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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:57:38,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 00:57:38,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 00:57:38,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 00:57:38,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 00:57:38,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 00:57:38,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 00:57:38,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 00:57:38,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 00:57:38,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 00:57:38,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 00:57:39,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 00:57:39,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 00:57:39,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 00:57:39,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 00:57:39,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 00:57:39,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 00:57:39,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 00:57:39,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 00:57:39,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 00:57:39,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 00:57:39,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 00:57:39,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 00:57:39,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 00:57:39,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 00:57:39,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 00:57:39,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 00:57:39,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 00:57:39,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 00:57:39,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 00:57:39,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 00:57:39,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 00:57:39,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 00:57:39,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 00:57:39,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 00:57:39,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 00:57:39,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 00:57:39,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 00:57:39,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:57:39,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:57:39,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:57:39,027 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 [2019-10-07 00:57:39,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:57:39,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:57:39,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:57:39,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:57:39,042 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:57:39,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:57:39,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:57:39,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:57:39,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:57:39,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:57:39,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:57:39,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:57:39,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:57:39,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:57:39,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:57:39,044 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:57:39,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:57:39,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:57:39,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:57:39,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:57:39,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:57:39,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:57:39,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:57:39,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:57:39,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:57:39,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:57:39,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:57:39,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:57:39,047 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 [2019-10-07 00:57:39,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:57:39,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:57:39,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:57:39,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:57:39,348 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:57:39,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-07 00:57:39,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6ad8541/174509ebca284cc5a1ce4076a09dde49/FLAG5cc6a6a08 [2019-10-07 00:57:40,012 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:57:40,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-07 00:57:40,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6ad8541/174509ebca284cc5a1ce4076a09dde49/FLAG5cc6a6a08 [2019-10-07 00:57:40,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6ad8541/174509ebca284cc5a1ce4076a09dde49 [2019-10-07 00:57:40,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:57:40,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:57:40,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:57:40,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:57:40,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:57:40,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:57:40" (1/1) ... [2019-10-07 00:57:40,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6836b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:40, skipping insertion in model container [2019-10-07 00:57:40,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:57:40" (1/1) ... [2019-10-07 00:57:40,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:57:40,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:57:40,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:57:40,875 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:57:41,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:57:41,033 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:57:41,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41 WrapperNode [2019-10-07 00:57:41,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:57:41,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:57:41,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:57:41,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:57:41,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (1/1) ... [2019-10-07 00:57:41,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:57:41,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:57:41,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:57:41,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:57:41,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (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 [2019-10-07 00:57:41,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:57:41,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:57:41,331 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-07 00:57:41,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:57:41,331 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-07 00:57:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:57:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:57:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 00:57:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:57:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:57:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:57:43,744 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:57:43,744 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 00:57:43,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:57:43 BoogieIcfgContainer [2019-10-07 00:57:43,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:57:43,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:57:43,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:57:43,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:57:43,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:57:40" (1/3) ... [2019-10-07 00:57:43,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:57:43, skipping insertion in model container [2019-10-07 00:57:43,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:57:41" (2/3) ... [2019-10-07 00:57:43,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:57:43, skipping insertion in model container [2019-10-07 00:57:43,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:57:43" (3/3) ... [2019-10-07 00:57:43,757 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2019-10-07 00:57:43,768 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:57:43,777 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:57:43,789 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:57:43,817 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:57:43,817 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:57:43,818 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:57:43,818 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:57:43,818 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:57:43,818 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:57:43,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:57:43,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:57:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-07 00:57:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-07 00:57:43,852 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:57:43,854 INFO L385 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] [2019-10-07 00:57:43,856 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:57:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:57:43,863 INFO L82 PathProgramCache]: Analyzing trace with hash -219358665, now seen corresponding path program 1 times [2019-10-07 00:57:43,872 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:57:43,873 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:43,873 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:43,873 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:57:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:57:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:57:44,375 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:44,375 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:57:44,376 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:57:44,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:57:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:57:44,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:57:44,402 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-07 00:57:45,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:57:45,062 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-07 00:57:45,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:57:45,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-07 00:57:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:57:45,105 INFO L225 Difference]: With dead ends: 273 [2019-10-07 00:57:45,106 INFO L226 Difference]: Without dead ends: 175 [2019-10-07 00:57:45,110 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:57:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-07 00:57:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-07 00:57:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-07 00:57:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-07 00:57:45,178 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-07 00:57:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:57:45,179 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-07 00:57:45,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:57:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-07 00:57:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-07 00:57:45,184 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:57:45,185 INFO L385 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] [2019-10-07 00:57:45,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:57:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:57:45,186 INFO L82 PathProgramCache]: Analyzing trace with hash -701893444, now seen corresponding path program 1 times [2019-10-07 00:57:45,186 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:57:45,186 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:45,186 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:45,187 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:45,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:57:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:57:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:57:45,349 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:45,349 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:57:45,350 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:57:45,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:57:45,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:57:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:57:45,353 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 3 states. [2019-10-07 00:57:45,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:57:45,862 INFO L93 Difference]: Finished difference Result 513 states and 937 transitions. [2019-10-07 00:57:45,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:57:45,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-07 00:57:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:57:45,869 INFO L225 Difference]: With dead ends: 513 [2019-10-07 00:57:45,870 INFO L226 Difference]: Without dead ends: 343 [2019-10-07 00:57:45,872 INFO L606 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 [2019-10-07 00:57:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-07 00:57:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-07 00:57:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-07 00:57:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 575 transitions. [2019-10-07 00:57:45,907 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 575 transitions. Word has length 94 [2019-10-07 00:57:45,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:57:45,909 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 575 transitions. [2019-10-07 00:57:45,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:57:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 575 transitions. [2019-10-07 00:57:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-07 00:57:45,916 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:57:45,917 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:57:45,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:57:45,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:57:45,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1307297121, now seen corresponding path program 1 times [2019-10-07 00:57:45,918 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:57:45,918 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:45,919 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:45,919 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:45,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:57:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:57:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:57:46,097 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:46,098 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:57:46,099 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 00:57:46,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 00:57:46,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 00:57:46,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-07 00:57:46,103 INFO L87 Difference]: Start difference. First operand 343 states and 575 transitions. Second operand 6 states. [2019-10-07 00:57:46,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:57:46,772 INFO L93 Difference]: Finished difference Result 1059 states and 1887 transitions. [2019-10-07 00:57:46,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 00:57:46,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-07 00:57:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:57:46,781 INFO L225 Difference]: With dead ends: 1059 [2019-10-07 00:57:46,782 INFO L226 Difference]: Without dead ends: 721 [2019-10-07 00:57:46,786 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-07 00:57:46,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-10-07 00:57:46,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 703. [2019-10-07 00:57:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-10-07 00:57:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1170 transitions. [2019-10-07 00:57:46,850 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1170 transitions. Word has length 108 [2019-10-07 00:57:46,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:57:46,850 INFO L462 AbstractCegarLoop]: Abstraction has 703 states and 1170 transitions. [2019-10-07 00:57:46,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 00:57:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1170 transitions. [2019-10-07 00:57:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 00:57:46,856 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:57:46,857 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:57:46,857 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:57:46,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:57:46,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2071208683, now seen corresponding path program 1 times [2019-10-07 00:57:46,858 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:57:46,858 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:46,858 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:46,858 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:57:46,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:57:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:57:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 00:57:46,949 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:57:46,949 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:57:46,949 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 00:57:46,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 00:57:46,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 00:57:46,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-07 00:57:46,951 INFO L87 Difference]: Start difference. First operand 703 states and 1170 transitions. Second operand 6 states. [2019-10-07 00:57:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:57:47,811 INFO L93 Difference]: Finished difference Result 1781 states and 3029 transitions. [2019-10-07 00:57:47,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 00:57:47,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2019-10-07 00:57:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:57:47,812 INFO L225 Difference]: With dead ends: 1781 [2019-10-07 00:57:47,813 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 00:57:47,818 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-07 00:57:47,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 00:57:47,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 00:57:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 00:57:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 00:57:47,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-10-07 00:57:47,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:57:47,820 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 00:57:47,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 00:57:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 00:57:47,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 00:57:47,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 00:57:48,110 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-07 00:57:48,189 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-07 00:57:48,190 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-07 00:57:48,191 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-07 00:57:48,192 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-07 00:57:48,193 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-07 00:57:48,194 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-07 00:57:48,195 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-07 00:57:48,196 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-07 00:57:48,197 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-07 00:57:48,198 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-07 00:57:48,199 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a25~0)|)) (.cse2 (= 11 |old(~a28~0)|)) (.cse3 (= 1 |old(~a11~0)|)) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse4 (not (= 1 ~a11~0))) (.cse6 (= ~a19~0 1)) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a25~0 |old(~a25~0)|))) (and (or (and .cse0 .cse1) .cse2) (or .cse3 (and .cse4 .cse0 .cse1) .cse5) (or .cse6 .cse7 .cse2) (or .cse7 (and .cse6 .cse0 .cse1) .cse5) (or .cse3 .cse4 .cse2) (or .cse3 .cse7 (and .cse4 .cse6 .cse0 .cse1)))) [2019-10-07 00:57:48,199 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-07 00:57:48,199 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-07 00:57:48,199 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-07 00:57:48,199 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-07 00:57:48,200 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-07 00:57:48,201 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-07 00:57:48,202 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 00:57:48,203 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= 1 ~a11~0)) (not (= ~a25~0 1)) (= ~a19~0 1) (not (= ~a28~0 11))) [2019-10-07 00:57:48,203 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 00:57:48,203 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 00:57:48,203 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|)) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (and (not (= 1 ~a11~0)) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|))) [2019-10-07 00:57:48,203 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse2 (not (= 1 ~a11~0))) (.cse0 (not (= ~a25~0 1)))) (or (= 1 |old(~a11~0)|) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse0) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11)))) [2019-10-07 00:57:48,204 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-07 00:57:48,204 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-07 00:57:48,204 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse2 (not (= 1 ~a11~0))) (.cse0 (not (= ~a25~0 1)))) (or (= 1 |old(~a11~0)|) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse0) (= 11 |old(~a28~0)|) (= 1 |old(~a25~0)|) (not (= ~a28~0 11)))) [2019-10-07 00:57:48,204 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-07 00:57:48,204 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-07 00:57:48,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 12:57:48 BoogieIcfgContainer [2019-10-07 00:57:48,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 00:57:48,228 INFO L168 Benchmark]: Toolchain (without parser) took 7942.13 ms. Allocated memory was 138.4 MB in the beginning and 291.0 MB in the end (delta: 152.6 MB). Free memory was 101.3 MB in the beginning and 144.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,229 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.47 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 164.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,231 INFO L168 Benchmark]: Boogie Preprocessor took 192.14 ms. Allocated memory is still 203.9 MB. Free memory was 164.8 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,232 INFO L168 Benchmark]: RCFGBuilder took 2520.47 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 159.9 MB in the beginning and 194.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,233 INFO L168 Benchmark]: TraceAbstraction took 4476.92 ms. Allocated memory was 248.5 MB in the beginning and 291.0 MB in the end (delta: 42.5 MB). Free memory was 193.1 MB in the beginning and 144.6 MB in the end (delta: 48.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2019-10-07 00:57:48,238 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.47 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 164.8 MB in the end (delta: -63.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 192.14 ms. Allocated memory is still 203.9 MB. Free memory was 164.8 MB in the beginning and 159.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2520.47 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 159.9 MB in the beginning and 194.9 MB in the end (delta: -35.0 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4476.92 ms. Allocated memory was 248.5 MB in the beginning and 291.0 MB in the end (delta: 42.5 MB). Free memory was 193.1 MB in the beginning and 144.6 MB in the end (delta: 48.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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) && a19 == 1)) || (!(1 == a11) && a19 == 1)) || !(1 == \old(a19))) || (!(1 == a11) && !(a25 == 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: 4.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 144 SDtfs, 689 SDslu, 117 SDs, 0 SdLazy, 1404 SolverSat, 390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=703occurred in iteration=3, 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, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 63 NumberOfFragments, 230 HoareAnnotationTreeSize, 35 FomulaSimplifications, 466 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 101941 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 49/49 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...