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:33,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-18 20:20:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 225 proven. 31 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-08-18 20:20:33,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15288960] [2020-08-18 20:20:33,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:33,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 20:20:33,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653943363] [2020-08-18 20:20:33,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:20:33,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:33,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:20:33,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:20:33,190 INFO L87 Difference]: Start difference. First operand 6883 states and 7945 transitions. Second operand 9 states. [2020-08-18 20:20:34,790 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-08-18 20:20:35,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:35,228 INFO L93 Difference]: Finished difference Result 13655 states and 15775 transitions. [2020-08-18 20:20:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 20:20:35,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 289 [2020-08-18 20:20:35,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:35,311 INFO L225 Difference]: With dead ends: 13655 [2020-08-18 20:20:35,311 INFO L226 Difference]: Without dead ends: 6913 [2020-08-18 20:20:35,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-18 20:20:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2020-08-18 20:20:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6885. [2020-08-18 20:20:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6885 states. [2020-08-18 20:20:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 7926 transitions. [2020-08-18 20:20:35,464 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 7926 transitions. Word has length 289 [2020-08-18 20:20:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:35,464 INFO L479 AbstractCegarLoop]: Abstraction has 6885 states and 7926 transitions. [2020-08-18 20:20:35,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:20:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 7926 transitions. [2020-08-18 20:20:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-08-18 20:20:35,484 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:35,484 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:35,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 20:20:35,485 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:35,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:35,485 INFO L82 PathProgramCache]: Analyzing trace with hash -394947665, now seen corresponding path program 1 times [2020-08-18 20:20:35,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:35,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809144969] [2020-08-18 20:20:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-08-18 20:20:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-18 20:20:35,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809144969] [2020-08-18 20:20:35,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:35,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 20:20:35,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51934169] [2020-08-18 20:20:35,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:20:35,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:35,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:20:35,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:20:35,839 INFO L87 Difference]: Start difference. First operand 6885 states and 7926 transitions. Second operand 8 states. [2020-08-18 20:20:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:37,031 INFO L93 Difference]: Finished difference Result 13538 states and 15450 transitions. [2020-08-18 20:20:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:20:37,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-08-18 20:20:37,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:37,054 INFO L225 Difference]: With dead ends: 13538 [2020-08-18 20:20:37,054 INFO L226 Difference]: Without dead ends: 6796 [2020-08-18 20:20:37,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6796 states. [2020-08-18 20:20:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6796 to 6053. [2020-08-18 20:20:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6053 states. [2020-08-18 20:20:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 6739 transitions. [2020-08-18 20:20:37,271 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 6739 transitions. Word has length 308 [2020-08-18 20:20:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:37,272 INFO L479 AbstractCegarLoop]: Abstraction has 6053 states and 6739 transitions. [2020-08-18 20:20:37,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:20:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 6739 transitions. [2020-08-18 20:20:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-08-18 20:20:37,288 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:37,289 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-08-18 20:20:37,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 20:20:37,289 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:37,290 INFO L82 PathProgramCache]: Analyzing trace with hash 874817583, now seen corresponding path program 1 times [2020-08-18 20:20:37,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:37,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740811749] [2020-08-18 20:20:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-18 20:20:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-08-18 20:20:37,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740811749] [2020-08-18 20:20:37,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:37,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 20:20:37,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103035679] [2020-08-18 20:20:37,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:20:37,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:37,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:20:37,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:20:37,640 INFO L87 Difference]: Start difference. First operand 6053 states and 6739 transitions. Second operand 5 states. [2020-08-18 20:20:38,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:38,583 INFO L93 Difference]: Finished difference Result 12515 states and 13928 transitions. [2020-08-18 20:20:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:20:38,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2020-08-18 20:20:38,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:38,601 INFO L225 Difference]: With dead ends: 12515 [2020-08-18 20:20:38,601 INFO L226 Difference]: Without dead ends: 5497 [2020-08-18 20:20:38,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 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 20:20:38,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2020-08-18 20:20:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 5344. [2020-08-18 20:20:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-08-18 20:20:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5826 transitions. [2020-08-18 20:20:38,724 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5826 transitions. Word has length 313 [2020-08-18 20:20:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:38,725 INFO L479 AbstractCegarLoop]: Abstraction has 5344 states and 5826 transitions. [2020-08-18 20:20:38,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:20:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5826 transitions. [2020-08-18 20:20:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-08-18 20:20:38,739 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:38,740 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 20:20:38,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 20:20:38,740 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:38,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:38,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1264462194, now seen corresponding path program 1 times [2020-08-18 20:20:38,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:38,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676003502] [2020-08-18 20:20:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:38,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:38,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-18 20:20:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-18 20:20:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 184 proven. 21 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-08-18 20:20:39,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676003502] [2020-08-18 20:20:39,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:39,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 20:20:39,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112120248] [2020-08-18 20:20:39,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 20:20:39,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:39,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 20:20:39,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:20:39,222 INFO L87 Difference]: Start difference. First operand 5344 states and 5826 transitions. Second operand 6 states. [2020-08-18 20:20:40,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:40,374 INFO L93 Difference]: Finished difference Result 5904 states and 6477 transitions. [2020-08-18 20:20:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:20:40,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 318 [2020-08-18 20:20:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:40,400 INFO L225 Difference]: With dead ends: 5904 [2020-08-18 20:20:40,400 INFO L226 Difference]: Without dead ends: 5902 [2020-08-18 20:20:40,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:20:40,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5902 states. [2020-08-18 20:20:40,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5902 to 5479. [2020-08-18 20:20:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-08-18 20:20:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 5996 transitions. [2020-08-18 20:20:40,508 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 5996 transitions. Word has length 318 [2020-08-18 20:20:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:40,509 INFO L479 AbstractCegarLoop]: Abstraction has 5479 states and 5996 transitions. [2020-08-18 20:20:40,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 20:20:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 5996 transitions. [2020-08-18 20:20:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-08-18 20:20:40,524 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:40,524 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-08-18 20:20:40,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 20:20:40,525 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash 41074506, now seen corresponding path program 1 times [2020-08-18 20:20:40,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:40,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368714141] [2020-08-18 20:20:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-18 20:20:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:40,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-08-18 20:20:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 357 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-08-18 20:20:41,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368714141] [2020-08-18 20:20:41,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:41,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 20:20:41,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727683872] [2020-08-18 20:20:41,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 20:20:41,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:41,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 20:20:41,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:20:41,228 INFO L87 Difference]: Start difference. First operand 5479 states and 5996 transitions. Second operand 12 states. [2020-08-18 20:20:41,590 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-08-18 20:20:43,291 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-08-18 20:20:43,876 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-08-18 20:20:44,707 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-08-18 20:20:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:45,276 INFO L93 Difference]: Finished difference Result 10259 states and 11214 transitions. [2020-08-18 20:20:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-18 20:20:45,277 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 338 [2020-08-18 20:20:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:45,287 INFO L225 Difference]: With dead ends: 10259 [2020-08-18 20:20:45,288 INFO L226 Difference]: Without dead ends: 4923 [2020-08-18 20:20:45,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2020-08-18 20:20:45,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2020-08-18 20:20:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4905. [2020-08-18 20:20:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4905 states. [2020-08-18 20:20:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 5319 transitions. [2020-08-18 20:20:45,388 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 5319 transitions. Word has length 338 [2020-08-18 20:20:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:45,389 INFO L479 AbstractCegarLoop]: Abstraction has 4905 states and 5319 transitions. [2020-08-18 20:20:45,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 20:20:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 5319 transitions. [2020-08-18 20:20:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-08-18 20:20:45,413 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:20:45,414 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2020-08-18 20:20:45,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 20:20:45,414 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:20:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:20:45,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1269018866, now seen corresponding path program 1 times [2020-08-18 20:20:45,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:20:45,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949933141] [2020-08-18 20:20:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:20:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:20:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:20:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:20:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 20:20:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-18 20:20:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-18 20:20:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-18 20:20:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:20:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 224 proven. 24 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2020-08-18 20:20:45,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949933141] [2020-08-18 20:20:45,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:20:45,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:20:45,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564183353] [2020-08-18 20:20:45,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:20:45,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:20:45,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:20:45,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:20:45,821 INFO L87 Difference]: Start difference. First operand 4905 states and 5319 transitions. Second operand 7 states. [2020-08-18 20:20:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:20:47,087 INFO L93 Difference]: Finished difference Result 8974 states and 9763 transitions. [2020-08-18 20:20:47,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:20:47,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 358 [2020-08-18 20:20:47,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:20:47,089 INFO L225 Difference]: With dead ends: 8974 [2020-08-18 20:20:47,089 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:20:47,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:20:47,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:20:47,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:20:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:20:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:20:47,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-08-18 20:20:47,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:20:47,103 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:20:47,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:20:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:20:47,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:20:47,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 20:20:47,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:20:48,118 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-18 20:20:48,449 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 215 [2020-08-18 20:20:50,778 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2020-08-18 20:20:52,278 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-18 20:20:53,714 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-08-18 20:20:53,718 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:20:53,718 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,719 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,720 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,720 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 20:20:53,722 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,725 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 20:20:53,726 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 20:20:53,727 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 20:20:53,728 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 20:20:53,728 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,728 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,728 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,728 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 20:20:53,729 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 20:20:53,730 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,731 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 20:20:53,732 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,733 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 20:20:53,734 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 20:20:53,735 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 20:20:53,735 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 20:20:53,735 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 20:20:53,735 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,736 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 20:20:53,737 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 20:20:53,738 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 20:20:53,740 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 20:20:53,741 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= |old(~a20~0)| 1)) (.cse15 (= |old(~a7~0)| 1)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse28 (= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|)) (.cse29 (= ~a16~0 4))) (let ((.cse18 (not (<= 14 |old(~a8~0)|))) (.cse22 (and .cse3 .cse2 .cse4 .cse5 .cse7 .cse29)) (.cse19 (not (<= |old(~a16~0)| 5))) (.cse23 (and .cse3 .cse2 .cse4 .cse5 .cse7 (= 5 ~a16~0))) (.cse24 (not (= 5 |old(~a16~0)|))) (.cse26 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse28)) (.cse8 (not (<= |old(~a17~0)| 0))) (.cse16 (not (= |old(~a17~0)| 1))) (.cse0 (not (<= |old(~a7~0)| 0))) (.cse17 (not (<= 15 |old(~a8~0)|))) (.cse1 (not (<= 1 |old(~a21~0)|))) (.cse25 (not (= 6 |old(~a16~0)|))) (.cse20 (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse7)) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse12 (not (= |old(~a8~0)| 13))) (.cse27 (not .cse15)) (.cse14 (and .cse3 .cse2 .cse4 .cse5 .cse28 .cse29)) (.cse21 (not .cse13)) (.cse9 (not (= ~a12~0 8))) (.cse11 (not (= 4 |old(~a16~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse1 .cse14 .cse9 .cse11 .cse15) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~a17~0 1)) .cse16 .cse13 .cse17 .cse1 .cse9 .cse11 .cse15) (or .cse18 .cse19 .cse1 .cse20 .cse8 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse1 .cse21 .cse22 .cse9 .cse11) (or .cse18 .cse1 .cse23 .cse8 .cse24 .cse9) (or .cse17 .cse1 .cse25 .cse21 .cse20 .cse8 .cse9 .cse15) (or .cse0 .cse17 .cse1 .cse25 .cse8 .cse20 .cse9 .cse10) (or .cse12 .cse16 .cse26 .cse19 .cse27 .cse21 .cse9) (or .cse12 .cse16 .cse0 .cse26 .cse1 .cse25 .cse21 .cse9) (or .cse12 .cse0 .cse1 .cse14 .cse21 .cse9 .cse11) (or .cse16 .cse13 .cse17 .cse1 .cse23 .cse24 .cse9 .cse15) (or .cse0 .cse1 .cse21 .cse8 .cse22 .cse9 .cse11) (or .cse12 .cse16 .cse26 .cse19 .cse9 .cse10) (or .cse16 .cse0 .cse19 .cse17 .cse1 .cse23 .cse21 .cse24 .cse9) (or .cse12 .cse26 .cse27 .cse25 .cse21 .cse8 .cse9) (or .cse16 .cse0 .cse17 .cse1 .cse25 .cse20 .cse9 .cse10) (or .cse12 .cse27 .cse14 .cse21 (= |old(~a21~0)| 1) .cse9 .cse11 (not (= 0 |old(~a17~0)|)))))) [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,742 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 20:20:53,743 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,744 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 20:20:53,745 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,746 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 20:20:53,747 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 8) (<= ~a7~0 0) (= ~a20~0 1) (<= 1 ~a21~0) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-18 20:20:53,748 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:20:53,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:20:53,748 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a21~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= ~a12~0 8))) [2020-08-18 20:20:53,749 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 20:20:53,749 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-18 20:20:53,749 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 20:20:53,749 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 20:20:53,750 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse12 (= ~a7~0 1))) (let ((.cse11 (= 5 ~a16~0)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a16~0 6)) (.cse7 (<= ~a7~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse14 (<= 14 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse13 (<= ~a16~0 5)) (.cse10 (= ~a17~0 1)) (.cse16 (<= ~a20~0 0)) (.cse8 (= ~a8~0 13)) (.cse9 (= ~a16~0 4)) (.cse4 (<= 1 ~a21~0)) (.cse3 (not .cse12)) (.cse15 (not .cse2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse9 .cse4) (and .cse6 .cse7 .cse2 .cse9 .cse4 .cse10) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a8~0 |old(~a8~0)|) .cse11) (and .cse6 .cse1 .cse7 .cse2 .cse9 .cse4) (and .cse12 .cse13 .cse8 .cse2 .cse10) (and .cse14 .cse1 .cse4 .cse11) (and .cse3 .cse4 .cse11 .cse15 .cse5 .cse10) (and .cse12 .cse0 .cse1 .cse8 .cse2) (not (<= 1 |old(~a21~0)|)) (and .cse12 (= ~a20~0 |old(~a20~0)|) (not (= ~a21~0 1)) .cse8 .cse9 (= ~a17~0 0)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse7 .cse4 .cse10 .cse16 .cse5) (and .cse6 .cse1 .cse7 .cse9 .cse4 .cse16) (not .cse6) (not (<= |old(~a7~0)| 0)) (and .cse9 .cse3 .cse4 .cse15 .cse10 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse8 .cse7 .cse2 .cse4 .cse10) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse7 .cse4 .cse16 .cse5) (and .cse14 .cse13 .cse1 .cse4 .cse16) (and .cse13 .cse8 .cse10 .cse16) (and .cse8 .cse9 .cse4 .cse3 .cse15)))) [2020-08-18 20:20:53,750 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 20:20:53,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:20:53 BoogieIcfgContainer [2020-08-18 20:20:53,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:20:53,794 INFO L168 Benchmark]: Toolchain (without parser) took 46072.65 ms. Allocated memory was 136.8 MB in the beginning and 863.0 MB in the end (delta: 726.1 MB). Free memory was 98.0 MB in the beginning and 209.8 MB in the end (delta: -111.8 MB). Peak memory consumption was 742.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,795 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.48 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 97.8 MB in the beginning and 167.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,796 INFO L168 Benchmark]: Boogie Preprocessor took 114.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 163.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,797 INFO L168 Benchmark]: RCFGBuilder took 1379.73 ms. Allocated memory was 202.4 MB in the beginning and 230.7 MB in the end (delta: 28.3 MB). Free memory was 162.7 MB in the beginning and 177.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,798 INFO L168 Benchmark]: TraceAbstraction took 43718.33 ms. Allocated memory was 230.7 MB in the beginning and 863.0 MB in the end (delta: 632.3 MB). Free memory was 177.3 MB in the beginning and 209.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 728.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:20:53,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 852.48 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 97.8 MB in the beginning and 167.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 163.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1379.73 ms. Allocated memory was 202.4 MB in the beginning and 230.7 MB in the end (delta: 28.3 MB). Free memory was 162.7 MB in the beginning and 177.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43718.33 ms. Allocated memory was 230.7 MB in the beginning and 863.0 MB in the end (delta: 632.3 MB). Free memory was 177.3 MB in the beginning and 209.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 728.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a16 == 6 && a17 <= 0) && a20 == 1) && !(a7 == 1)) && 1 <= a21) && 15 <= a8) || (((((a12 == 8 && a7 <= 0) && a8 == 13) && a20 == 1) && a16 == 4) && 1 <= a21)) || (((((a12 == 8 && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21) && a17 == 1)) || !(\old(a20) == 1)) || ((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a8 == \old(a8)) && 5 == a16)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4) && 1 <= a21)) || ((((a7 == 1 && a16 <= 5) && a8 == 13) && a20 == 1) && a17 == 1)) || (((14 <= a8 && a17 <= 0) && 1 <= a21) && 5 == a16)) || (((((!(a7 == 1) && 1 <= a21) && 5 == a16) && !(a20 == 1)) && 15 <= a8) && a17 == 1)) || ((((a7 == 1 && a16 == 6) && a17 <= 0) && a8 == 13) && a20 == 1)) || !(1 <= \old(a21))) || (((((a7 == 1 && a20 == \old(a20)) && !(a21 == 1)) && a8 == 13) && a16 == 4) && a17 == 0)) || !(5 == \old(a16))) || (((((a16 == 6 && a7 <= 0) && 1 <= a21) && a17 == 1) && a20 <= 0) && 15 <= a8)) || (((((a12 == 8 && a17 <= 0) && a7 <= 0) && a16 == 4) && 1 <= a21) && a20 <= 0)) || !(a12 == 8)) || !(\old(a7) <= 0)) || (((((a16 == 4 && !(a7 == 1)) && 1 <= a21) && !(a20 == 1)) && a17 == 1) && 15 <= a8)) || !(\old(a17) == 1)) || (((((a16 == 6 && a8 == 13) && a7 <= 0) && a20 == 1) && 1 <= a21) && a17 == 1)) || !(15 <= \old(a8))) || (((((a16 == 6 && a17 <= 0) && a7 <= 0) && 1 <= a21) && a20 <= 0) && 15 <= a8)) || ((((14 <= a8 && a16 <= 5) && a17 <= 0) && 1 <= a21) && a20 <= 0)) || (((a16 <= 5 && a8 == 13) && a17 == 1) && a20 <= 0)) || ((((a8 == 13 && a16 == 4) && 1 <= a21) && !(a7 == 1)) && !(a20 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.9s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 487 SDtfs, 10981 SDslu, 677 SDs, 0 SdLazy, 15843 SolverSat, 2374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 228 SyntacticMatches, 4 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7406occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 2073 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 450 PreInvPairs, 528 NumberOfFragments, 1650 HoareAnnotationTreeSize, 450 FomulaSimplifications, 157403 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 33192 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 3774 NumberOfCodeBlocks, 3774 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3758 ConstructedInterpolants, 0 QuantifiedInterpolants, 2788865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 3698/3974 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...