/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:21:38,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:21:38,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:21:38,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:21:38,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:21:38,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:21:38,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:21:38,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:21:38,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:21:38,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:21:38,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:21:38,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:21:38,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:21:38,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:21:38,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:21:38,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:21:38,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:21:38,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:21:38,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:21:38,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:21:38,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:21:38,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:21:38,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:21:38,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:21:38,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:21:38,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:21:38,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:21:38,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:21:38,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:21:38,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:21:38,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:21:38,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:21:38,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:21:38,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:21:38,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:21:38,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:21:38,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:21:38,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:21:38,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:21:38,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:21:38,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:21:38,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 13:21:38,460 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:21:38,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:21:38,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:21:38,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:21:38,463 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:21:38,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:21:38,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:21:38,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:21:38,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:21:38,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:21:38,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:21:38,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:21:38,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:21:38,467 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:21:38,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:21:38,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:21:38,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:21:38,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:21:38,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:21:38,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:21:38,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:21:38,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:21:38,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:21:38,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:21:38,470 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 -> false [2020-08-21 13:21:38,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:21:38,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:21:38,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:21:38,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:21:38,771 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:21:38,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 13:21:38,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25de6f0d5/92754683f4f141ee80275135edf0f9b6/FLAG161078c1d [2020-08-21 13:21:39,391 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:21:39,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 13:21:39,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25de6f0d5/92754683f4f141ee80275135edf0f9b6/FLAG161078c1d [2020-08-21 13:21:39,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25de6f0d5/92754683f4f141ee80275135edf0f9b6 [2020-08-21 13:21:39,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:21:39,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:21:39,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:21:39,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:21:39,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:21:39,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:21:39" (1/1) ... [2020-08-21 13:21:39,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed69f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:39, skipping insertion in model container [2020-08-21 13:21:39,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:21:39" (1/1) ... [2020-08-21 13:21:39,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:21:39,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:21:40,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:21:40,187 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:21:40,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:21:40,334 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:21:40,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40 WrapperNode [2020-08-21 13:21:40,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:21:40,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:21:40,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:21:40,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:21:40,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... [2020-08-21 13:21:40,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:21:40,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:21:40,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:21:40,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:21:40,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:21:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:21:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:21:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 13:21:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:21:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 13:21:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:21:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:21:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 13:21:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:21:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:21:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:21:41,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:21:41,707 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 13:21:41,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:21:41 BoogieIcfgContainer [2020-08-21 13:21:41,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:21:41,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:21:41,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:21:41,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:21:41,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:21:39" (1/3) ... [2020-08-21 13:21:41,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1babf9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:21:41, skipping insertion in model container [2020-08-21 13:21:41,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:21:40" (2/3) ... [2020-08-21 13:21:41,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1babf9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:21:41, skipping insertion in model container [2020-08-21 13:21:41,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:21:41" (3/3) ... [2020-08-21 13:21:41,730 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-08-21 13:21:41,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:21:41,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:21:41,774 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:21:41,802 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:21:41,803 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:21:41,803 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:21:41,803 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:21:41,803 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:21:41,804 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:21:41,804 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:21:41,804 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:21:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 13:21:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 13:21:41,842 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:41,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:21:41,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:41,851 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-08-21 13:21:41,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:41,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374955917] [2020-08-21 13:21:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:21:42,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374955917] [2020-08-21 13:21:42,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:21:42,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:21:42,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901539632] [2020-08-21 13:21:42,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:21:42,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:42,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:21:42,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:21:42,448 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 13:21:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:44,761 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-21 13:21:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:21:44,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-21 13:21:44,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:44,787 INFO L225 Difference]: With dead ends: 813 [2020-08-21 13:21:44,788 INFO L226 Difference]: Without dead ends: 488 [2020-08-21 13:21:44,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:21:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-21 13:21:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-21 13:21:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-21 13:21:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-21 13:21:44,908 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-08-21 13:21:44,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:44,912 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-21 13:21:44,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:21:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-21 13:21:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-21 13:21:44,923 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:44,923 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:21:44,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:21:44,924 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:44,924 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-08-21 13:21:44,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:44,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312630523] [2020-08-21 13:21:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 13:21:45,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312630523] [2020-08-21 13:21:45,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:21:45,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:21:45,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030312804] [2020-08-21 13:21:45,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:21:45,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:45,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:21:45,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:21:45,225 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-21 13:21:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:46,965 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-21 13:21:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:21:46,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-21 13:21:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:46,975 INFO L225 Difference]: With dead ends: 1399 [2020-08-21 13:21:46,975 INFO L226 Difference]: Without dead ends: 924 [2020-08-21 13:21:46,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:21:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-21 13:21:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-21 13:21:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-21 13:21:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-21 13:21:47,027 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 140 [2020-08-21 13:21:47,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:47,028 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-21 13:21:47,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:21:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-21 13:21:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-21 13:21:47,033 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:47,033 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:21:47,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:21:47,034 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:47,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:47,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-08-21 13:21:47,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:47,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251334619] [2020-08-21 13:21:47,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:47,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:21:47,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251334619] [2020-08-21 13:21:47,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:21:47,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:21:47,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042244986] [2020-08-21 13:21:47,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:21:47,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:47,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:21:47,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:21:47,273 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-21 13:21:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:49,298 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-21 13:21:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:21:49,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-08-21 13:21:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:49,324 INFO L225 Difference]: With dead ends: 2632 [2020-08-21 13:21:49,324 INFO L226 Difference]: Without dead ends: 1866 [2020-08-21 13:21:49,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:21:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-21 13:21:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-21 13:21:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-21 13:21:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2094 transitions. [2020-08-21 13:21:49,429 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2094 transitions. Word has length 154 [2020-08-21 13:21:49,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:49,429 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2094 transitions. [2020-08-21 13:21:49,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:21:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2094 transitions. [2020-08-21 13:21:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-21 13:21:49,440 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:49,440 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:21:49,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:21:49,441 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:49,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:49,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-08-21 13:21:49,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:49,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630713433] [2020-08-21 13:21:49,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 13:21:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 13:21:49,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630713433] [2020-08-21 13:21:49,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:21:49,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:21:49,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111518015] [2020-08-21 13:21:49,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:21:49,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:49,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:21:49,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:21:49,724 INFO L87 Difference]: Start difference. First operand 1545 states and 2094 transitions. Second operand 7 states. [2020-08-21 13:21:49,865 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-08-21 13:21:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:52,582 INFO L93 Difference]: Finished difference Result 7540 states and 10695 transitions. [2020-08-21 13:21:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:21:52,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-08-21 13:21:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:52,624 INFO L225 Difference]: With dead ends: 7540 [2020-08-21 13:21:52,625 INFO L226 Difference]: Without dead ends: 6001 [2020-08-21 13:21:52,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:21:52,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2020-08-21 13:21:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5673. [2020-08-21 13:21:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5673 states. [2020-08-21 13:21:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7856 transitions. [2020-08-21 13:21:52,886 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7856 transitions. Word has length 167 [2020-08-21 13:21:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:52,887 INFO L479 AbstractCegarLoop]: Abstraction has 5673 states and 7856 transitions. [2020-08-21 13:21:52,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:21:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7856 transitions. [2020-08-21 13:21:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-21 13:21:52,905 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:52,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:21:52,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:21:52,906 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:52,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-08-21 13:21:52,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:52,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616326076] [2020-08-21 13:21:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:53,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:53,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 13:21:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:21:53,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616326076] [2020-08-21 13:21:53,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:21:53,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:21:53,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065100252] [2020-08-21 13:21:53,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:21:53,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:53,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:21:53,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:21:53,090 INFO L87 Difference]: Start difference. First operand 5673 states and 7856 transitions. Second operand 7 states. [2020-08-21 13:21:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:54,618 INFO L93 Difference]: Finished difference Result 11131 states and 15877 transitions. [2020-08-21 13:21:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:21:54,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-21 13:21:54,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:54,650 INFO L225 Difference]: With dead ends: 11131 [2020-08-21 13:21:54,650 INFO L226 Difference]: Without dead ends: 5464 [2020-08-21 13:21:54,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:21:54,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-08-21 13:21:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5254. [2020-08-21 13:21:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-08-21 13:21:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6737 transitions. [2020-08-21 13:21:54,835 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6737 transitions. Word has length 171 [2020-08-21 13:21:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:54,836 INFO L479 AbstractCegarLoop]: Abstraction has 5254 states and 6737 transitions. [2020-08-21 13:21:54,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:21:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6737 transitions. [2020-08-21 13:21:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-21 13:21:54,856 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:54,857 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:21:54,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:21:54,858 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:54,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1742257649, now seen corresponding path program 1 times [2020-08-21 13:21:54,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:54,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161986684] [2020-08-21 13:21:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 13:21:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:21:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-21 13:21:55,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161986684] [2020-08-21 13:21:55,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:21:55,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 13:21:55,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833204249] [2020-08-21 13:21:55,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:21:55,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:55,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:21:55,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:21:55,163 INFO L87 Difference]: Start difference. First operand 5254 states and 6737 transitions. Second operand 9 states. [2020-08-21 13:21:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:21:58,246 INFO L93 Difference]: Finished difference Result 10173 states and 13051 transitions. [2020-08-21 13:21:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:21:58,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-08-21 13:21:58,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:21:58,267 INFO L225 Difference]: With dead ends: 10173 [2020-08-21 13:21:58,267 INFO L226 Difference]: Without dead ends: 4481 [2020-08-21 13:21:58,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-21 13:21:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2020-08-21 13:21:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4039. [2020-08-21 13:21:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2020-08-21 13:21:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 4891 transitions. [2020-08-21 13:21:58,398 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 4891 transitions. Word has length 197 [2020-08-21 13:21:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:21:58,398 INFO L479 AbstractCegarLoop]: Abstraction has 4039 states and 4891 transitions. [2020-08-21 13:21:58,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:21:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4891 transitions. [2020-08-21 13:21:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-21 13:21:58,410 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:21:58,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:21:58,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:21:58,411 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:21:58,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:21:58,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1025523057, now seen corresponding path program 1 times [2020-08-21 13:21:58,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:21:58,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550083384] [2020-08-21 13:21:58,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:21:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:21:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:58,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:21:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 13:21:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:21:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:21:58,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550083384] [2020-08-21 13:21:58,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:21:58,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 13:21:58,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910353887] [2020-08-21 13:21:58,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:21:58,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:21:58,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:21:58,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:21:58,764 INFO L87 Difference]: Start difference. First operand 4039 states and 4891 transitions. Second operand 9 states. [2020-08-21 13:22:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:00,610 INFO L93 Difference]: Finished difference Result 9138 states and 11177 transitions. [2020-08-21 13:22:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:22:00,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-08-21 13:22:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:00,633 INFO L225 Difference]: With dead ends: 9138 [2020-08-21 13:22:00,633 INFO L226 Difference]: Without dead ends: 5249 [2020-08-21 13:22:00,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-21 13:22:00,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2020-08-21 13:22:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4655. [2020-08-21 13:22:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4655 states. [2020-08-21 13:22:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5544 transitions. [2020-08-21 13:22:00,777 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5544 transitions. Word has length 213 [2020-08-21 13:22:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:00,777 INFO L479 AbstractCegarLoop]: Abstraction has 4655 states and 5544 transitions. [2020-08-21 13:22:00,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:22:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5544 transitions. [2020-08-21 13:22:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 13:22:00,794 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:00,794 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:22:00,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:22:00,795 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:00,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:00,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-08-21 13:22:00,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:00,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752184648] [2020-08-21 13:22:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:00,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 13:22:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:22:01,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752184648] [2020-08-21 13:22:01,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:01,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:22:01,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516758394] [2020-08-21 13:22:01,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:22:01,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:01,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:22:01,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:22:01,166 INFO L87 Difference]: Start difference. First operand 4655 states and 5544 transitions. Second operand 8 states. [2020-08-21 13:22:02,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:02,971 INFO L93 Difference]: Finished difference Result 9170 states and 10928 transitions. [2020-08-21 13:22:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:22:02,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-21 13:22:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:02,995 INFO L225 Difference]: With dead ends: 9170 [2020-08-21 13:22:02,995 INFO L226 Difference]: Without dead ends: 3736 [2020-08-21 13:22:03,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:22:03,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-08-21 13:22:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3436. [2020-08-21 13:22:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2020-08-21 13:22:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 3745 transitions. [2020-08-21 13:22:03,089 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 3745 transitions. Word has length 217 [2020-08-21 13:22:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:03,089 INFO L479 AbstractCegarLoop]: Abstraction has 3436 states and 3745 transitions. [2020-08-21 13:22:03,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:22:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3745 transitions. [2020-08-21 13:22:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-21 13:22:03,100 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:03,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:22:03,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 13:22:03,101 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-08-21 13:22:03,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:03,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901455902] [2020-08-21 13:22:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:03,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:03,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 13:22:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 95 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-21 13:22:03,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901455902] [2020-08-21 13:22:03,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:03,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:22:03,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630144879] [2020-08-21 13:22:03,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:22:03,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:03,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:22:03,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:22:03,490 INFO L87 Difference]: Start difference. First operand 3436 states and 3745 transitions. Second operand 8 states. [2020-08-21 13:22:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:05,344 INFO L93 Difference]: Finished difference Result 6858 states and 7522 transitions. [2020-08-21 13:22:05,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 13:22:05,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 238 [2020-08-21 13:22:05,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:05,351 INFO L225 Difference]: With dead ends: 6858 [2020-08-21 13:22:05,351 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:22:05,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:22:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:22:05,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:22:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:22:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:22:05,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-08-21 13:22:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:05,364 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:22:05,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:22:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:22:05,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:22:05,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 13:22:05,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:22:05,935 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 13:22:06,083 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 13:22:07,758 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 218 DAG size of output: 72 [2020-08-21 13:22:08,208 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 13:22:08,598 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 13:22:08,602 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:22:08,603 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 13:22:08,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:22:08,603 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 13:22:08,604 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:22:08,605 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 13:22:08,606 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 13:22:08,607 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,608 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 13:22:08,609 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 13:22:08,610 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 13:22:08,611 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 13:22:08,612 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 13:22:08,613 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 13:22:08,614 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 13:22:08,615 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,616 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 13:22:08,617 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,618 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 13:22:08,619 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,620 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,621 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse10 (= ~a17~0 8)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse7 (= ~a17~0 |old(~a17~0)|) .cse8 .cse21 .cse22)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse14 (and .cse7 .cse8 .cse9 .cse21 .cse10)) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse7 .cse8 .cse10 .cse11 .cse22)) (.cse5 (= 11 |old(~a28~0)|)) (.cse6 (= 9 |old(~a28~0)|)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse20 (and .cse7 .cse8 .cse21 .cse10 .cse22)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse15 (not (<= |old(~a28~0)| 9))) (.cse17 (not (<= |old(~a25~0)| 0))) (.cse18 (= |old(~a11~0)| 1)) (.cse16 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse15 .cse16 .cse13) (or .cse2 .cse3 .cse15 .cse16 .cse13) (or .cse2 .cse5 .cse3 .cse17 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse18 (not (<= 10 |old(~a28~0)|))) (or .cse4 .cse1 .cse19 .cse12 .cse18 .cse16) (or .cse4 .cse19 .cse5 .cse6 .cse12 .cse16 .cse13) (or .cse0 .cse20 .cse12 .cse16) (or .cse20 .cse12 .cse15 .cse17 .cse18 .cse16)))) [2020-08-21 13:22:08,621 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,621 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,621 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,621 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 13:22:08,621 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 13:22:08,622 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 13:22:08,623 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 13:22:08,624 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:08,625 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 13:22:08,626 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 13:22:08,627 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 13:22:08,628 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 13:22:08,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:22:08,628 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-21 13:22:08,628 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:22:08,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:22:08,628 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-08-21 13:22:08,629 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-21 13:22:08,629 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 13:22:08,629 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 13:22:08,629 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-21 13:22:08,629 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 13:22:08,629 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 13:22:08,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:22:08 BoogieIcfgContainer [2020-08-21 13:22:08,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:22:08,654 INFO L168 Benchmark]: Toolchain (without parser) took 29002.05 ms. Allocated memory was 141.6 MB in the beginning and 636.5 MB in the end (delta: 494.9 MB). Free memory was 101.4 MB in the beginning and 363.9 MB in the end (delta: -262.5 MB). Peak memory consumption was 528.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,655 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.21 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 101.2 MB in the beginning and 173.9 MB in the end (delta: -72.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,657 INFO L168 Benchmark]: Boogie Preprocessor took 105.07 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,658 INFO L168 Benchmark]: RCFGBuilder took 1274.38 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.6 MB in the beginning and 177.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,658 INFO L168 Benchmark]: TraceAbstraction took 26931.30 ms. Allocated memory was 237.0 MB in the beginning and 636.5 MB in the end (delta: 399.5 MB). Free memory was 175.9 MB in the beginning and 363.9 MB in the end (delta: -188.0 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:08,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.21 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 101.2 MB in the beginning and 173.9 MB in the end (delta: -72.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.07 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1274.38 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 168.6 MB in the beginning and 177.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26931.30 ms. Allocated memory was 237.0 MB in the beginning and 636.5 MB in the end (delta: 399.5 MB). Free memory was 175.9 MB in the beginning and 363.9 MB in the end (delta: -188.0 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a19) == 1) || ((((!(a28 == 9) && !(a28 == a17)) && a17 == 8) && a25 == 1) && !(a28 == 11))) || !(8 == \old(a17))) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || !(\old(a25) <= 0)) || (((!(a28 == a17) && a19 == 1) && a28 <= 9) && a17 <= 8)) || (((a17 == 8 && !(a11 == 1)) && a28 <= 9) && a25 <= 0)) || ((!(a28 == a17) && a28 <= 9) && a17 <= 7)) || !(\old(a28) <= 7)) || ((((a19 == 1 && 10 <= a28) && a17 == 8) && !(a11 == 1)) && !(a28 == 11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (a17 == 8 && a28 <= 7)) || !(a21 == 1)) || !(\old(a11) <= 0)) || (((!(a28 == a17) && a17 <= 7) && a25 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 9124 SDslu, 496 SDs, 0 SdLazy, 10178 SolverSat, 2285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5673occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 209 PreInvPairs, 275 NumberOfFragments, 751 HoareAnnotationTreeSize, 209 FomulaSimplifications, 37281 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1629 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 946785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 485/522 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...