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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:42:41,437 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-10-15 01:42:41,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:42:41,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:42:41,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:42:41,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:42:41,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:42:41,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:42:41,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:42:41,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:42:41,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:42:41,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:42:41,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:42:41,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:42:41,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:42:41,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:42:41,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:42:41,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:42:41,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:42:41,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:42:41,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:42:41,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:42:41,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:42:41,538 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:42:41,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:42:41,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:42:41,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:42:41,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:42:41,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:42:41,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:42:41,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:42:41,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:42:41,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:42:41,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:42:41,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:42:41,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:42:41,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:42:41,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:42:41,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:42:41,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:42:41,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:42:41,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:42:41,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:42:41,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:42:41,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:42:41,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:42:41,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:42:41,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:42:41,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:42:41,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:42:41,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:42:41,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:42:41,869 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:42:41,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-10-15 01:42:41,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a8f8640/03d4f80fcf604582afbf9030c47ffa8d/FLAG7e8d38982 [2019-10-15 01:42:42,458 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:42:42,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2019-10-15 01:42:42,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a8f8640/03d4f80fcf604582afbf9030c47ffa8d/FLAG7e8d38982 [2019-10-15 01:42:42,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a8f8640/03d4f80fcf604582afbf9030c47ffa8d [2019-10-15 01:42:42,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:42:42,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:42:42,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:42:42,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:42:42,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:42:42,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:42:42" (1/1) ... [2019-10-15 01:42:42,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8f9260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:42, skipping insertion in model container [2019-10-15 01:42:42,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:42:42" (1/1) ... [2019-10-15 01:42:42,763 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:42:42,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:42:43,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:42:43,390 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:42:43,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:42:43,557 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:42:43,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43 WrapperNode [2019-10-15 01:42:43,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:42:43,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:42:43,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:42:43,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:42:43,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... [2019-10-15 01:42:43,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:42:43,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:42:43,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:42:43,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:42:43,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:42:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:42:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:42:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:42:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:42:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:42:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:42:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:42:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:42:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:42:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:42:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:42:45,829 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:42:45,829 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:42:45,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:42:45 BoogieIcfgContainer [2019-10-15 01:42:45,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:42:45,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:42:45,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:42:45,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:42:45,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:42:42" (1/3) ... [2019-10-15 01:42:45,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e45f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:42:45, skipping insertion in model container [2019-10-15 01:42:45,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:42:43" (2/3) ... [2019-10-15 01:42:45,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e45f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:42:45, skipping insertion in model container [2019-10-15 01:42:45,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:42:45" (3/3) ... [2019-10-15 01:42:45,840 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2019-10-15 01:42:45,850 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:42:45,859 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:42:45,870 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:42:45,901 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:42:45,901 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:42:45,901 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:42:45,902 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:42:45,902 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:42:45,902 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:42:45,902 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:42:45,902 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:42:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-15 01:42:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:42:45,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:45,939 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:42:45,942 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:45,949 INFO L82 PathProgramCache]: Analyzing trace with hash -219363785, now seen corresponding path program 1 times [2019-10-15 01:42:45,960 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:45,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468073072] [2019-10-15 01:42:45,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:45,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:45,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:46,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468073072] [2019-10-15 01:42:46,403 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:42:46,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:42:46,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663569991] [2019-10-15 01:42:46,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:42:46,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:46,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:42:46,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:46,430 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-15 01:42:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:46,996 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-15 01:42:46,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:42:47,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-15 01:42:47,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:47,028 INFO L225 Difference]: With dead ends: 273 [2019-10-15 01:42:47,028 INFO L226 Difference]: Without dead ends: 175 [2019-10-15 01:42:47,035 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:47,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-15 01:42:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-15 01:42:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-15 01:42:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-15 01:42:47,149 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-15 01:42:47,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:47,151 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-15 01:42:47,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:42:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-15 01:42:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:42:47,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:47,164 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:42:47,165 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:47,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:47,166 INFO L82 PathProgramCache]: Analyzing trace with hash -701898564, now seen corresponding path program 1 times [2019-10-15 01:42:47,166 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:47,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109104163] [2019-10-15 01:42:47,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:47,167 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:47,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:47,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109104163] [2019-10-15 01:42:47,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:42:47,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:42:47,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478380861] [2019-10-15 01:42:47,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:42:47,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:47,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:42:47,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:42:47,347 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 4 states. [2019-10-15 01:42:48,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:48,056 INFO L93 Difference]: Finished difference Result 681 states and 1259 transitions. [2019-10-15 01:42:48,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:42:48,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-10-15 01:42:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:48,066 INFO L225 Difference]: With dead ends: 681 [2019-10-15 01:42:48,069 INFO L226 Difference]: Without dead ends: 511 [2019-10-15 01:42:48,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:42:48,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-15 01:42:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 427. [2019-10-15 01:42:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-15 01:42:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 725 transitions. [2019-10-15 01:42:48,146 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 725 transitions. Word has length 94 [2019-10-15 01:42:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:48,151 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 725 transitions. [2019-10-15 01:42:48,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:42:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 725 transitions. [2019-10-15 01:42:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 01:42:48,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:42:48,158 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:42:48,161 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:42:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:42:48,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2133056822, now seen corresponding path program 1 times [2019-10-15 01:42:48,162 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:42:48,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077767915] [2019-10-15 01:42:48,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:48,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:42:48,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:42:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:42:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:42:48,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077767915] [2019-10-15 01:42:48,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:42:48,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:42:48,311 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068591914] [2019-10-15 01:42:48,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:42:48,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:42:48,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:42:48,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:48,313 INFO L87 Difference]: Start difference. First operand 427 states and 725 transitions. Second operand 3 states. [2019-10-15 01:42:48,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:42:48,721 INFO L93 Difference]: Finished difference Result 1183 states and 2050 transitions. [2019-10-15 01:42:48,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:42:48,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-15 01:42:48,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:42:48,723 INFO L225 Difference]: With dead ends: 1183 [2019-10-15 01:42:48,723 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:42:48,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:42:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:42:48,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:42:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:42:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:42:48,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-15 01:42:48,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:42:48,733 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:42:48,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:42:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:42:48,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:42:48,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:42:48,920 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:42:48,921 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:42:48,921 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-15 01:42:48,921 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-15 01:42:48,921 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-15 01:42:48,922 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-15 01:42:48,922 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:42:48,922 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-15 01:42:48,922 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-15 01:42:48,922 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-15 01:42:48,923 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-15 01:42:48,924 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-15 01:42:48,924 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-15 01:42:48,924 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-15 01:42:48,924 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-15 01:42:48,927 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-15 01:42:48,927 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-15 01:42:48,928 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-15 01:42:48,929 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-15 01:42:48,930 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-15 01:42:48,931 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-15 01:42:48,931 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-15 01:42:48,931 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-15 01:42:48,931 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-15 01:42:48,931 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (and (or (not (= ~a25~0 1)) (= 1 |old(~a25~0)|)) (or (= 11 |old(~a28~0)|) (not (= ~a28~0 11))) (or (= ~a28~0 9) (not (= 9 |old(~a28~0)|))) (or (= 1 |old(~a11~0)|) (not (= ~a11~0 1)))) [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-15 01:42:48,932 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-15 01:42:48,933 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-15 01:42:48,934 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-15 01:42:48,935 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-15 01:42:48,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:42:48,935 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (not (= ~a11~0 1)) (not (= ~a28~0 11))) [2019-10-15 01:42:48,935 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:42:48,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:42:48,935 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (and (not (= ~a25~0 1)) (not (= ~a11~0 1)) (not (= ~a28~0 11))) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2019-10-15 01:42:48,935 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= ~a25~0 1)) (not (= ~a11~0 1)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11))) [2019-10-15 01:42:48,936 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-15 01:42:48,936 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-15 01:42:48,936 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= ~a25~0 1)) (not (= ~a11~0 1)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11))) [2019-10-15 01:42:48,936 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-15 01:42:48,936 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-15 01:42:48,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:42:48 BoogieIcfgContainer [2019-10-15 01:42:48,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:42:48,954 INFO L168 Benchmark]: Toolchain (without parser) took 6208.21 ms. Allocated memory was 137.4 MB in the beginning and 304.1 MB in the end (delta: 166.7 MB). Free memory was 100.8 MB in the beginning and 148.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,955 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.97 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 171.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,957 INFO L168 Benchmark]: Boogie Preprocessor took 114.33 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 166.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,958 INFO L168 Benchmark]: RCFGBuilder took 2156.89 ms. Allocated memory was 204.5 MB in the beginning and 253.2 MB in the end (delta: 48.8 MB). Free memory was 166.4 MB in the beginning and 208.6 MB in the end (delta: -42.2 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,960 INFO L168 Benchmark]: TraceAbstraction took 3119.08 ms. Allocated memory was 253.2 MB in the beginning and 304.1 MB in the end (delta: 50.9 MB). Free memory was 208.6 MB in the beginning and 148.1 MB in the end (delta: 60.5 MB). Peak memory consumption was 111.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:42:48,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.97 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 171.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.33 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 166.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2156.89 ms. Allocated memory was 204.5 MB in the beginning and 253.2 MB in the end (delta: 48.8 MB). Free memory was 166.4 MB in the beginning and 208.6 MB in the end (delta: -42.2 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3119.08 ms. Allocated memory was 253.2 MB in the beginning and 304.1 MB in the end (delta: 50.9 MB). Free memory was 208.6 MB in the beginning and 148.1 MB in the end (delta: 60.5 MB). Peak memory consumption was 111.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((1 == \old(a11) || !(a25 == 1)) || !(a11 == 1)) || 11 == \old(a28)) || 1 == \old(a25)) || !(a28 == 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 120 SDtfs, 177 SDslu, 51 SDs, 0 SdLazy, 950 SolverSat, 299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 84 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 23 PreInvPairs, 41 NumberOfFragments, 115 HoareAnnotationTreeSize, 23 FomulaSimplifications, 148 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 111 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 92342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...