java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:52:41,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:52:41,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:52:41,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:52:41,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:52:41,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:52:41,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:52:41,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:52:41,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:52:41,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:52:41,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:52:41,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:52:41,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:52:41,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:52:41,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:52:41,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:52:41,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:52:41,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:52:41,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:52:41,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:52:41,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:52:41,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:52:41,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:52:41,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:52:41,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:52:41,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:52:41,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:52:41,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:52:41,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:52:41,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:52:41,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:52:41,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:52:41,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:52:41,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:52:41,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:52:41,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:52:41,912 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 17:52:41,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:52:41,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:52:41,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:52:41,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:52:41,928 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:52:41,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:52:41,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:52:41,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:52:41,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:52:41,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:52:41,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:52:41,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:52:41,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:52:41,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:52:41,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:52:41,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:52:41,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:52:41,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:52:41,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:52:41,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:52:41,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:52:41,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:52:41,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:52:41,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:52:41,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:52:41,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:52:41,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:52:41,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:52:41,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:52:42,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:52:42,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:52:42,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:52:42,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:52:42,253 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:52:42,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-13 17:52:42,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e55557af/1299a9fe480f417aab69663d281bd20f/FLAG734c02736 [2019-10-13 17:52:42,941 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:52:42,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2019-10-13 17:52:42,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e55557af/1299a9fe480f417aab69663d281bd20f/FLAG734c02736 [2019-10-13 17:52:43,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e55557af/1299a9fe480f417aab69663d281bd20f [2019-10-13 17:52:43,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:52:43,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:52:43,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:43,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:52:43,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:52:43,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6836b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43, skipping insertion in model container [2019-10-13 17:52:43,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:52:43,284 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:52:43,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:43,777 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:52:43,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:43,898 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:52:43,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43 WrapperNode [2019-10-13 17:52:43,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:43,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:52:43,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:52:43,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:52:43,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:43,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:44,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:44,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ... [2019-10-13 17:52:44,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:52:44,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:52:44,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:52:44,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:52:44,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (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 17:52:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:52:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:52:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:52:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:52:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:52:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:52:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:52:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:52:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:52:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:52:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:52:45,435 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:52:45,435 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:52:45,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:45 BoogieIcfgContainer [2019-10-13 17:52:45,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:52:45,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:52:45,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:52:45,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:52:45,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:52:43" (1/3) ... [2019-10-13 17:52:45,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed6d654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:45, skipping insertion in model container [2019-10-13 17:52:45,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (2/3) ... [2019-10-13 17:52:45,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed6d654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:45, skipping insertion in model container [2019-10-13 17:52:45,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:45" (3/3) ... [2019-10-13 17:52:45,458 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2019-10-13 17:52:45,469 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:52:45,479 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:52:45,491 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:52:45,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:52:45,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:52:45,532 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:52:45,532 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:52:45,532 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:52:45,533 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:52:45,533 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:52:45,533 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:52:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-13 17:52:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 17:52:45,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:45,581 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:45,582 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:45,589 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2019-10-13 17:52:45,598 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:45,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454618865] [2019-10-13 17:52:45,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:45,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:45,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:46,213 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 17:52:46,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454618865] [2019-10-13 17:52:46,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:46,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:52:46,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295889101] [2019-10-13 17:52:46,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:52:46,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:46,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:52:46,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:52:46,245 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-13 17:52:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:47,904 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-13 17:52:47,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:52:47,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2019-10-13 17:52:47,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:47,924 INFO L225 Difference]: With dead ends: 557 [2019-10-13 17:52:47,925 INFO L226 Difference]: Without dead ends: 286 [2019-10-13 17:52:47,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:52:47,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-13 17:52:48,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-13 17:52:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 17:52:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2019-10-13 17:52:48,022 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 125 [2019-10-13 17:52:48,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:48,023 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2019-10-13 17:52:48,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:52:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2019-10-13 17:52:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 17:52:48,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:48,029 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:48,030 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:48,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2019-10-13 17:52:48,031 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:48,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813500630] [2019-10-13 17:52:48,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:48,031 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:48,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:48,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813500630] [2019-10-13 17:52:48,280 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:48,280 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 17:52:48,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52353363] [2019-10-13 17:52:48,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:52:48,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:48,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:52:48,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:52:48,283 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2019-10-13 17:52:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:50,299 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2019-10-13 17:52:50,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 17:52:50,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 134 [2019-10-13 17:52:50,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:50,309 INFO L225 Difference]: With dead ends: 987 [2019-10-13 17:52:50,309 INFO L226 Difference]: Without dead ends: 713 [2019-10-13 17:52:50,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:52:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-10-13 17:52:50,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2019-10-13 17:52:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-13 17:52:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 979 transitions. [2019-10-13 17:52:50,372 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 979 transitions. Word has length 134 [2019-10-13 17:52:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:50,373 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 979 transitions. [2019-10-13 17:52:50,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:52:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 979 transitions. [2019-10-13 17:52:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-13 17:52:50,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:50,379 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:50,379 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:50,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2019-10-13 17:52:50,380 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:50,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684261190] [2019-10-13 17:52:50,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:50,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:50,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:52:50,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684261190] [2019-10-13 17:52:50,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930804982] [2019-10-13 17:52:50,610 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 17:52:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:50,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:52:50,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 17:52:50,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:52:50,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-13 17:52:50,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320134155] [2019-10-13 17:52:50,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:52:50,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:50,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:52:50,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:50,860 INFO L87 Difference]: Start difference. First operand 699 states and 979 transitions. Second operand 3 states. [2019-10-13 17:52:51,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:51,446 INFO L93 Difference]: Finished difference Result 1942 states and 2759 transitions. [2019-10-13 17:52:51,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:52:51,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-13 17:52:51,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:51,456 INFO L225 Difference]: With dead ends: 1942 [2019-10-13 17:52:51,456 INFO L226 Difference]: Without dead ends: 1249 [2019-10-13 17:52:51,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2019-10-13 17:52:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2019-10-13 17:52:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2019-10-13 17:52:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1708 transitions. [2019-10-13 17:52:51,537 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1708 transitions. Word has length 145 [2019-10-13 17:52:51,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:51,540 INFO L462 AbstractCegarLoop]: Abstraction has 1249 states and 1708 transitions. [2019-10-13 17:52:51,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:52:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1708 transitions. [2019-10-13 17:52:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 17:52:51,552 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:51,553 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:51,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:51,757 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:51,758 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2019-10-13 17:52:51,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:51,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360861276] [2019-10-13 17:52:51,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:51,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:51,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:52,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360861276] [2019-10-13 17:52:52,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248958738] [2019-10-13 17:52:52,072 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 17:52:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:52,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:52:52,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:52,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:52:52,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-10-13 17:52:52,251 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245727101] [2019-10-13 17:52:52,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:52:52,252 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:52,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:52:52,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:52:52,253 INFO L87 Difference]: Start difference. First operand 1249 states and 1708 transitions. Second operand 3 states. [2019-10-13 17:52:52,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:52,814 INFO L93 Difference]: Finished difference Result 3586 states and 5031 transitions. [2019-10-13 17:52:52,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:52:52,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-13 17:52:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:52,831 INFO L225 Difference]: With dead ends: 3586 [2019-10-13 17:52:52,832 INFO L226 Difference]: Without dead ends: 2343 [2019-10-13 17:52:52,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:52:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2019-10-13 17:52:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 1934. [2019-10-13 17:52:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2019-10-13 17:52:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2615 transitions. [2019-10-13 17:52:52,909 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2615 transitions. Word has length 144 [2019-10-13 17:52:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:52,910 INFO L462 AbstractCegarLoop]: Abstraction has 1934 states and 2615 transitions. [2019-10-13 17:52:52,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:52:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2615 transitions. [2019-10-13 17:52:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-13 17:52:52,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:52,917 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:53,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:53,121 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:53,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:53,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1505528148, now seen corresponding path program 1 times [2019-10-13 17:52:53,122 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:53,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447186171] [2019-10-13 17:52:53,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:53,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:53,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:53,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447186171] [2019-10-13 17:52:53,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:53,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:52:53,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783009458] [2019-10-13 17:52:53,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:53,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:53,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:53,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:53,329 INFO L87 Difference]: Start difference. First operand 1934 states and 2615 transitions. Second operand 9 states. [2019-10-13 17:52:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:54,535 INFO L93 Difference]: Finished difference Result 4996 states and 6945 transitions. [2019-10-13 17:52:54,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:52:54,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2019-10-13 17:52:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:54,558 INFO L225 Difference]: With dead ends: 4996 [2019-10-13 17:52:54,558 INFO L226 Difference]: Without dead ends: 3068 [2019-10-13 17:52:54,564 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:52:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2019-10-13 17:52:54,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2651. [2019-10-13 17:52:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2651 states. [2019-10-13 17:52:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3571 transitions. [2019-10-13 17:52:54,719 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3571 transitions. Word has length 153 [2019-10-13 17:52:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:54,721 INFO L462 AbstractCegarLoop]: Abstraction has 2651 states and 3571 transitions. [2019-10-13 17:52:54,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3571 transitions. [2019-10-13 17:52:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 17:52:54,731 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:54,731 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:54,732 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:54,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:54,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1683572581, now seen corresponding path program 1 times [2019-10-13 17:52:54,733 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:54,737 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224127028] [2019-10-13 17:52:54,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:54,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:54,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:52:54,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224127028] [2019-10-13 17:52:54,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019457810] [2019-10-13 17:52:54,977 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 17:52:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:55,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:52:55,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:55,181 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:55,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:52:55,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346416515] [2019-10-13 17:52:55,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:52:55,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:55,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:52:55,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:52:55,184 INFO L87 Difference]: Start difference. First operand 2651 states and 3571 transitions. Second operand 11 states. [2019-10-13 17:52:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:59,645 INFO L93 Difference]: Finished difference Result 6784 states and 9746 transitions. [2019-10-13 17:52:59,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-13 17:52:59,646 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 164 [2019-10-13 17:52:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:59,672 INFO L225 Difference]: With dead ends: 6784 [2019-10-13 17:52:59,672 INFO L226 Difference]: Without dead ends: 4139 [2019-10-13 17:52:59,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2019-10-13 17:52:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2019-10-13 17:52:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3501. [2019-10-13 17:52:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3501 states. [2019-10-13 17:52:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4325 transitions. [2019-10-13 17:52:59,859 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4325 transitions. Word has length 164 [2019-10-13 17:52:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:59,859 INFO L462 AbstractCegarLoop]: Abstraction has 3501 states and 4325 transitions. [2019-10-13 17:52:59,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:52:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4325 transitions. [2019-10-13 17:52:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-13 17:52:59,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:59,876 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:53:00,080 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:00,081 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:00,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1135614722, now seen corresponding path program 1 times [2019-10-13 17:53:00,082 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:00,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584841604] [2019-10-13 17:53:00,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:00,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:00,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 17:53:00,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584841604] [2019-10-13 17:53:00,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548864286] [2019-10-13 17:53:00,318 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 17:53:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:00,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-13 17:53:00,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-13 17:53:00,625 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:53:00,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-13 17:53:00,627 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266782065] [2019-10-13 17:53:00,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 17:53:00,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 17:53:00,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:53:00,631 INFO L87 Difference]: Start difference. First operand 3501 states and 4325 transitions. Second operand 10 states. [2019-10-13 17:53:03,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:03,270 INFO L93 Difference]: Finished difference Result 9070 states and 11523 transitions. [2019-10-13 17:53:03,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 17:53:03,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2019-10-13 17:53:03,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:03,272 INFO L225 Difference]: With dead ends: 9070 [2019-10-13 17:53:03,272 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:53:03,293 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2019-10-13 17:53:03,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:53:03,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:53:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:53:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:53:03,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2019-10-13 17:53:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:03,294 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:53:03,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 17:53:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:53:03,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:53:03,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:03,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:53:04,284 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 134 [2019-10-13 17:53:04,451 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 134 [2019-10-13 17:53:05,710 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 62 [2019-10-13 17:53:06,300 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2019-10-13 17:53:06,901 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2019-10-13 17:53:06,904 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:06,904 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,905 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 17:53:06,906 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,907 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 17:53:06,908 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 17:53:06,909 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 17:53:06,910 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 17:53:06,911 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-13 17:53:06,912 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 17:53:06,913 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 17:53:06,914 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,915 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 17:53:06,916 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 17:53:06,917 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 17:53:06,918 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,919 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 17:53:06,920 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= 15 |old(~a8~0)|))) (.cse3 (not (<= |old(~a16~0)| 5))) (.cse0 (not (<= |old(~a17~0)| 0))) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a8~0 |old(~a8~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a20~0 |old(~a20~0)|))) (let ((.cse8 (and .cse14 .cse15 (and .cse11 .cse12 .cse13) .cse16)) (.cse9 (and (or .cse0 .cse1) (or .cse3 (= 13 |old(~a8~0)|) .cse0))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse2 (not (<= |old(~a20~0)| 0))) (.cse10 (not (<= |old(~a8~0)| 13))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse4 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse5 (not (= 1 |old(~a17~0)|)))) (and (or (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2)) .cse4) (or .cse3 .cse1 .cse4 .cse2 .cse5) (or .cse6 .cse4 .cse3 .cse7 .cse5) (or (not (<= 5 |old(~a16~0)|)) .cse6 .cse8 .cse9) (or .cse6 .cse8 .cse7 .cse9) (or .cse4 (or .cse10 .cse3 .cse2)) (or .cse10 .cse6 .cse0 .cse4) (or .cse7 .cse4 .cse1 .cse2 .cse5) (or .cse10 .cse6 .cse4 .cse5)))) [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 17:53:06,921 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 17:53:06,922 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 17:53:06,923 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,924 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 17:53:06,925 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,926 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 17:53:06,927 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:06,928 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a20~0 1) (<= ~a7~0 0)) [2019-10-13 17:53:06,929 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:53:06,929 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:06,929 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a7~0)| 0)) (and (= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 1)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-13 17:53:06,929 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:06,929 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 5)) (.cse0 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0))) (let ((.cse5 (<= ~a7~0 0)) (.cse7 (or (and .cse3 .cse1) (and .cse0 .cse1))) (.cse4 (= ~a17~0 1)) (.cse2 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse8 (= ~a20~0 1))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse3 .cse2) (not (= 1 |old(~a20~0)|)) (and (and .cse7 .cse8) .cse5) (and (and .cse3 .cse8) .cse4 .cse5) (not (<= |old(~a7~0)| 0)) (and .cse7 (<= 5 ~a16~0) (= ~a20~0 |old(~a20~0)|)) (and .cse6 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse2) (and .cse6 .cse1 .cse8) (not (= 1 |old(~a17~0)|)) (not (<= |old(~a16~0)| 5))))) [2019-10-13 17:53:06,929 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 17:53:06,930 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 17:53:06,930 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 5)) (.cse0 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0))) (let ((.cse5 (<= ~a7~0 0)) (.cse7 (or (and .cse3 .cse1) (and .cse0 .cse1))) (.cse4 (= ~a17~0 1)) (.cse2 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse8 (= ~a20~0 1))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse3 .cse2) (not (= 1 |old(~a20~0)|)) (and (and .cse7 .cse8) .cse5) (and (and .cse3 .cse8) .cse4 .cse5) (not (<= |old(~a7~0)| 0)) (and .cse7 (<= 5 ~a16~0) (= ~a20~0 |old(~a20~0)|)) (and .cse6 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse2) (and .cse6 .cse1 .cse8) (not (= 1 |old(~a17~0)|)) (not (<= |old(~a16~0)| 5))))) [2019-10-13 17:53:06,930 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:06,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:53:06 BoogieIcfgContainer [2019-10-13 17:53:06,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:53:06,953 INFO L168 Benchmark]: Toolchain (without parser) took 23743.84 ms. Allocated memory was 138.4 MB in the beginning and 534.2 MB in the end (delta: 395.8 MB). Free memory was 100.9 MB in the beginning and 256.6 MB in the end (delta: -155.7 MB). Peak memory consumption was 411.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,954 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.29 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 162.6 MB in the end (delta: -61.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,956 INFO L168 Benchmark]: Boogie Preprocessor took 133.55 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 157.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,957 INFO L168 Benchmark]: RCFGBuilder took 1403.27 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 157.2 MB in the beginning and 172.7 MB in the end (delta: -15.6 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,958 INFO L168 Benchmark]: TraceAbstraction took 21512.24 ms. Allocated memory was 236.5 MB in the beginning and 534.2 MB in the end (delta: 297.8 MB). Free memory was 171.3 MB in the beginning and 256.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 384.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:06,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.29 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 162.6 MB in the end (delta: -61.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.55 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 157.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1403.27 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 157.2 MB in the beginning and 172.7 MB in the end (delta: -15.6 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21512.24 ms. Allocated memory was 236.5 MB in the beginning and 534.2 MB in the end (delta: 297.8 MB). Free memory was 171.3 MB in the beginning and 256.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 384.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(15 <= \old(a8)) || ((15 <= a8 && a17 <= 0) && a20 <= 0)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || (((15 <= a8 && a17 == 1) && a20 <= 0) && a7 <= 0)) || !(5 <= \old(a16))) || ((a8 <= 13 && a16 <= 5) && a20 <= 0)) || !(1 == \old(a20))) || ((((a16 <= 5 && a17 <= 0) || (15 <= a8 && a17 <= 0)) && a20 == 1) && a7 <= 0)) || (((a16 <= 5 && a20 == 1) && a17 == 1) && a7 <= 0)) || !(\old(a7) <= 0)) || ((((a16 <= 5 && a17 <= 0) || (15 <= a8 && a17 <= 0)) && 5 <= a16) && a20 == \old(a20))) || ((a8 <= 13 && a17 == 1) && a20 == 1)) || (((15 <= a8 && a16 <= 5) && a17 == 1) && a20 <= 0)) || ((a8 <= 13 && a17 <= 0) && a20 == 1)) || !(1 == \old(a17))) || !(\old(a16) <= 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 21.4s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 592 SDtfs, 3957 SDslu, 354 SDs, 0 SdLazy, 7162 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 794 GetRequests, 696 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3501occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1484 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 266 NumberOfFragments, 797 HoareAnnotationTreeSize, 144 FomulaSimplifications, 51910 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5680 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1681 ConstructedInterpolants, 0 QuantifiedInterpolants, 675264 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1789 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 308/387 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...