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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:51:42,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:51:42,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:51:42,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:51:42,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:51:42,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:51:42,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:51:42,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:51:42,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:51:42,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:51:42,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:51:42,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:51:42,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:51:42,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:51:42,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:51:42,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:51:42,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:51:42,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:51:42,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:51:42,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:51:42,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:51:42,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:51:42,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:51:42,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:51:42,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:51:42,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:51:42,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:51:42,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:51:42,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:51:42,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:51:42,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:51:42,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:51:42,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:51:42,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:51:42,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:51:42,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:51:42,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 21:51:42,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:51:42,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:51:42,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:51:42,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:51:42,219 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:51:42,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:51:42,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:51:42,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:51:42,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:51:42,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:51:42,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:51:42,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:51:42,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:51:42,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:51:42,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:51:42,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:51:42,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:51:42,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:51:42,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:51:42,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:51:42,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:51:42,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:51:42,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:51:42,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:51:42,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:51:42,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:51:42,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:51:42,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:51:42,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:51:42,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:51:42,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:51:42,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:51:42,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:51:42,550 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:51:42,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-14 21:51:42,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79195db2f/ae5198b6c7604cf5b2ad02465fd9e56a/FLAGa5b616c54 [2019-10-14 21:51:43,191 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:51:43,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-14 21:51:43,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79195db2f/ae5198b6c7604cf5b2ad02465fd9e56a/FLAGa5b616c54 [2019-10-14 21:51:43,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79195db2f/ae5198b6c7604cf5b2ad02465fd9e56a [2019-10-14 21:51:43,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:51:43,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:51:43,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:43,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:51:43,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:51:43,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:43" (1/1) ... [2019-10-14 21:51:43,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:43, skipping insertion in model container [2019-10-14 21:51:43,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:51:43" (1/1) ... [2019-10-14 21:51:43,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:51:43,557 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:51:44,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:44,116 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:51:44,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:51:44,315 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:51:44,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44 WrapperNode [2019-10-14 21:51:44,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:51:44,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:51:44,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:51:44,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:51:44,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... [2019-10-14 21:51:44,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:51:44,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:51:44,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:51:44,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:51:44,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:51:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:51:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:51:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:51:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:51:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:51:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:51:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:51:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:51:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:51:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:51:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:51:45,747 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:51:45,748 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:51:45,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:45 BoogieIcfgContainer [2019-10-14 21:51:45,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:51:45,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:51:45,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:51:45,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:51:45,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:51:43" (1/3) ... [2019-10-14 21:51:45,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2f57c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:45, skipping insertion in model container [2019-10-14 21:51:45,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:51:44" (2/3) ... [2019-10-14 21:51:45,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2f57c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:51:45, skipping insertion in model container [2019-10-14 21:51:45,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:51:45" (3/3) ... [2019-10-14 21:51:45,769 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2019-10-14 21:51:45,783 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:51:45,792 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:51:45,804 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:51:45,838 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:51:45,838 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:51:45,840 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:51:45,840 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:51:45,840 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:51:45,841 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:51:45,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:51:45,841 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:51:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-14 21:51:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 21:51:45,889 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:45,891 INFO L380 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] [2019-10-14 21:51:45,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:45,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:45,899 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2019-10-14 21:51:45,908 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:45,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869327416] [2019-10-14 21:51:45,908 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:45,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:45,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:46,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869327416] [2019-10-14 21:51:46,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:46,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:51:46,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388342989] [2019-10-14 21:51:46,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:51:46,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:46,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:51:46,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:51:46,494 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-14 21:51:48,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:48,119 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-14 21:51:48,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:51:48,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2019-10-14 21:51:48,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:48,138 INFO L225 Difference]: With dead ends: 557 [2019-10-14 21:51:48,138 INFO L226 Difference]: Without dead ends: 286 [2019-10-14 21:51:48,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:51:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-14 21:51:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-14 21:51:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 21:51:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2019-10-14 21:51:48,220 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 125 [2019-10-14 21:51:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:48,221 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2019-10-14 21:51:48,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:51:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2019-10-14 21:51:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-14 21:51:48,226 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:48,226 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:48,227 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:48,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2019-10-14 21:51:48,227 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:48,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627608462] [2019-10-14 21:51:48,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:48,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:48,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:48,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627608462] [2019-10-14 21:51:48,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:48,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 21:51:48,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258319371] [2019-10-14 21:51:48,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 21:51:48,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 21:51:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:51:48,512 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2019-10-14 21:51:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:50,508 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2019-10-14 21:51:50,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 21:51:50,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2019-10-14 21:51:50,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:50,517 INFO L225 Difference]: With dead ends: 987 [2019-10-14 21:51:50,518 INFO L226 Difference]: Without dead ends: 713 [2019-10-14 21:51:50,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2019-10-14 21:51:50,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-10-14 21:51:50,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2019-10-14 21:51:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-14 21:51:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 979 transitions. [2019-10-14 21:51:50,580 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 979 transitions. Word has length 134 [2019-10-14 21:51:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:50,580 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 979 transitions. [2019-10-14 21:51:50,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 21:51:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 979 transitions. [2019-10-14 21:51:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-14 21:51:50,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:50,586 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:50,587 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:50,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2019-10-14 21:51:50,588 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:50,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186515960] [2019-10-14 21:51:50,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:50,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:50,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:50,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186515960] [2019-10-14 21:51:50,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570429500] [2019-10-14 21:51:50,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:50,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:50,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-14 21:51:51,089 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:51,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-14 21:51:51,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107383517] [2019-10-14 21:51:51,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:51,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:51,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:51,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:51,093 INFO L87 Difference]: Start difference. First operand 699 states and 979 transitions. Second operand 3 states. [2019-10-14 21:51:51,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:51,736 INFO L93 Difference]: Finished difference Result 1942 states and 2759 transitions. [2019-10-14 21:51:51,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:51,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-14 21:51:51,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:51,745 INFO L225 Difference]: With dead ends: 1942 [2019-10-14 21:51:51,746 INFO L226 Difference]: Without dead ends: 1249 [2019-10-14 21:51:51,748 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2019-10-14 21:51:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2019-10-14 21:51:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2019-10-14 21:51:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1708 transitions. [2019-10-14 21:51:51,817 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1708 transitions. Word has length 145 [2019-10-14 21:51:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:51,817 INFO L462 AbstractCegarLoop]: Abstraction has 1249 states and 1708 transitions. [2019-10-14 21:51:51,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1708 transitions. [2019-10-14 21:51:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-14 21:51:51,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:51,825 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 21:51:52,029 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:52,030 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:52,030 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2019-10-14 21:51:52,031 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:52,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143053166] [2019-10-14 21:51:52,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:52,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:52,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:52,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143053166] [2019-10-14 21:51:52,321 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442182991] [2019-10-14 21:51:52,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:52,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:52,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:52,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:51:52,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-10-14 21:51:52,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048193396] [2019-10-14 21:51:52,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:51:52,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:52,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:51:52,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:51:52,549 INFO L87 Difference]: Start difference. First operand 1249 states and 1708 transitions. Second operand 3 states. [2019-10-14 21:51:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:53,138 INFO L93 Difference]: Finished difference Result 3586 states and 5031 transitions. [2019-10-14 21:51:53,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:51:53,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-14 21:51:53,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:53,156 INFO L225 Difference]: With dead ends: 3586 [2019-10-14 21:51:53,156 INFO L226 Difference]: Without dead ends: 2343 [2019-10-14 21:51:53,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:51:53,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2019-10-14 21:51:53,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 1934. [2019-10-14 21:51:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2019-10-14 21:51:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2615 transitions. [2019-10-14 21:51:53,244 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2615 transitions. Word has length 144 [2019-10-14 21:51:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:53,245 INFO L462 AbstractCegarLoop]: Abstraction has 1934 states and 2615 transitions. [2019-10-14 21:51:53,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:51:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2615 transitions. [2019-10-14 21:51:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-14 21:51:53,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:53,252 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:53,456 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:53,457 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:53,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1505528148, now seen corresponding path program 1 times [2019-10-14 21:51:53,458 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:53,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171669730] [2019-10-14 21:51:53,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:53,459 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:53,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:53,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171669730] [2019-10-14 21:51:53,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:51:53,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:51:53,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033194438] [2019-10-14 21:51:53,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:51:53,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:53,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:51:53,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:51:53,671 INFO L87 Difference]: Start difference. First operand 1934 states and 2615 transitions. Second operand 9 states. [2019-10-14 21:51:54,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:51:54,956 INFO L93 Difference]: Finished difference Result 4996 states and 6945 transitions. [2019-10-14 21:51:54,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:51:54,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2019-10-14 21:51:54,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:51:54,978 INFO L225 Difference]: With dead ends: 4996 [2019-10-14 21:51:54,978 INFO L226 Difference]: Without dead ends: 3068 [2019-10-14 21:51:54,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:51:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2019-10-14 21:51:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2651. [2019-10-14 21:51:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2651 states. [2019-10-14 21:51:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3571 transitions. [2019-10-14 21:51:55,086 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3571 transitions. Word has length 153 [2019-10-14 21:51:55,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:51:55,087 INFO L462 AbstractCegarLoop]: Abstraction has 2651 states and 3571 transitions. [2019-10-14 21:51:55,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:51:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3571 transitions. [2019-10-14 21:51:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-14 21:51:55,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:51:55,098 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:51:55,098 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:51:55,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:51:55,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1683572581, now seen corresponding path program 1 times [2019-10-14 21:51:55,099 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:51:55,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804396013] [2019-10-14 21:51:55,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:55,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:51:55,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:51:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:51:55,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804396013] [2019-10-14 21:51:55,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102332065] [2019-10-14 21:51:55,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:51:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:51:55,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:51:55,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:51:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:51:55,545 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:51:55,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:51:55,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143402817] [2019-10-14 21:51:55,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:51:55,546 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:51:55,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:51:55,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:51:55,547 INFO L87 Difference]: Start difference. First operand 2651 states and 3571 transitions. Second operand 11 states. [2019-10-14 21:51:57,795 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-10-14 21:52:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:00,180 INFO L93 Difference]: Finished difference Result 6784 states and 9746 transitions. [2019-10-14 21:52:00,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-14 21:52:00,181 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2019-10-14 21:52:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:00,210 INFO L225 Difference]: With dead ends: 6784 [2019-10-14 21:52:00,210 INFO L226 Difference]: Without dead ends: 4139 [2019-10-14 21:52:00,221 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2019-10-14 21:52:00,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2019-10-14 21:52:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3501. [2019-10-14 21:52:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3501 states. [2019-10-14 21:52:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4325 transitions. [2019-10-14 21:52:00,374 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4325 transitions. Word has length 164 [2019-10-14 21:52:00,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:00,375 INFO L462 AbstractCegarLoop]: Abstraction has 3501 states and 4325 transitions. [2019-10-14 21:52:00,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:52:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4325 transitions. [2019-10-14 21:52:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-14 21:52:00,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:00,389 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-14 21:52:00,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:00,593 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:00,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:00,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1135614722, now seen corresponding path program 1 times [2019-10-14 21:52:00,594 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:00,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308480433] [2019-10-14 21:52:00,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:00,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:00,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 21:52:00,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308480433] [2019-10-14 21:52:00,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927567221] [2019-10-14 21:52:00,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:00,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-14 21:52:00,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-14 21:52:01,076 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:52:01,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-14 21:52:01,076 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754756892] [2019-10-14 21:52:01,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 21:52:01,077 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:01,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 21:52:01,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 21:52:01,079 INFO L87 Difference]: Start difference. First operand 3501 states and 4325 transitions. Second operand 10 states. [2019-10-14 21:52:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:03,525 INFO L93 Difference]: Finished difference Result 9070 states and 11523 transitions. [2019-10-14 21:52:03,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-14 21:52:03,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2019-10-14 21:52:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:03,526 INFO L225 Difference]: With dead ends: 9070 [2019-10-14 21:52:03,526 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:52:03,548 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2019-10-14 21:52:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:52:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:52:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:52:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:52:03,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2019-10-14 21:52:03,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:03,549 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:52:03,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 21:52:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:52:03,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:52:03,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:03,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:52:04,573 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 134 [2019-10-14 21:52:04,788 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 134 [2019-10-14 21:52:05,916 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 186 DAG size of output: 62 [2019-10-14 21:52:06,560 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2019-10-14 21:52:07,131 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2019-10-14 21:52:07,135 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:07,135 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-14 21:52:07,135 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-14 21:52:07,136 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-14 21:52:07,137 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,138 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-14 21:52:07,139 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,140 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-14 21:52:07,141 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,142 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-14 21:52:07,143 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-14 21:52:07,144 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-14 21:52:07,145 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,146 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-14 21:52:07,147 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-14 21:52:07,148 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 21:52:07,149 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,150 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-14 21:52:07,151 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= 15 |old(~a8~0)|))) (.cse3 (not (<= |old(~a16~0)| 5))) (.cse0 (not (<= |old(~a17~0)| 0))) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a8~0 |old(~a8~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a20~0 |old(~a20~0)|))) (let ((.cse8 (and .cse14 .cse15 (and .cse11 .cse12 .cse13) .cse16)) (.cse9 (and (or .cse0 .cse1) (or .cse3 (= 13 |old(~a8~0)|) .cse0))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse2 (not (<= |old(~a20~0)| 0))) (.cse10 (not (<= |old(~a8~0)| 13))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse4 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse5 (not (= 1 |old(~a17~0)|)))) (and (or (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2)) .cse4) (or .cse3 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse4 .cse3 .cse7 .cse5) (or (not (<= 5 |old(~a16~0)|)) .cse6 .cse8 .cse9) (or .cse6 .cse8 .cse7 .cse9) (or .cse4 (or .cse10 .cse3 .cse2)) (or .cse10 .cse6 .cse0 .cse4) (or .cse7 .cse4 .cse1 .cse2 .cse5) (or .cse10 .cse6 .cse4 .cse5)))) [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,152 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-14 21:52:07,153 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,154 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-14 21:52:07,155 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-14 21:52:07,156 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,157 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-14 21:52:07,158 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-14 21:52:07,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:07,159 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a20~0 1) (<= ~a7~0 0)) [2019-10-14 21:52:07,159 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:52:07,159 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:07,159 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a7~0)| 0)) (and (= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 1)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-14 21:52:07,159 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:07,160 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 5)) (.cse0 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0))) (let ((.cse5 (<= ~a7~0 0)) (.cse7 (or (and .cse3 .cse1) (and .cse0 .cse1))) (.cse4 (= ~a17~0 1)) (.cse2 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse8 (= ~a20~0 1))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse3 .cse2) (not (= 1 |old(~a20~0)|)) (and (and .cse7 .cse8) .cse5) (and (and .cse3 .cse8) .cse4 .cse5) (not (<= |old(~a7~0)| 0)) (and .cse7 (<= 5 ~a16~0) (= ~a20~0 |old(~a20~0)|)) (and .cse6 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse2) (and .cse6 .cse1 .cse8) (not (= 1 |old(~a17~0)|)) (not (<= |old(~a16~0)| 5))))) [2019-10-14 21:52:07,160 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-14 21:52:07,160 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 21:52:07,160 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 5)) (.cse0 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0))) (let ((.cse5 (<= ~a7~0 0)) (.cse7 (or (and .cse3 .cse1) (and .cse0 .cse1))) (.cse4 (= ~a17~0 1)) (.cse2 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse8 (= ~a20~0 1))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse3 .cse2) (not (= 1 |old(~a20~0)|)) (and (and .cse7 .cse8) .cse5) (and (and .cse3 .cse8) .cse4 .cse5) (not (<= |old(~a7~0)| 0)) (and .cse7 (<= 5 ~a16~0) (= ~a20~0 |old(~a20~0)|)) (and .cse6 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse2) (and .cse6 .cse1 .cse8) (not (= 1 |old(~a17~0)|)) (not (<= |old(~a16~0)| 5))))) [2019-10-14 21:52:07,160 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:07,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:52:07 BoogieIcfgContainer [2019-10-14 21:52:07,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:52:07,186 INFO L168 Benchmark]: Toolchain (without parser) took 23709.76 ms. Allocated memory was 138.4 MB in the beginning and 524.8 MB in the end (delta: 386.4 MB). Free memory was 100.3 MB in the beginning and 318.1 MB in the end (delta: -217.8 MB). Peak memory consumption was 402.6 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,187 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.82 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 169.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,188 INFO L168 Benchmark]: Boogie Preprocessor took 145.07 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 164.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,189 INFO L168 Benchmark]: RCFGBuilder took 1287.83 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 180.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,190 INFO L168 Benchmark]: TraceAbstraction took 21430.92 ms. Allocated memory was 234.9 MB in the beginning and 524.8 MB in the end (delta: 289.9 MB). Free memory was 179.0 MB in the beginning and 318.1 MB in the end (delta: -139.1 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:07,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.82 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 169.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.07 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 164.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1287.83 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 180.5 MB in the end (delta: -16.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21430.92 ms. Allocated memory was 234.9 MB in the beginning and 524.8 MB in the end (delta: 289.9 MB). Free memory was 179.0 MB in the beginning and 318.1 MB in the end (delta: -139.1 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(15 <= \old(a8)) || ((15 <= a8 && a17 <= 0) && a20 <= 0)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || (((15 <= a8 && a17 == 1) && a20 <= 0) && a7 <= 0)) || !(5 <= \old(a16))) || ((a8 <= 13 && a16 <= 5) && a20 <= 0)) || !(1 == \old(a20))) || ((((a16 <= 5 && a17 <= 0) || (15 <= a8 && a17 <= 0)) && a20 == 1) && a7 <= 0)) || (((a16 <= 5 && a20 == 1) && a17 == 1) && a7 <= 0)) || !(\old(a7) <= 0)) || ((((a16 <= 5 && a17 <= 0) || (15 <= a8 && a17 <= 0)) && 5 <= a16) && a20 == \old(a20))) || ((a8 <= 13 && a17 == 1) && a20 == 1)) || (((15 <= a8 && a16 <= 5) && a17 == 1) && a20 <= 0)) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || !(1 == \old(a17))) || !(\old(a16) <= 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 21.3s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 592 SDtfs, 3957 SDslu, 354 SDs, 0 SdLazy, 7162 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 794 GetRequests, 696 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3501occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1484 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 266 NumberOfFragments, 797 HoareAnnotationTreeSize, 144 FomulaSimplifications, 51910 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5680 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1681 ConstructedInterpolants, 0 QuantifiedInterpolants, 675264 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1789 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 308/387 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...