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/Problem10_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 18:15:24,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 18:15:24,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 18:15:24,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 18:15:24,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 18:15:24,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 18:15:24,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 18:15:24,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 18:15:24,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 18:15:24,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 18:15:24,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 18:15:24,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 18:15:24,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 18:15:24,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 18:15:24,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 18:15:24,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 18:15:24,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 18:15:24,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 18:15:24,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 18:15:24,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 18:15:24,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 18:15:24,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 18:15:24,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 18:15:24,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 18:15:24,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 18:15:24,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 18:15:24,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 18:15:24,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 18:15:24,273 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 [2019-09-07 18:15:24,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 18:15:24,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 18:15:24,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 18:15:24,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 18:15:24,290 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 18:15:24,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 18:15:24,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 18:15:24,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 18:15:24,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 18:15:24,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 18:15:24,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 18:15:24,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 18:15:24,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 18:15:24,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 18:15:24,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 18:15:24,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 18:15:24,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 18:15:24,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 18:15:24,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 18:15:24,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 18:15:24,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 18:15:24,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 18:15:24,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 18:15:24,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 18:15:24,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 18:15:24,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 18:15:24,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 18:15:24,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 18:15:24,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 18:15:24,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label59.c [2019-09-07 18:15:24,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddac27f66/2a2ced28353f4b17948c1e6ea4c436b3/FLAGd7cdf5ac8 [2019-09-07 18:15:25,026 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 18:15:25,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label59.c [2019-09-07 18:15:25,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddac27f66/2a2ced28353f4b17948c1e6ea4c436b3/FLAGd7cdf5ac8 [2019-09-07 18:15:25,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddac27f66/2a2ced28353f4b17948c1e6ea4c436b3 [2019-09-07 18:15:25,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 18:15:25,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 18:15:25,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 18:15:25,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 18:15:25,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 18:15:25,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:15:25" (1/1) ... [2019-09-07 18:15:25,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67166b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:25, skipping insertion in model container [2019-09-07 18:15:25,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:15:25" (1/1) ... [2019-09-07 18:15:25,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 18:15:25,376 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 18:15:25,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:15:25,959 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 18:15:26,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:15:26,089 INFO L192 MainTranslator]: Completed translation [2019-09-07 18:15:26,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26 WrapperNode [2019-09-07 18:15:26,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 18:15:26,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 18:15:26,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 18:15:26,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 18:15:26,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (1/1) ... [2019-09-07 18:15:26,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 18:15:26,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 18:15:26,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 18:15:26,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 18:15:26,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (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 [2019-09-07 18:15:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 18:15:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 18:15:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 18:15:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 18:15:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 18:15:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 18:15:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 18:15:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 18:15:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 18:15:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 18:15:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 18:15:27,619 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 18:15:27,619 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 18:15:27,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:15:27 BoogieIcfgContainer [2019-09-07 18:15:27,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 18:15:27,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 18:15:27,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 18:15:27,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 18:15:27,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:15:25" (1/3) ... [2019-09-07 18:15:27,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4db366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:15:27, skipping insertion in model container [2019-09-07 18:15:27,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:15:26" (2/3) ... [2019-09-07 18:15:27,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4db366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:15:27, skipping insertion in model container [2019-09-07 18:15:27,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:15:27" (3/3) ... [2019-09-07 18:15:27,631 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2019-09-07 18:15:27,642 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 18:15:27,651 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 18:15:27,670 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 18:15:27,719 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 18:15:27,720 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 18:15:27,722 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 18:15:27,722 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 18:15:27,722 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 18:15:27,722 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 18:15:27,723 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 18:15:27,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 18:15:27,723 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 18:15:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-09-07 18:15:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-07 18:15:27,774 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:27,775 INFO L399 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] [2019-09-07 18:15:27,778 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:27,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:27,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1400340266, now seen corresponding path program 1 times [2019-09-07 18:15:27,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:27,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:27,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:27,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:27,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:15:28,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:15:28,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 18:15:28,233 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 18:15:28,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 18:15:28,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:15:28,250 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2019-09-07 18:15:29,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:15:29,688 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2019-09-07 18:15:29,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 18:15:29,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2019-09-07 18:15:29,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:15:29,723 INFO L225 Difference]: With dead ends: 733 [2019-09-07 18:15:29,723 INFO L226 Difference]: Without dead ends: 437 [2019-09-07 18:15:29,737 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:15:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-09-07 18:15:29,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 294. [2019-09-07 18:15:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-09-07 18:15:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2019-09-07 18:15:29,811 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 71 [2019-09-07 18:15:29,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:15:29,812 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2019-09-07 18:15:29,812 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 18:15:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2019-09-07 18:15:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-07 18:15:29,819 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:29,820 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 18:15:29,820 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:29,820 INFO L82 PathProgramCache]: Analyzing trace with hash 41629170, now seen corresponding path program 1 times [2019-09-07 18:15:29,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:29,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:29,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:29,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:29,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:15:30,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:15:30,120 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 18:15:30,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:15:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:30,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 18:15:30,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:15:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 18:15:30,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:15:30,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-07 18:15:30,314 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 18:15:30,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 18:15:30,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-09-07 18:15:30,316 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 8 states. [2019-09-07 18:15:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:15:32,736 INFO L93 Difference]: Finished difference Result 1498 states and 2486 transitions. [2019-09-07 18:15:32,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 18:15:32,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2019-09-07 18:15:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:15:32,751 INFO L225 Difference]: With dead ends: 1498 [2019-09-07 18:15:32,751 INFO L226 Difference]: Without dead ends: 1210 [2019-09-07 18:15:32,753 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-09-07 18:15:32,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2019-09-07 18:15:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1186. [2019-09-07 18:15:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2019-09-07 18:15:32,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1678 transitions. [2019-09-07 18:15:32,853 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1678 transitions. Word has length 141 [2019-09-07 18:15:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:15:32,856 INFO L475 AbstractCegarLoop]: Abstraction has 1186 states and 1678 transitions. [2019-09-07 18:15:32,856 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 18:15:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1678 transitions. [2019-09-07 18:15:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-07 18:15:32,871 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:32,871 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 18:15:32,872 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:32,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:32,872 INFO L82 PathProgramCache]: Analyzing trace with hash -395920931, now seen corresponding path program 1 times [2019-09-07 18:15:32,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:32,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:32,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:32,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:32,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:15:33,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:15:33,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 18:15:33,099 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 18:15:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 18:15:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 18:15:33,100 INFO L87 Difference]: Start difference. First operand 1186 states and 1678 transitions. Second operand 6 states. [2019-09-07 18:15:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:15:33,935 INFO L93 Difference]: Finished difference Result 2392 states and 3462 transitions. [2019-09-07 18:15:33,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 18:15:33,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2019-09-07 18:15:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:15:33,949 INFO L225 Difference]: With dead ends: 2392 [2019-09-07 18:15:33,950 INFO L226 Difference]: Without dead ends: 1228 [2019-09-07 18:15:33,953 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:15:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2019-09-07 18:15:34,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1204. [2019-09-07 18:15:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2019-09-07 18:15:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1644 transitions. [2019-09-07 18:15:34,037 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1644 transitions. Word has length 152 [2019-09-07 18:15:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:15:34,040 INFO L475 AbstractCegarLoop]: Abstraction has 1204 states and 1644 transitions. [2019-09-07 18:15:34,040 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 18:15:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1644 transitions. [2019-09-07 18:15:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-09-07 18:15:34,048 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:34,048 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 18:15:34,048 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:34,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:34,050 INFO L82 PathProgramCache]: Analyzing trace with hash 421403873, now seen corresponding path program 1 times [2019-09-07 18:15:34,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:34,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:34,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:34,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:34,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:15:34,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:15:34,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 18:15:34,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 18:15:34,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 18:15:34,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 18:15:34,318 INFO L87 Difference]: Start difference. First operand 1204 states and 1644 transitions. Second operand 6 states. [2019-09-07 18:15:35,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:15:35,164 INFO L93 Difference]: Finished difference Result 3058 states and 4555 transitions. [2019-09-07 18:15:35,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 18:15:35,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 202 [2019-09-07 18:15:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:15:35,179 INFO L225 Difference]: With dead ends: 3058 [2019-09-07 18:15:35,179 INFO L226 Difference]: Without dead ends: 1860 [2019-09-07 18:15:35,185 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:15:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2019-09-07 18:15:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1804. [2019-09-07 18:15:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2019-09-07 18:15:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2467 transitions. [2019-09-07 18:15:35,265 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2467 transitions. Word has length 202 [2019-09-07 18:15:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:15:35,266 INFO L475 AbstractCegarLoop]: Abstraction has 1804 states and 2467 transitions. [2019-09-07 18:15:35,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 18:15:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2467 transitions. [2019-09-07 18:15:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-09-07 18:15:35,275 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:35,276 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:15:35,276 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:35,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1534813554, now seen corresponding path program 1 times [2019-09-07 18:15:35,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:35,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:35,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:35,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:35,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 128 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 18:15:35,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:15:35,433 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:15:35,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:35,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 18:15:35,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:15:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 18:15:35,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:15:35,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-09-07 18:15:35,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 18:15:35,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 18:15:35,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:15:35,682 INFO L87 Difference]: Start difference. First operand 1804 states and 2467 transitions. Second operand 9 states. [2019-09-07 18:15:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:15:37,449 INFO L93 Difference]: Finished difference Result 5114 states and 7274 transitions. [2019-09-07 18:15:37,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-07 18:15:37,449 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2019-09-07 18:15:37,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:15:37,470 INFO L225 Difference]: With dead ends: 5114 [2019-09-07 18:15:37,470 INFO L226 Difference]: Without dead ends: 3332 [2019-09-07 18:15:37,476 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2019-09-07 18:15:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2019-09-07 18:15:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3276. [2019-09-07 18:15:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3276 states. [2019-09-07 18:15:37,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 4148 transitions. [2019-09-07 18:15:37,592 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 4148 transitions. Word has length 221 [2019-09-07 18:15:37,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:15:37,593 INFO L475 AbstractCegarLoop]: Abstraction has 3276 states and 4148 transitions. [2019-09-07 18:15:37,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 18:15:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 4148 transitions. [2019-09-07 18:15:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-07 18:15:37,601 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:15:37,602 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-07 18:15:37,602 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:15:37,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:15:37,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1716693714, now seen corresponding path program 1 times [2019-09-07 18:15:37,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:15:37,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:15:37,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:37,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:15:37,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:15:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 9 proven. 125 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-09-07 18:15:37,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:15:37,851 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 18:15:37,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:15:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:15:37,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-07 18:15:37,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:15:37,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:15:37,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:15:37,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:15:37,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:15:37,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:15:50,672 WARN L188 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2019-09-07 18:15:50,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:15:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 131 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:15:50,932 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:15:50,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2019-09-07 18:15:50,933 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-07 18:15:50,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-07 18:15:50,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-09-07 18:15:50,934 INFO L87 Difference]: Start difference. First operand 3276 states and 4148 transitions. Second operand 13 states. [2019-09-07 18:16:03,266 WARN L188 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-07 18:16:08,379 WARN L188 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 51 [2019-09-07 18:16:18,830 WARN L188 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-07 18:16:29,222 WARN L188 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-07 18:16:40,596 WARN L188 SmtUtils]: Spent 10.31 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-07 18:16:52,850 WARN L188 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-07 18:16:58,109 WARN L188 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 58 [2019-09-07 18:17:03,354 WARN L188 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 53 [2019-09-07 18:17:09,129 WARN L188 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 53 [2019-09-07 18:17:19,444 WARN L188 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-07 18:17:31,790 WARN L188 SmtUtils]: Spent 10.23 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-07 18:17:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:17:32,988 INFO L93 Difference]: Finished difference Result 8233 states and 10878 transitions. [2019-09-07 18:17:32,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-09-07 18:17:32,989 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 227 [2019-09-07 18:17:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:17:33,025 INFO L225 Difference]: With dead ends: 8233 [2019-09-07 18:17:33,026 INFO L226 Difference]: Without dead ends: 5106 [2019-09-07 18:17:33,041 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 105.8s TimeCoverageRelationStatistics Valid=612, Invalid=2144, Unknown=0, NotChecked=0, Total=2756 [2019-09-07 18:17:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5106 states. [2019-09-07 18:17:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5106 to 3870. [2019-09-07 18:17:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3870 states. [2019-09-07 18:17:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 4698 transitions. [2019-09-07 18:17:33,197 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 4698 transitions. Word has length 227 [2019-09-07 18:17:33,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:17:33,199 INFO L475 AbstractCegarLoop]: Abstraction has 3870 states and 4698 transitions. [2019-09-07 18:17:33,199 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-07 18:17:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 4698 transitions. [2019-09-07 18:17:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-09-07 18:17:33,208 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:17:33,208 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-07 18:17:33,209 INFO L418 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:17:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:17:33,209 INFO L82 PathProgramCache]: Analyzing trace with hash 805990106, now seen corresponding path program 1 times [2019-09-07 18:17:33,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:17:33,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:17:33,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:33,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:17:33,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 129 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-09-07 18:17:33,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:17:33,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:17:33,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:17:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:33,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 18:17:33,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:17:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:17:33,644 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:17:33,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-09-07 18:17:33,645 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-07 18:17:33,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-07 18:17:33,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-09-07 18:17:33,648 INFO L87 Difference]: Start difference. First operand 3870 states and 4698 transitions. Second operand 11 states. [2019-09-07 18:17:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:17:36,154 INFO L93 Difference]: Finished difference Result 10185 states and 12354 transitions. [2019-09-07 18:17:36,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-07 18:17:36,155 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2019-09-07 18:17:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:17:36,177 INFO L225 Difference]: With dead ends: 10185 [2019-09-07 18:17:36,177 INFO L226 Difference]: Without dead ends: 4561 [2019-09-07 18:17:36,194 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2019-09-07 18:17:36,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2019-09-07 18:17:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 2970. [2019-09-07 18:17:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2019-09-07 18:17:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3330 transitions. [2019-09-07 18:17:36,290 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3330 transitions. Word has length 231 [2019-09-07 18:17:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:17:36,290 INFO L475 AbstractCegarLoop]: Abstraction has 2970 states and 3330 transitions. [2019-09-07 18:17:36,290 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-07 18:17:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3330 transitions. [2019-09-07 18:17:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-07 18:17:36,298 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:17:36,299 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:17:36,299 INFO L418 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:17:36,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:17:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1419996987, now seen corresponding path program 1 times [2019-09-07 18:17:36,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:17:36,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:17:36,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:36,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:17:36,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:17:36,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:17:36,565 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 18:17:36,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:17:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:36,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-07 18:17:36,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:17:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-09-07 18:17:36,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:17:36,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-09-07 18:17:36,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 18:17:36,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 18:17:36,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:17:36,755 INFO L87 Difference]: Start difference. First operand 2970 states and 3330 transitions. Second operand 9 states. [2019-09-07 18:17:39,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:17:39,100 INFO L93 Difference]: Finished difference Result 7551 states and 8532 transitions. [2019-09-07 18:17:39,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-07 18:17:39,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 244 [2019-09-07 18:17:39,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:17:39,124 INFO L225 Difference]: With dead ends: 7551 [2019-09-07 18:17:39,124 INFO L226 Difference]: Without dead ends: 4587 [2019-09-07 18:17:39,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2019-09-07 18:17:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states. [2019-09-07 18:17:39,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 3848. [2019-09-07 18:17:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3848 states. [2019-09-07 18:17:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 4323 transitions. [2019-09-07 18:17:39,242 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 4323 transitions. Word has length 244 [2019-09-07 18:17:39,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:17:39,242 INFO L475 AbstractCegarLoop]: Abstraction has 3848 states and 4323 transitions. [2019-09-07 18:17:39,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 18:17:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 4323 transitions. [2019-09-07 18:17:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-09-07 18:17:39,258 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:17:39,258 INFO L399 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, 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, 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] [2019-09-07 18:17:39,259 INFO L418 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:17:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:17:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash 702070022, now seen corresponding path program 1 times [2019-09-07 18:17:39,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:17:39,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:17:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:39,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:17:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:17:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 304 proven. 63 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-09-07 18:17:39,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:17:39,610 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 18:17:39,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:17:39,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-07 18:17:39,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:17:39,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:39,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:46,784 WARN L188 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2019-09-07 18:17:46,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:17:46,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:17:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 406 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 18:17:47,056 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:17:47,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2019-09-07 18:17:47,057 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-07 18:17:47,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-07 18:17:47,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-09-07 18:17:47,058 INFO L87 Difference]: Start difference. First operand 3848 states and 4323 transitions. Second operand 13 states. [2019-09-07 18:17:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:17:51,484 INFO L93 Difference]: Finished difference Result 9009 states and 10182 transitions. [2019-09-07 18:17:51,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-09-07 18:17:51,485 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 381 [2019-09-07 18:17:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:17:51,486 INFO L225 Difference]: With dead ends: 9009 [2019-09-07 18:17:51,486 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 18:17:51,501 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=301, Invalid=959, Unknown=0, NotChecked=0, Total=1260 [2019-09-07 18:17:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 18:17:51,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 18:17:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 18:17:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 18:17:51,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 381 [2019-09-07 18:17:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:17:51,503 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 18:17:51,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-07 18:17:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 18:17:51,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 18:17:51,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 18:17:52,204 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 254 [2019-09-07 18:17:52,675 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 254 [2019-09-07 18:17:55,053 WARN L188 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 323 DAG size of output: 61 [2019-09-07 18:17:57,059 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 236 DAG size of output: 59 [2019-09-07 18:17:58,588 WARN L188 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 236 DAG size of output: 59 [2019-09-07 18:17:58,591 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,592 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,593 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-09-07 18:17:58,594 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,595 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-09-07 18:17:58,596 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,597 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-09-07 18:17:58,598 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-09-07 18:17:58,599 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,600 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,601 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-09-07 18:17:58,602 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-09-07 18:17:58,603 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= ~a10~0 |old(~a10~0)|)) (.cse12 (<= ~a10~0 |old(~a10~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse13 (<= |old(~a10~0)| ~a10~0)) (.cse9 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (= 10 |old(~a19~0)|)) (.cse4 (not (< 0 (+ |old(~a1~0)| 13)))) (.cse7 (= 0 |old(~a10~0)|)) (.cse5 (and (and .cse12 .cse10) .cse13 .cse9)) (.cse11 (not (<= 0 (+ |old(~a1~0)| 600000)))) (.cse14 (= 9 |old(~a19~0)|)) (.cse6 (= 2 |old(~a10~0)|)) (.cse3 (not (<= |old(~a10~0)| 2))) (.cse15 (= 8 |old(~a19~0)|)) (.cse0 (and .cse8 .cse10 .cse9)) (.cse1 (not (<= 2 |old(~a10~0)|))) (.cse16 (not (<= |old(~a19~0)| 8)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse1 .cse2 .cse4) .cse5) (or (or .cse4 .cse6 .cse7 .cse3) (and (and .cse8 .cse9) .cse10)) (or .cse0 (or (not (<= 23 |old(~a1~0)|)) .cse6 .cse3)) (or .cse11 (and .cse9 .cse12 .cse13 .cse10) (not .cse14) .cse7) (or .cse5 .cse11 (or .cse14 .cse6 .cse3 .cse15)) (or .cse0 .cse16 .cse15 (= 1 |old(~a10~0)|)) (or .cse0 .cse1 .cse16)))) [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-09-07 18:17:58,604 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-09-07 18:17:58,605 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-09-07 18:17:58,606 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,607 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-09-07 18:17:58,608 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 18:17:58,609 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a10~0 2)) (not (= 1 ~a10~0)) (not (= ~a19~0 8)) (<= ~a10~0 2) (= 23 ~a1~0) (not (= 10 ~a19~0))) [2019-09-07 18:17:58,609 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 18:17:58,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 18:17:58,609 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|)) (= 10 |old(~a19~0)|) (= 2 |old(~a10~0)|) (not (= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (= 1 |old(~a10~0)|)) [2019-09-07 18:17:58,609 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-09-07 18:17:58,609 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse7 (<= ~a10~0 2)) (.cse11 (not (= ~a10~0 2))) (.cse2 (not (= 1 ~a10~0))) (.cse8 (not (= 10 ~a19~0)))) (let ((.cse4 (and (<= 23 ~a1~0) .cse7 (and .cse11 .cse2 .cse8))) (.cse6 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 8)) (.cse0 (not (= ~a19~0 8))) (.cse10 (<= 0 (+ ~a1~0 600000))) (.cse3 (= 9 |old(~a19~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse9 (not (= ~a10~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse3) (not (= 23 |old(~a1~0)|)) (and .cse4 .cse5) (and (and .cse6 .cse7 .cse8) .cse3) (and (and (< 0 (+ ~a1~0 13)) .cse8 .cse9) .cse3) (and .cse6 .cse1 .cse3) (= 2 |old(~a10~0)|) (= 1 |old(~a10~0)|) (= 10 |old(~a19~0)|) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (and .cse10 (and .cse11 .cse0 .cse7 .cse3 (not (= ~a19~0 9)))) (and .cse10 .cse3 .cse5 .cse9)))) [2019-09-07 18:17:58,609 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-09-07 18:17:58,609 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-09-07 18:17:58,609 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse7 (<= ~a10~0 2)) (.cse11 (not (= ~a10~0 2))) (.cse2 (not (= 1 ~a10~0))) (.cse8 (not (= 10 ~a19~0)))) (let ((.cse4 (and (<= 23 ~a1~0) .cse7 (and .cse11 .cse2 .cse8))) (.cse6 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 8)) (.cse0 (not (= ~a19~0 8))) (.cse10 (<= 0 (+ ~a1~0 600000))) (.cse3 (= 9 |old(~a19~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse9 (not (= ~a10~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse3) (not (= 23 |old(~a1~0)|)) (and .cse4 .cse5) (and (and .cse6 .cse7 .cse8) .cse3) (and (and (< 0 (+ ~a1~0 13)) .cse8 .cse9) .cse3) (and .cse6 .cse1 .cse3) (= 2 |old(~a10~0)|) (= 1 |old(~a10~0)|) (= 10 |old(~a19~0)|) (not (<= |old(~a10~0)| 2)) (= 8 |old(~a19~0)|) (and .cse10 (and .cse11 .cse0 .cse7 .cse3 (not (= ~a19~0 9)))) (and .cse10 .cse3 .cse5 .cse9)))) [2019-09-07 18:17:58,610 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-09-07 18:17:58,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 06:17:58 BoogieIcfgContainer [2019-09-07 18:17:58,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 18:17:58,652 INFO L168 Benchmark]: Toolchain (without parser) took 153363.61 ms. Allocated memory was 135.8 MB in the beginning and 651.7 MB in the end (delta: 515.9 MB). Free memory was 89.3 MB in the beginning and 482.0 MB in the end (delta: -392.8 MB). Peak memory consumption was 499.3 MB. Max. memory is 7.1 GB. [2019-09-07 18:17:58,653 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-07 18:17:58,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.22 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 160.0 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-07 18:17:58,657 INFO L168 Benchmark]: Boogie Preprocessor took 142.64 ms. Allocated memory is still 202.4 MB. Free memory was 160.0 MB in the beginning and 155.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-07 18:17:58,658 INFO L168 Benchmark]: RCFGBuilder took 1387.18 ms. Allocated memory was 202.4 MB in the beginning and 231.7 MB in the end (delta: 29.4 MB). Free memory was 155.6 MB in the beginning and 172.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-09-07 18:17:58,662 INFO L168 Benchmark]: TraceAbstraction took 151024.54 ms. Allocated memory was 231.7 MB in the beginning and 651.7 MB in the end (delta: 420.0 MB). Free memory was 172.6 MB in the beginning and 482.0 MB in the end (delta: -309.4 MB). Peak memory consumption was 486.7 MB. Max. memory is 7.1 GB. [2019-09-07 18:17:58,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.22 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 160.0 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.64 ms. Allocated memory is still 202.4 MB. Free memory was 160.0 MB in the beginning and 155.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1387.18 ms. Allocated memory was 202.4 MB in the beginning and 231.7 MB in the end (delta: 29.4 MB). Free memory was 155.6 MB in the beginning and 172.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 151024.54 ms. Allocated memory was 231.7 MB in the beginning and 651.7 MB in the end (delta: 420.0 MB). Free memory was 172.6 MB in the beginning and 482.0 MB in the end (delta: -309.4 MB). Peak memory consumption was 486.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((!(a19 == 8) && a19 <= 8) && !(1 == a10)) && 9 == \old(a19)) || (((23 <= a1 && a10 <= 2) && (!(a10 == 2) && !(1 == a10)) && !(10 == a19)) && 9 == \old(a19))) || !(23 == \old(a1))) || (((23 <= a1 && a10 <= 2) && (!(a10 == 2) && !(1 == a10)) && !(10 == a19)) && a19 == \old(a19))) || (((2 <= a10 && a10 <= 2) && !(10 == a19)) && 9 == \old(a19))) || (((0 < a1 + 13 && !(10 == a19)) && !(a10 == 0)) && 9 == \old(a19))) || ((2 <= a10 && a19 <= 8) && 9 == \old(a19))) || 2 == \old(a10)) || 1 == \old(a10)) || 10 == \old(a19)) || !(\old(a10) <= 2)) || 8 == \old(a19)) || (0 <= a1 + 600000 && (((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && 9 == \old(a19)) && !(a19 == 9))) || (((0 <= a1 + 600000 && 9 == \old(a19)) && a19 == \old(a19)) && !(a10 == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 150.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 118.9s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 318 SDtfs, 9491 SDslu, 874 SDs, 0 SdLazy, 16385 SolverSat, 2754 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1711 GetRequests, 1530 SyntacticMatches, 4 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 114.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3870occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 3869 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 296 NumberOfFragments, 614 HoareAnnotationTreeSize, 190 FomulaSimplifications, 50707 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 29843 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 3315 NumberOfCodeBlocks, 3315 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3300 ConstructedInterpolants, 73 QuantifiedInterpolants, 2641633 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2477 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2435/2834 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...