java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:53:20,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:53:20,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:53:20,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:53:20,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:53:20,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:53:20,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:53:20,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:53:20,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:53:20,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:53:20,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:53:20,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:53:20,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:53:20,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:53:20,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:53:20,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:53:20,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:53:20,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:53:20,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:53:20,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:53:20,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:53:20,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:53:20,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:53:20,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:53:20,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 21:53:20,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 21:53:20,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 21:53:20,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 21:53:20,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 21:53:20,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 21:53:20,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:53:20,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:53:20,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:53:20,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:53:20,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:53:20,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:53:20,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:53:20,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:53:20,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:53:20,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:53:20,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:53:20,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 21:53:20,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:53:20,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:53:20,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:53:20,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:53:20,612 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:53:20,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:53:20,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:53:20,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:53:20,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:53:20,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:53:20,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:53:20,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:53:20,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:53:20,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:53:20,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:53:20,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:53:20,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:53:20,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:53:20,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:53:20,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:53:20,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:53:20,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:53:20,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:53:20,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:53:20,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:53:20,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:53:20,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:53:20,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:53:20,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:53:20,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:53:20,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:53:20,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:53:20,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:53:20,950 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:53:20,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-14 21:53:21,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208def8de/fe3f6ba2080743c49be40b549499aacc/FLAGfdc9c9358 [2019-10-14 21:53:21,543 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:53:21,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-10-14 21:53:21,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208def8de/fe3f6ba2080743c49be40b549499aacc/FLAGfdc9c9358 [2019-10-14 21:53:21,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208def8de/fe3f6ba2080743c49be40b549499aacc [2019-10-14 21:53:21,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:53:21,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:53:21,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:53:21,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:53:21,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:53:21,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:21" (1/1) ... [2019-10-14 21:53:21,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b193a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:21, skipping insertion in model container [2019-10-14 21:53:21,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:21" (1/1) ... [2019-10-14 21:53:21,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:53:21,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:53:22,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:53:22,487 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:53:22,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:53:22,602 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:53:22,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22 WrapperNode [2019-10-14 21:53:22,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:53:22,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:53:22,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:53:22,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:53:22,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... [2019-10-14 21:53:22,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:53:22,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:53:22,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:53:22,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:53:22,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:53:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:53:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:53:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:53:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:53:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:53:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:53:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:53:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:53:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:53:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:53:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:53:24,165 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:53:24,166 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:53:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:24 BoogieIcfgContainer [2019-10-14 21:53:24,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:53:24,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:53:24,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:53:24,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:53:24,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:53:21" (1/3) ... [2019-10-14 21:53:24,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151067cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:24, skipping insertion in model container [2019-10-14 21:53:24,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:22" (2/3) ... [2019-10-14 21:53:24,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151067cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:24, skipping insertion in model container [2019-10-14 21:53:24,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:24" (3/3) ... [2019-10-14 21:53:24,178 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-10-14 21:53:24,189 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:53:24,199 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:53:24,211 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:53:24,248 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:53:24,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:53:24,250 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:53:24,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:53:24,251 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:53:24,251 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:53:24,251 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:53:24,251 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:53:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-14 21:53:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 21:53:24,312 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:24,313 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:24,315 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:24,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2019-10-14 21:53:24,326 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:24,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046409585] [2019-10-14 21:53:24,327 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:24,328 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:24,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:25,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046409585] [2019-10-14 21:53:25,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:53:25,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:53:25,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309485117] [2019-10-14 21:53:25,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:53:25,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:25,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:53:25,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:53:25,061 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-14 21:53:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:26,767 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2019-10-14 21:53:26,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:53:26,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2019-10-14 21:53:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:26,800 INFO L225 Difference]: With dead ends: 627 [2019-10-14 21:53:26,800 INFO L226 Difference]: Without dead ends: 327 [2019-10-14 21:53:26,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-14 21:53:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-14 21:53:26,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2019-10-14 21:53:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-14 21:53:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2019-10-14 21:53:26,905 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 142 [2019-10-14 21:53:26,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:26,908 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2019-10-14 21:53:26,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:53:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2019-10-14 21:53:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 21:53:26,918 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:26,918 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:26,918 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:26,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:26,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2019-10-14 21:53:26,919 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:26,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284676202] [2019-10-14 21:53:26,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:26,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:26,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:27,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284676202] [2019-10-14 21:53:27,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:53:27,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 21:53:27,192 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281694771] [2019-10-14 21:53:27,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 21:53:27,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:27,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 21:53:27,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:53:27,196 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2019-10-14 21:53:28,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:28,898 INFO L93 Difference]: Finished difference Result 972 states and 1528 transitions. [2019-10-14 21:53:28,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:53:28,904 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2019-10-14 21:53:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:28,910 INFO L225 Difference]: With dead ends: 972 [2019-10-14 21:53:28,910 INFO L226 Difference]: Without dead ends: 659 [2019-10-14 21:53:28,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:53:28,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-10-14 21:53:28,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 625. [2019-10-14 21:53:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-14 21:53:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2019-10-14 21:53:28,967 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 157 [2019-10-14 21:53:28,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:28,968 INFO L462 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2019-10-14 21:53:28,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 21:53:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2019-10-14 21:53:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-14 21:53:28,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:28,974 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:28,974 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:28,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:28,975 INFO L82 PathProgramCache]: Analyzing trace with hash 105434168, now seen corresponding path program 1 times [2019-10-14 21:53:28,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:28,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356728647] [2019-10-14 21:53:28,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:28,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:28,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:53:29,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356728647] [2019-10-14 21:53:29,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522921789] [2019-10-14 21:53:29,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:29,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:29,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:29,492 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:29,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-10-14 21:53:29,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275886319] [2019-10-14 21:53:29,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 21:53:29,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:29,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 21:53:29,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-10-14 21:53:29,505 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 12 states. [2019-10-14 21:53:31,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:31,104 INFO L93 Difference]: Finished difference Result 1246 states and 1870 transitions. [2019-10-14 21:53:31,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:53:31,105 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2019-10-14 21:53:31,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:31,109 INFO L225 Difference]: With dead ends: 1246 [2019-10-14 21:53:31,110 INFO L226 Difference]: Without dead ends: 627 [2019-10-14 21:53:31,112 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-10-14 21:53:31,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-14 21:53:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 310. [2019-10-14 21:53:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-14 21:53:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2019-10-14 21:53:31,136 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 165 [2019-10-14 21:53:31,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:31,136 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2019-10-14 21:53:31,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 21:53:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2019-10-14 21:53:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-14 21:53:31,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:31,140 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:31,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:31,345 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:31,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2019-10-14 21:53:31,346 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:31,347 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063496047] [2019-10-14 21:53:31,347 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:31,347 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:31,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:31,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063496047] [2019-10-14 21:53:31,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:53:31,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:53:31,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221695107] [2019-10-14 21:53:31,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:53:31,594 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:31,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:53:31,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:53:31,594 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 9 states. [2019-10-14 21:53:33,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:33,683 INFO L93 Difference]: Finished difference Result 1090 states and 1577 transitions. [2019-10-14 21:53:33,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:53:33,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 164 [2019-10-14 21:53:33,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:33,688 INFO L225 Difference]: With dead ends: 1090 [2019-10-14 21:53:33,689 INFO L226 Difference]: Without dead ends: 786 [2019-10-14 21:53:33,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:53:33,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-14 21:53:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 760. [2019-10-14 21:53:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-10-14 21:53:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1044 transitions. [2019-10-14 21:53:33,722 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1044 transitions. Word has length 164 [2019-10-14 21:53:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:33,722 INFO L462 AbstractCegarLoop]: Abstraction has 760 states and 1044 transitions. [2019-10-14 21:53:33,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:53:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1044 transitions. [2019-10-14 21:53:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-14 21:53:33,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:33,726 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:33,726 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:33,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:33,727 INFO L82 PathProgramCache]: Analyzing trace with hash -315093218, now seen corresponding path program 1 times [2019-10-14 21:53:33,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:33,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854254256] [2019-10-14 21:53:33,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:33,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:33,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:34,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854254256] [2019-10-14 21:53:34,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937672681] [2019-10-14 21:53:34,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:34,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:34,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:34,243 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:53:34,244 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:53:34,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947099516] [2019-10-14 21:53:34,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:53:34,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:34,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:53:34,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:34,246 INFO L87 Difference]: Start difference. First operand 760 states and 1044 transitions. Second operand 3 states. [2019-10-14 21:53:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:34,807 INFO L93 Difference]: Finished difference Result 2099 states and 2947 transitions. [2019-10-14 21:53:34,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:53:34,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-14 21:53:34,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:34,820 INFO L225 Difference]: With dead ends: 2099 [2019-10-14 21:53:34,820 INFO L226 Difference]: Without dead ends: 1345 [2019-10-14 21:53:34,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2019-10-14 21:53:34,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1199. [2019-10-14 21:53:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2019-10-14 21:53:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1542 transitions. [2019-10-14 21:53:34,872 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1542 transitions. Word has length 168 [2019-10-14 21:53:34,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:34,873 INFO L462 AbstractCegarLoop]: Abstraction has 1199 states and 1542 transitions. [2019-10-14 21:53:34,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:53:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1542 transitions. [2019-10-14 21:53:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-14 21:53:34,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:34,878 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:35,084 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:35,084 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:35,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:35,085 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2019-10-14 21:53:35,085 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:35,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070773277] [2019-10-14 21:53:35,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:35,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:35,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-14 21:53:35,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070773277] [2019-10-14 21:53:35,388 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933056243] [2019-10-14 21:53:35,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:35,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:35,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-14 21:53:35,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:53:35,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2019-10-14 21:53:35,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964230719] [2019-10-14 21:53:35,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:53:35,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:35,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:53:35,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:35,625 INFO L87 Difference]: Start difference. First operand 1199 states and 1542 transitions. Second operand 3 states. [2019-10-14 21:53:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:36,311 INFO L93 Difference]: Finished difference Result 3421 states and 4504 transitions. [2019-10-14 21:53:36,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:53:36,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-14 21:53:36,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:36,323 INFO L225 Difference]: With dead ends: 3421 [2019-10-14 21:53:36,323 INFO L226 Difference]: Without dead ends: 2228 [2019-10-14 21:53:36,327 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-10-14 21:53:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2083. [2019-10-14 21:53:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2019-10-14 21:53:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2579 transitions. [2019-10-14 21:53:36,399 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2579 transitions. Word has length 177 [2019-10-14 21:53:36,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:36,399 INFO L462 AbstractCegarLoop]: Abstraction has 2083 states and 2579 transitions. [2019-10-14 21:53:36,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:53:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2579 transitions. [2019-10-14 21:53:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-14 21:53:36,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:36,406 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:36,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:36,619 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:36,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:36,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1336045319, now seen corresponding path program 1 times [2019-10-14 21:53:36,620 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:36,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595276626] [2019-10-14 21:53:36,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:36,621 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:36,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:53:36,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595276626] [2019-10-14 21:53:36,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874750960] [2019-10-14 21:53:36,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:36,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:36,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:36,955 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:36,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:53:36,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366711489] [2019-10-14 21:53:36,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:53:36,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:36,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:53:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:36,959 INFO L87 Difference]: Start difference. First operand 2083 states and 2579 transitions. Second operand 11 states. [2019-10-14 21:53:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:41,096 INFO L93 Difference]: Finished difference Result 5563 states and 7405 transitions. [2019-10-14 21:53:41,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-14 21:53:41,097 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2019-10-14 21:53:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:41,116 INFO L225 Difference]: With dead ends: 5563 [2019-10-14 21:53:41,116 INFO L226 Difference]: Without dead ends: 3486 [2019-10-14 21:53:41,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-10-14 21:53:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2019-10-14 21:53:41,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 2987. [2019-10-14 21:53:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2987 states. [2019-10-14 21:53:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 3441 transitions. [2019-10-14 21:53:41,210 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 3441 transitions. Word has length 181 [2019-10-14 21:53:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:41,210 INFO L462 AbstractCegarLoop]: Abstraction has 2987 states and 3441 transitions. [2019-10-14 21:53:41,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:53:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3441 transitions. [2019-10-14 21:53:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-14 21:53:41,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:41,224 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:41,436 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:41,437 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:41,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:41,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1660093140, now seen corresponding path program 1 times [2019-10-14 21:53:41,438 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:41,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448441222] [2019-10-14 21:53:41,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:41,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:41,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-14 21:53:41,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448441222] [2019-10-14 21:53:41,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429002067] [2019-10-14 21:53:41,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:41,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:41,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-14 21:53:42,058 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:42,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-10-14 21:53:42,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024024215] [2019-10-14 21:53:42,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 21:53:42,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:42,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 21:53:42,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-14 21:53:42,063 INFO L87 Difference]: Start difference. First operand 2987 states and 3441 transitions. Second operand 12 states. [2019-10-14 21:53:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:45,127 INFO L93 Difference]: Finished difference Result 6412 states and 7468 transitions. [2019-10-14 21:53:45,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-14 21:53:45,128 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 247 [2019-10-14 21:53:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:45,142 INFO L225 Difference]: With dead ends: 6412 [2019-10-14 21:53:45,142 INFO L226 Difference]: Without dead ends: 3131 [2019-10-14 21:53:45,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-10-14 21:53:45,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2019-10-14 21:53:45,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 2835. [2019-10-14 21:53:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2835 states. [2019-10-14 21:53:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3235 transitions. [2019-10-14 21:53:45,223 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3235 transitions. Word has length 247 [2019-10-14 21:53:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:45,223 INFO L462 AbstractCegarLoop]: Abstraction has 2835 states and 3235 transitions. [2019-10-14 21:53:45,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 21:53:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3235 transitions. [2019-10-14 21:53:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-14 21:53:45,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:45,237 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:45,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:45,442 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:45,443 INFO L82 PathProgramCache]: Analyzing trace with hash -6191215, now seen corresponding path program 1 times [2019-10-14 21:53:45,443 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:45,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722533948] [2019-10-14 21:53:45,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:45,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:45,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 126 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-14 21:53:45,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722533948] [2019-10-14 21:53:45,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464254427] [2019-10-14 21:53:45,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:45,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:45,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-14 21:53:45,920 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:45,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-14 21:53:45,920 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732372817] [2019-10-14 21:53:45,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:53:45,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:45,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:53:45,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:45,922 INFO L87 Difference]: Start difference. First operand 2835 states and 3235 transitions. Second operand 11 states. [2019-10-14 21:53:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:47,088 INFO L93 Difference]: Finished difference Result 5103 states and 5827 transitions. [2019-10-14 21:53:47,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:53:47,089 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2019-10-14 21:53:47,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:47,098 INFO L225 Difference]: With dead ends: 5103 [2019-10-14 21:53:47,099 INFO L226 Difference]: Without dead ends: 2676 [2019-10-14 21:53:47,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:53:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2019-10-14 21:53:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2530. [2019-10-14 21:53:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2019-10-14 21:53:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 2753 transitions. [2019-10-14 21:53:47,168 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 2753 transitions. Word has length 270 [2019-10-14 21:53:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:47,168 INFO L462 AbstractCegarLoop]: Abstraction has 2530 states and 2753 transitions. [2019-10-14 21:53:47,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:53:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2753 transitions. [2019-10-14 21:53:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-10-14 21:53:47,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:47,178 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:47,392 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:47,392 INFO L410 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:47,393 INFO L82 PathProgramCache]: Analyzing trace with hash 780172313, now seen corresponding path program 1 times [2019-10-14 21:53:47,393 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:47,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221783865] [2019-10-14 21:53:47,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:47,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:47,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-14 21:53:47,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221783865] [2019-10-14 21:53:47,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362627733] [2019-10-14 21:53:47,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:53:47,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-14 21:53:47,879 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:47,880 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-14 21:53:47,880 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721916617] [2019-10-14 21:53:47,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:53:47,887 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:47,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:53:47,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:53:47,888 INFO L87 Difference]: Start difference. First operand 2530 states and 2753 transitions. Second operand 9 states. [2019-10-14 21:53:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:49,486 INFO L93 Difference]: Finished difference Result 4634 states and 5025 transitions. [2019-10-14 21:53:49,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 21:53:49,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 274 [2019-10-14 21:53:49,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:49,492 INFO L225 Difference]: With dead ends: 4634 [2019-10-14 21:53:49,492 INFO L226 Difference]: Without dead ends: 2242 [2019-10-14 21:53:49,497 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:53:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2019-10-14 21:53:49,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2094. [2019-10-14 21:53:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2094 states. [2019-10-14 21:53:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 2197 transitions. [2019-10-14 21:53:49,540 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 2197 transitions. Word has length 274 [2019-10-14 21:53:49,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:49,541 INFO L462 AbstractCegarLoop]: Abstraction has 2094 states and 2197 transitions. [2019-10-14 21:53:49,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:53:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2197 transitions. [2019-10-14 21:53:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-10-14 21:53:49,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:49,554 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:49,759 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:49,760 INFO L410 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:49,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:49,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2019-10-14 21:53:49,761 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:49,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145745711] [2019-10-14 21:53:49,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:49,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:49,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 21:53:50,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145745711] [2019-10-14 21:53:50,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167223608] [2019-10-14 21:53:50,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:50,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:53:50,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-10-14 21:53:50,412 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:53:50,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2019-10-14 21:53:50,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623409751] [2019-10-14 21:53:50,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:53:50,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:50,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:53:50,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:50,414 INFO L87 Difference]: Start difference. First operand 2094 states and 2197 transitions. Second operand 3 states. [2019-10-14 21:53:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:50,876 INFO L93 Difference]: Finished difference Result 4321 states and 4542 transitions. [2019-10-14 21:53:50,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:53:50,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2019-10-14 21:53:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:50,878 INFO L225 Difference]: With dead ends: 4321 [2019-10-14 21:53:50,878 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:53:50,889 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:50,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:53:50,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:53:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:53:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:53:50,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2019-10-14 21:53:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:50,891 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:53:50,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:53:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:53:50,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:53:51,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:51,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:53:51,739 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2019-10-14 21:53:51,961 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2019-10-14 21:53:53,101 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 185 DAG size of output: 64 [2019-10-14 21:53:53,837 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 59 [2019-10-14 21:53:54,532 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 59 [2019-10-14 21:53:54,535 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,536 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-14 21:53:54,537 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,538 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-14 21:53:54,539 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-14 21:53:54,540 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,541 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-14 21:53:54,542 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-14 21:53:54,543 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-14 21:53:54,544 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-14 21:53:54,545 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-14 21:53:54,546 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,547 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-14 21:53:54,548 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-14 21:53:54,549 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-14 21:53:54,550 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,551 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-14 21:53:54,552 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-14 21:53:54,553 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse16 (not (<= |old(~a19~0)| 0))) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse18 (not (<= |old(~a17~0)| 8)))) (let ((.cse4 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (or .cse18 (not (<= |old(~a28~0)| 7)))) (.cse2 (and .cse11 (= ~a17~0 8) .cse13 .cse14 .cse15)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse0 (not (= 1 |old(~a25~0)|))) (.cse6 (or .cse18 .cse16)) (.cse5 (and .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse8 (not (<= |old(~a28~0)| 10))) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse17 (not (<= 10 |old(~a28~0)|))) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse7 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse1 .cse4 .cse9 .cse2 .cse3) (or .cse10 .cse1 (and (and .cse11 .cse12 .cse13 .cse14) .cse15) .cse7) (or .cse8 (or .cse9 .cse16 .cse3) .cse2) (or .cse5 (or (or .cse10 .cse16) .cse3)) (or .cse8 .cse1 .cse17 .cse2 .cse3) (or .cse8 .cse0 .cse17 .cse6 .cse5) (or .cse8 (and .cse14 .cse15 .cse11 .cse12 .cse13) .cse1 .cse17 .cse9 (not (= 1 |old(~a11~0)|)) .cse7)))) [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,554 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-14 21:53:54,555 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,556 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-14 21:53:54,557 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,558 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-14 21:53:54,559 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-14 21:53:54,560 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-14 21:53:54,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:53:54,561 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0)) [2019-10-14 21:53:54,561 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:53:54,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:53:54,561 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-10-14 21:53:54,562 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse12 (<= ~a17~0 8)) (.cse10 (= ~a17~0 8)) (.cse13 (<= ~a25~0 0))) (let ((.cse1 (and .cse10 .cse13)) (.cse4 (and (<= ~a28~0 7) .cse12)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a17~0 7)) (.cse6 (not (= ~a17~0 ~a28~0))) (.cse9 (and .cse0 .cse12)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 10 ~a28~0)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse2 (<= ~a28~0 10))) (or (and (and .cse0 .cse1) .cse2) (not (<= |old(~a28~0)| 7)) (and .cse3 (and .cse4 .cse5)) (and .cse6 .cse2 (and .cse1 .cse5)) (= |old(~a11~0)| |old(~a19~0)|) (and .cse2 .cse7 (and .cse8 .cse9)) (and .cse6 (and .cse4 .cse0)) (and (and .cse10 .cse11) .cse7) (not (<= |old(~a25~0)| 0)) (and .cse3 .cse6 .cse9) (and .cse8 .cse2 .cse5 .cse12 .cse13 (= ~a11~0 1)) (not (= 1 |old(~a19~0)|)) (and (and .cse8 .cse11) (= ~a17~0 |old(~a17~0)|) .cse2) (not (= 8 |old(~a17~0)|))))) [2019-10-14 21:53:54,562 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-14 21:53:54,562 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-14 21:53:54,562 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse12 (<= ~a17~0 8)) (.cse10 (= ~a17~0 8)) (.cse13 (<= ~a25~0 0))) (let ((.cse1 (and .cse10 .cse13)) (.cse4 (and (<= ~a28~0 7) .cse12)) (.cse7 (= ~a25~0 1)) (.cse3 (<= ~a17~0 7)) (.cse6 (not (= ~a17~0 ~a28~0))) (.cse9 (and .cse0 .cse12)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 10 ~a28~0)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse2 (<= ~a28~0 10))) (or (and (and .cse0 .cse1) .cse2) (not (<= |old(~a28~0)| 7)) (and .cse3 (and .cse4 .cse5)) (and .cse6 .cse2 (and .cse1 .cse5)) (= |old(~a11~0)| |old(~a19~0)|) (and .cse2 .cse7 (and .cse8 .cse9)) (and .cse6 (and .cse4 .cse0)) (and (and .cse10 .cse11) .cse7) (not (<= |old(~a25~0)| 0)) (and .cse3 .cse6 .cse9) (and .cse8 .cse2 .cse5 .cse12 .cse13 (= ~a11~0 1)) (not (= 1 |old(~a19~0)|)) (and (and .cse8 .cse11) (= ~a17~0 |old(~a17~0)|) .cse2) (not (= 8 |old(~a17~0)|))))) [2019-10-14 21:53:54,562 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-14 21:53:54,562 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-14 21:53:54,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:53:54 BoogieIcfgContainer [2019-10-14 21:53:54,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:53:54,584 INFO L168 Benchmark]: Toolchain (without parser) took 32718.61 ms. Allocated memory was 138.9 MB in the beginning and 660.1 MB in the end (delta: 521.1 MB). Free memory was 101.0 MB in the beginning and 256.2 MB in the end (delta: -155.2 MB). Peak memory consumption was 491.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,585 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.53 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.8 MB in the beginning and 170.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,586 INFO L168 Benchmark]: Boogie Preprocessor took 118.72 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,587 INFO L168 Benchmark]: RCFGBuilder took 1445.29 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 179.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,588 INFO L168 Benchmark]: TraceAbstraction took 30412.73 ms. Allocated memory was 238.0 MB in the beginning and 660.1 MB in the end (delta: 422.1 MB). Free memory was 179.9 MB in the beginning and 256.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 471.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:53:54,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.53 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.8 MB in the beginning and 170.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.72 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1445.29 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 179.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30412.73 ms. Allocated memory was 238.0 MB in the beginning and 660.1 MB in the end (delta: 422.1 MB). Free memory was 179.9 MB in the beginning and 256.2 MB in the end (delta: -76.2 MB). Peak memory consumption was 471.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((a19 <= 0 && a17 == 8 && a25 <= 0) && a28 <= 10) || !(\old(a28) <= 7)) || (a17 <= 7 && (a28 <= 7 && a17 <= 8) && a19 == 1)) || ((!(a17 == a28) && a28 <= 10) && (a17 == 8 && a25 <= 0) && a19 == 1)) || \old(a11) == \old(a19)) || ((a28 <= 10 && a25 == 1) && 10 <= a28 && a19 <= 0 && a17 <= 8)) || (!(a17 == a28) && (a28 <= 7 && a17 <= 8) && a19 <= 0)) || ((a17 == 8 && a19 == \old(a19)) && a25 == 1)) || !(\old(a25) <= 0)) || ((a17 <= 7 && !(a17 == a28)) && a19 <= 0 && a17 <= 8)) || (((((10 <= a28 && a28 <= 10) && a19 == 1) && a17 <= 8) && a25 <= 0) && a11 == 1)) || !(1 == \old(a19))) || (((10 <= a28 && a19 == \old(a19)) && a17 == \old(a17)) && a28 <= 10)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 30.3s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, HoareTripleCheckerStatistics: 839 SDtfs, 7664 SDslu, 613 SDs, 0 SdLazy, 11105 SolverSat, 2469 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2011 GetRequests, 1868 SyntacticMatches, 6 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2987occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1765 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 125 PreInvPairs, 179 NumberOfFragments, 746 HoareAnnotationTreeSize, 125 FomulaSimplifications, 239302 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13594 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 4037 NumberOfCodeBlocks, 4037 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2378649 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4039 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 1872/1993 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...