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/Problem02_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:54:55,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:54:55,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:54:55,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:54:55,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:54:55,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:54:55,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:54:55,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:54:55,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:54:55,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:54:55,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:54:55,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:54:55,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:54:55,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:54:55,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:54:55,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:54:55,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:54:55,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:54:55,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:54:55,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:54:55,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:54:55,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:54:55,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:54:55,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:54:55,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:54:55,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:54:55,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:54:55,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:54:55,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:54:55,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:54:55,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:54:55,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:54:55,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:54:55,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:54:55,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:54:55,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:54:55,958 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 [2019-10-13 17:54:55,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:54:55,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:54:55,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:54:55,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:54:55,974 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:54:55,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:54:55,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:54:55,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:54:55,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:54:55,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:54:55,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:54:55,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:54:55,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:54:55,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:54:55,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:54:55,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:54:55,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:54:55,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:54:55,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:54:55,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:54:55,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:54:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:55,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:54:55,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:54:55,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:54:55,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:54:55,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:54:55,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:54:55,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:54:56,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:54:56,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:54:56,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:54:56,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:54:56,305 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:54:56,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-10-13 17:54:56,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80778f5f8/af715c951c164a39ba20277a41505e3b/FLAGf81c68192 [2019-10-13 17:54:57,021 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:54:57,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-10-13 17:54:57,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80778f5f8/af715c951c164a39ba20277a41505e3b/FLAGf81c68192 [2019-10-13 17:54:57,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80778f5f8/af715c951c164a39ba20277a41505e3b [2019-10-13 17:54:57,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:54:57,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:54:57,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:57,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:54:57,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:54:57,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:57" (1/1) ... [2019-10-13 17:54:57,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372c657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:57, skipping insertion in model container [2019-10-13 17:54:57,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:57" (1/1) ... [2019-10-13 17:54:57,324 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:54:57,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:54:57,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:57,893 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:54:58,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:58,045 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:54:58,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58 WrapperNode [2019-10-13 17:54:58,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:58,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:54:58,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:54:58,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:54:58,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (1/1) ... [2019-10-13 17:54:58,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:54:58,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:54:58,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:54:58,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:54:58,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (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 [2019-10-13 17:54:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:54:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:54:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:54:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:54:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:54:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:54:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:54:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:54:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:54:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:54:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:54:59,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:54:59,372 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:54:59,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:59 BoogieIcfgContainer [2019-10-13 17:54:59,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:54:59,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:54:59,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:54:59,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:54:59,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:54:57" (1/3) ... [2019-10-13 17:54:59,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b65858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:59, skipping insertion in model container [2019-10-13 17:54:59,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:58" (2/3) ... [2019-10-13 17:54:59,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b65858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:59, skipping insertion in model container [2019-10-13 17:54:59,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:59" (3/3) ... [2019-10-13 17:54:59,385 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2019-10-13 17:54:59,394 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:54:59,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:54:59,415 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:54:59,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:54:59,447 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:54:59,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:54:59,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:54:59,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:54:59,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:54:59,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:54:59,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:54:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-13 17:54:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 17:54:59,489 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:59,491 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, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:59,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:59,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2010725689, now seen corresponding path program 1 times [2019-10-13 17:54:59,507 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:59,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822095127] [2019-10-13 17:54:59,508 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:59,508 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:59,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:00,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822095127] [2019-10-13 17:55:00,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:55:00,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:55:00,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855140699] [2019-10-13 17:55:00,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:55:00,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:55:00,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:55:00,202 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-13 17:55:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:02,308 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2019-10-13 17:55:02,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:55:02,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2019-10-13 17:55:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:02,329 INFO L225 Difference]: With dead ends: 813 [2019-10-13 17:55:02,329 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 17:55:02,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:55:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 17:55:02,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2019-10-13 17:55:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-13 17:55:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2019-10-13 17:55:02,425 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 131 [2019-10-13 17:55:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:02,426 INFO L462 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2019-10-13 17:55:02,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:55:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2019-10-13 17:55:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 17:55:02,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:02,433 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:02,434 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:02,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:02,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2056186306, now seen corresponding path program 1 times [2019-10-13 17:55:02,435 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:02,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183082505] [2019-10-13 17:55:02,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:02,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:02,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:02,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183082505] [2019-10-13 17:55:02,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500896061] [2019-10-13 17:55:02,831 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 [2019-10-13 17:55:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:02,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:55:02,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:03,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:55:03,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:55:03,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219635213] [2019-10-13 17:55:03,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:55:03,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:03,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:55:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:55:03,055 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 3 states. [2019-10-13 17:55:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:03,592 INFO L93 Difference]: Finished difference Result 1396 states and 2040 transitions. [2019-10-13 17:55:03,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:55:03,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-13 17:55:03,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:03,601 INFO L225 Difference]: With dead ends: 1396 [2019-10-13 17:55:03,601 INFO L226 Difference]: Without dead ends: 921 [2019-10-13 17:55:03,604 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:55:03,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-10-13 17:55:03,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919. [2019-10-13 17:55:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2019-10-13 17:55:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1288 transitions. [2019-10-13 17:55:03,655 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1288 transitions. Word has length 139 [2019-10-13 17:55:03,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:03,656 INFO L462 AbstractCegarLoop]: Abstraction has 919 states and 1288 transitions. [2019-10-13 17:55:03,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:55:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1288 transitions. [2019-10-13 17:55:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-13 17:55:03,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:03,664 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:03,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:03,869 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:03,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1041677834, now seen corresponding path program 1 times [2019-10-13 17:55:03,871 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:03,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029248327] [2019-10-13 17:55:03,872 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:03,872 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:03,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:04,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029248327] [2019-10-13 17:55:04,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68427941] [2019-10-13 17:55:04,304 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 [2019-10-13 17:55:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:04,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:55:04,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:04,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:55:04,544 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-13 17:55:04,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087053121] [2019-10-13 17:55:04,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:55:04,546 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:04,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:55:04,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:55:04,547 INFO L87 Difference]: Start difference. First operand 919 states and 1288 transitions. Second operand 3 states. [2019-10-13 17:55:05,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:05,131 INFO L93 Difference]: Finished difference Result 2724 states and 3911 transitions. [2019-10-13 17:55:05,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:55:05,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-13 17:55:05,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:05,143 INFO L225 Difference]: With dead ends: 2724 [2019-10-13 17:55:05,143 INFO L226 Difference]: Without dead ends: 1811 [2019-10-13 17:55:05,146 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:55:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-10-13 17:55:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1803. [2019-10-13 17:55:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2019-10-13 17:55:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2506 transitions. [2019-10-13 17:55:05,214 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2506 transitions. Word has length 145 [2019-10-13 17:55:05,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:05,214 INFO L462 AbstractCegarLoop]: Abstraction has 1803 states and 2506 transitions. [2019-10-13 17:55:05,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:55:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2506 transitions. [2019-10-13 17:55:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 17:55:05,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:05,221 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:05,426 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:05,426 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:05,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:05,427 INFO L82 PathProgramCache]: Analyzing trace with hash 103807559, now seen corresponding path program 1 times [2019-10-13 17:55:05,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:05,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095596815] [2019-10-13 17:55:05,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:05,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:05,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:55:05,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095596815] [2019-10-13 17:55:05,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122643189] [2019-10-13 17:55:05,601 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 [2019-10-13 17:55:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:05,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:55:05,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:05,753 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:55:05,754 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:55:05,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880599151] [2019-10-13 17:55:05,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:55:05,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:05,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:55:05,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:55:05,757 INFO L87 Difference]: Start difference. First operand 1803 states and 2506 transitions. Second operand 11 states. [2019-10-13 17:55:07,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:07,344 INFO L93 Difference]: Finished difference Result 4069 states and 5886 transitions. [2019-10-13 17:55:07,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:55:07,344 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2019-10-13 17:55:07,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:07,363 INFO L225 Difference]: With dead ends: 4069 [2019-10-13 17:55:07,363 INFO L226 Difference]: Without dead ends: 2272 [2019-10-13 17:55:07,369 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:55:07,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-13 17:55:07,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1653. [2019-10-13 17:55:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2019-10-13 17:55:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2263 transitions. [2019-10-13 17:55:07,464 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2263 transitions. Word has length 149 [2019-10-13 17:55:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:07,464 INFO L462 AbstractCegarLoop]: Abstraction has 1653 states and 2263 transitions. [2019-10-13 17:55:07,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:55:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2263 transitions. [2019-10-13 17:55:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 17:55:07,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:07,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:07,675 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:07,676 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1935651415, now seen corresponding path program 1 times [2019-10-13 17:55:07,677 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:07,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304709855] [2019-10-13 17:55:07,678 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:07,679 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:07,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:07,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304709855] [2019-10-13 17:55:07,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325401959] [2019-10-13 17:55:07,973 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 [2019-10-13 17:55:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:08,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:55:08,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:08,164 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:55:08,165 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:55:08,165 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815076775] [2019-10-13 17:55:08,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:55:08,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:08,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:55:08,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:55:08,168 INFO L87 Difference]: Start difference. First operand 1653 states and 2263 transitions. Second operand 3 states. [2019-10-13 17:55:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:08,784 INFO L93 Difference]: Finished difference Result 3135 states and 4316 transitions. [2019-10-13 17:55:08,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:55:08,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-13 17:55:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:08,797 INFO L225 Difference]: With dead ends: 3135 [2019-10-13 17:55:08,797 INFO L226 Difference]: Without dead ends: 1647 [2019-10-13 17:55:08,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:55:08,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2019-10-13 17:55:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1647. [2019-10-13 17:55:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2019-10-13 17:55:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2160 transitions. [2019-10-13 17:55:08,843 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2160 transitions. Word has length 157 [2019-10-13 17:55:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:08,844 INFO L462 AbstractCegarLoop]: Abstraction has 1647 states and 2160 transitions. [2019-10-13 17:55:08,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:55:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2160 transitions. [2019-10-13 17:55:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-13 17:55:08,849 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:08,849 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:09,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:09,062 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:09,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:09,064 INFO L82 PathProgramCache]: Analyzing trace with hash 512149106, now seen corresponding path program 1 times [2019-10-13 17:55:09,064 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:09,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751776521] [2019-10-13 17:55:09,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:09,065 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:09,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:55:09,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751776521] [2019-10-13 17:55:09,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126420485] [2019-10-13 17:55:09,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:09,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:55:09,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:09,450 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:55:09,450 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:55:09,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432941817] [2019-10-13 17:55:09,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:55:09,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:09,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:55:09,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:55:09,453 INFO L87 Difference]: Start difference. First operand 1647 states and 2160 transitions. Second operand 11 states. [2019-10-13 17:55:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:12,910 INFO L93 Difference]: Finished difference Result 4819 states and 7150 transitions. [2019-10-13 17:55:12,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-13 17:55:12,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2019-10-13 17:55:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:12,932 INFO L225 Difference]: With dead ends: 4819 [2019-10-13 17:55:12,932 INFO L226 Difference]: Without dead ends: 3178 [2019-10-13 17:55:12,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-10-13 17:55:12,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2019-10-13 17:55:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2950. [2019-10-13 17:55:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2950 states. [2019-10-13 17:55:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 3845 transitions. [2019-10-13 17:55:13,073 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 3845 transitions. Word has length 167 [2019-10-13 17:55:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:13,073 INFO L462 AbstractCegarLoop]: Abstraction has 2950 states and 3845 transitions. [2019-10-13 17:55:13,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:55:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3845 transitions. [2019-10-13 17:55:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 17:55:13,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:13,089 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:13,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:13,293 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:13,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash -497666460, now seen corresponding path program 1 times [2019-10-13 17:55:13,294 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:13,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935592561] [2019-10-13 17:55:13,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:13,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:13,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:55:13,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935592561] [2019-10-13 17:55:13,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706834137] [2019-10-13 17:55:13,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:13,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:55:13,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:13,637 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:55:13,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:55:13,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399511948] [2019-10-13 17:55:13,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:55:13,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:13,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:55:13,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:55:13,639 INFO L87 Difference]: Start difference. First operand 2950 states and 3845 transitions. Second operand 9 states. [2019-10-13 17:55:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:15,672 INFO L93 Difference]: Finished difference Result 7326 states and 10106 transitions. [2019-10-13 17:55:15,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 17:55:15,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2019-10-13 17:55:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:15,703 INFO L225 Difference]: With dead ends: 7326 [2019-10-13 17:55:15,703 INFO L226 Difference]: Without dead ends: 4382 [2019-10-13 17:55:15,718 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:55:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2019-10-13 17:55:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 3914. [2019-10-13 17:55:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3914 states. [2019-10-13 17:55:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 4839 transitions. [2019-10-13 17:55:15,850 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 4839 transitions. Word has length 172 [2019-10-13 17:55:15,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:15,850 INFO L462 AbstractCegarLoop]: Abstraction has 3914 states and 4839 transitions. [2019-10-13 17:55:15,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:55:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 4839 transitions. [2019-10-13 17:55:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-13 17:55:15,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:15,868 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:55:16,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:16,105 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:16,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:16,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1356768321, now seen corresponding path program 1 times [2019-10-13 17:55:16,106 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:16,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345461283] [2019-10-13 17:55:16,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:16,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:16,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:55:16,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345461283] [2019-10-13 17:55:16,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401255741] [2019-10-13 17:55:16,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:16,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:55:16,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:55:16,459 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:55:16,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2019-10-13 17:55:16,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867521097] [2019-10-13 17:55:16,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:55:16,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:16,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:55:16,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:55:16,461 INFO L87 Difference]: Start difference. First operand 3914 states and 4839 transitions. Second operand 8 states. [2019-10-13 17:55:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:17,709 INFO L93 Difference]: Finished difference Result 8956 states and 11616 transitions. [2019-10-13 17:55:17,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:55:17,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2019-10-13 17:55:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:17,712 INFO L225 Difference]: With dead ends: 8956 [2019-10-13 17:55:17,712 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:55:17,740 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:55:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:55:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:55:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:55:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:55:17,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2019-10-13 17:55:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:17,742 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:55:17,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:55:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:55:17,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:55:17,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:17,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:55:19,328 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 270 [2019-10-13 17:55:20,058 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 270 [2019-10-13 17:55:20,769 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 50 [2019-10-13 17:55:22,232 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2019-10-13 17:55:23,516 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2019-10-13 17:55:23,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:55:23,519 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:55:23,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:55:23,519 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,519 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 17:55:23,520 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 17:55:23,521 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-13 17:55:23,522 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 17:55:23,523 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,524 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 17:55:23,525 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,526 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 17:55:23,527 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,528 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 17:55:23,529 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,530 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:55:23,531 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 17:55:23,532 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,533 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 17:55:23,534 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,535 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 17:55:23,536 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,537 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|))) (let ((.cse1 (and .cse9 .cse10 .cse7 .cse8 .cse11)) (.cse2 (not (<= |old(~a17~0)| 8))) (.cse0 (not (= 1 |old(~a25~0)|))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse3 (and .cse9 (= ~a17~0 8) .cse7 .cse8 .cse11)) (.cse4 (not (<= |old(~a25~0)| 0))) (.cse5 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1 (or (not (<= 9 |old(~a28~0)|)) .cse2)) (or .cse1 (not (<= |old(~a17~0)| 7))) (or (not (<= |old(~a28~0)| 9)) .cse3 (or .cse4 .cse5)) (or .cse2 .cse0 .cse6 (and .cse7 .cse8 (and .cse9 .cse10) .cse11)) (or (= 1 |old(~a11~0)|) .cse6 .cse3 .cse4 .cse5)))) [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 17:55:23,538 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,539 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 17:55:23,540 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 17:55:23,541 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 17:55:23,542 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:55:23,543 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:55:23,544 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (= ~a19~0 1) (<= ~a11~0 0) (<= ~a25~0 0) (<= ~a28~0 9)) [2019-10-13 17:55:23,545 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:55:23,545 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:55:23,545 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) [2019-10-13 17:55:23,545 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (not (<= |old(~a11~0)| 0)) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (and (not (= ~a28~0 11)) (and (<= 9 ~a28~0) .cse0)) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (and .cse0 .cse1) (= ~a19~0 1)) (and (and (not (= 1 ~a11~0)) .cse2 .cse3) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a28~0)| 9)) (and (and .cse2 .cse3) (<= ~a28~0 9)))) [2019-10-13 17:55:23,545 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:55:23,545 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:55:23,546 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse2 (= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (not (<= |old(~a11~0)| 0)) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (and (not (= ~a28~0 11)) (and (<= 9 ~a28~0) .cse0)) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (and .cse0 .cse1) (= ~a19~0 1)) (and (and (not (= 1 ~a11~0)) .cse2 .cse3) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a28~0)| 9)) (and (and .cse2 .cse3) (<= ~a28~0 9)))) [2019-10-13 17:55:23,546 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 17:55:23,546 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 17:55:23,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:55:23 BoogieIcfgContainer [2019-10-13 17:55:23,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:55:23,566 INFO L168 Benchmark]: Toolchain (without parser) took 26259.89 ms. Allocated memory was 145.8 MB in the beginning and 566.8 MB in the end (delta: 421.0 MB). Free memory was 101.8 MB in the beginning and 391.4 MB in the end (delta: -289.6 MB). Peak memory consumption was 408.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,567 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.10 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 162.8 MB in the end (delta: -61.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,569 INFO L168 Benchmark]: Boogie Preprocessor took 128.56 ms. Allocated memory is still 202.4 MB. Free memory was 162.8 MB in the beginning and 157.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,570 INFO L168 Benchmark]: RCFGBuilder took 1200.31 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 157.7 MB in the beginning and 171.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,570 INFO L168 Benchmark]: TraceAbstraction took 24187.14 ms. Allocated memory was 236.5 MB in the beginning and 566.8 MB in the end (delta: 330.3 MB). Free memory was 171.9 MB in the beginning and 391.4 MB in the end (delta: -219.5 MB). Peak memory consumption was 388.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:23,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.10 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 162.8 MB in the end (delta: -61.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.56 ms. Allocated memory is still 202.4 MB. Free memory was 162.8 MB in the beginning and 157.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.31 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 157.7 MB in the beginning and 171.9 MB in the end (delta: -14.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24187.14 ms. Allocated memory was 236.5 MB in the beginning and 566.8 MB in the end (delta: 330.3 MB). Free memory was 171.9 MB in the beginning and 391.4 MB in the end (delta: -219.5 MB). Peak memory consumption was 388.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a11) <= 0) || a17 <= 7) || !(\old(a25) <= 0)) || ((!(a28 == 11) && 9 <= a28 && a17 <= 8) && a25 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 8 && a25 == 1) && a19 == 1)) || (((!(1 == a11) && a17 == 8) && a25 <= 0) && a19 == \old(a19))) || !(\old(a28) <= 9)) || ((a17 == 8 && a25 <= 0) && a28 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 24.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, HoareTripleCheckerStatistics: 807 SDtfs, 4041 SDslu, 415 SDs, 0 SdLazy, 7365 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1252 GetRequests, 1173 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3914occurred in iteration=7, 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, 8 MinimizatonAttempts, 1332 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 214 PreInvPairs, 390 NumberOfFragments, 404 HoareAnnotationTreeSize, 214 FomulaSimplifications, 47042 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19344 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1487840 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2753 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 415/434 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...