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-f4eb214f-m [2019-10-13 21:41:05,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:41:05,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:41:05,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:41:05,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:41:05,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:41:05,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:41:05,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:41:05,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:41:05,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:41:05,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:41:05,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:41:05,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:41:05,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:41:05,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:41:05,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:41:05,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:41:05,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:41:05,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:41:05,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:41:05,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:41:05,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:41:05,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:41:05,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:41:05,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:41:05,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:41:05,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:41:05,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:41:05,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:41:05,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:41:05,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:41:05,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:41:05,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:41:05,972 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:41:05,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:41:05,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:41:05,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:41:05,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:41:05,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:41:05,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:41:05,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:41:05,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:41:05,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:41:05,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:41:05,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:41:05,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:41:05,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:41:05,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:41:05,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:41:05,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:41:05,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:41:05,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:41:05,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:41:05,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:41:05,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:41:05,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:41:05,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:41:05,978 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 [2019-10-13 21:41:06,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:41:06,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:41:06,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:41:06,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:41:06,275 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:41:06,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-13 21:41:06,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7fecbe6/fc4d70c14c274577999e218c3921fd6c/FLAG903c0611d [2019-10-13 21:41:06,930 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:41:06,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-10-13 21:41:06,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7fecbe6/fc4d70c14c274577999e218c3921fd6c/FLAG903c0611d [2019-10-13 21:41:07,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7fecbe6/fc4d70c14c274577999e218c3921fd6c [2019-10-13 21:41:07,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:41:07,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:41:07,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:41:07,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:41:07,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:41:07,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:41:07" (1/1) ... [2019-10-13 21:41:07,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:07, skipping insertion in model container [2019-10-13 21:41:07,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:41:07" (1/1) ... [2019-10-13 21:41:07,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:41:07,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:41:07,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:41:07,869 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:41:07,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:41:08,002 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:41:08,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08 WrapperNode [2019-10-13 21:41:08,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:41:08,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:41:08,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:41:08,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:41:08,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... [2019-10-13 21:41:08,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:41:08,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:41:08,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:41:08,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:41:08,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:41:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:41:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:41:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:41:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:41:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:41:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:41:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:41:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:41:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:41:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:41:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:41:10,289 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:41:10,290 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:41:10,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:41:10 BoogieIcfgContainer [2019-10-13 21:41:10,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:41:10,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:41:10,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:41:10,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:41:10,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:41:07" (1/3) ... [2019-10-13 21:41:10,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40841c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:41:10, skipping insertion in model container [2019-10-13 21:41:10,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:41:08" (2/3) ... [2019-10-13 21:41:10,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40841c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:41:10, skipping insertion in model container [2019-10-13 21:41:10,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:41:10" (3/3) ... [2019-10-13 21:41:10,300 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label18.c [2019-10-13 21:41:10,311 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:41:10,320 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:41:10,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:41:10,362 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:41:10,363 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:41:10,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:41:10,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:41:10,365 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:41:10,365 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:41:10,366 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:41:10,366 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:41:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-13 21:41:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 21:41:10,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:10,407 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] [2019-10-13 21:41:10,409 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -219358665, now seen corresponding path program 1 times [2019-10-13 21:41:10,425 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:10,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33810967] [2019-10-13 21:41:10,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:10,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:10,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:10,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33810967] [2019-10-13 21:41:10,910 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:10,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:41:10,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577140257] [2019-10-13 21:41:10,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:41:10,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:10,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:41:10,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:41:10,940 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-10-13 21:41:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:11,545 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-10-13 21:41:11,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:41:11,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-13 21:41:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:11,565 INFO L225 Difference]: With dead ends: 273 [2019-10-13 21:41:11,565 INFO L226 Difference]: Without dead ends: 175 [2019-10-13 21:41:11,570 INFO L600 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 [2019-10-13 21:41:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-13 21:41:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-10-13 21:41:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-13 21:41:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-13 21:41:11,656 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-13 21:41:11,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:11,658 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-13 21:41:11,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:41:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-13 21:41:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:41:11,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:11,672 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] [2019-10-13 21:41:11,673 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash -701893444, now seen corresponding path program 1 times [2019-10-13 21:41:11,673 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:11,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808856627] [2019-10-13 21:41:11,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:11,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:11,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:11,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808856627] [2019-10-13 21:41:11,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:11,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:41:11,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330692310] [2019-10-13 21:41:11,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:41:11,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:11,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:41:11,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:41:11,857 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 3 states. [2019-10-13 21:41:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:12,277 INFO L93 Difference]: Finished difference Result 513 states and 937 transitions. [2019-10-13 21:41:12,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:41:12,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-13 21:41:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:12,286 INFO L225 Difference]: With dead ends: 513 [2019-10-13 21:41:12,286 INFO L226 Difference]: Without dead ends: 343 [2019-10-13 21:41:12,292 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 [2019-10-13 21:41:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-13 21:41:12,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-13 21:41:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-13 21:41:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 575 transitions. [2019-10-13 21:41:12,324 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 575 transitions. Word has length 94 [2019-10-13 21:41:12,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:12,326 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 575 transitions. [2019-10-13 21:41:12,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:41:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 575 transitions. [2019-10-13 21:41:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:41:12,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:12,335 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:12,336 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:12,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:12,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1307297121, now seen corresponding path program 1 times [2019-10-13 21:41:12,337 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:12,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108214936] [2019-10-13 21:41:12,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:12,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:12,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:12,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108214936] [2019-10-13 21:41:12,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:12,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:41:12,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786491301] [2019-10-13 21:41:12,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:41:12,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:12,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:41:12,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:41:12,501 INFO L87 Difference]: Start difference. First operand 343 states and 575 transitions. Second operand 6 states. [2019-10-13 21:41:13,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:13,195 INFO L93 Difference]: Finished difference Result 1059 states and 1887 transitions. [2019-10-13 21:41:13,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:41:13,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-13 21:41:13,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:13,217 INFO L225 Difference]: With dead ends: 1059 [2019-10-13 21:41:13,218 INFO L226 Difference]: Without dead ends: 721 [2019-10-13 21:41:13,222 INFO L600 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 [2019-10-13 21:41:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-10-13 21:41:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 703. [2019-10-13 21:41:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-10-13 21:41:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1170 transitions. [2019-10-13 21:41:13,306 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1170 transitions. Word has length 108 [2019-10-13 21:41:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:13,307 INFO L462 AbstractCegarLoop]: Abstraction has 703 states and 1170 transitions. [2019-10-13 21:41:13,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:41:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1170 transitions. [2019-10-13 21:41:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-13 21:41:13,320 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:41:13,320 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:41:13,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:41:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:41:13,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2071208683, now seen corresponding path program 1 times [2019-10-13 21:41:13,321 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:41:13,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540873100] [2019-10-13 21:41:13,322 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,322 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:41:13,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:41:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:41:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:41:13,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540873100] [2019-10-13 21:41:13,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:41:13,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:41:13,409 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962069629] [2019-10-13 21:41:13,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:41:13,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:41:13,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:41:13,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:41:13,411 INFO L87 Difference]: Start difference. First operand 703 states and 1170 transitions. Second operand 6 states. [2019-10-13 21:41:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:41:14,152 INFO L93 Difference]: Finished difference Result 1781 states and 3029 transitions. [2019-10-13 21:41:14,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:41:14,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2019-10-13 21:41:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:41:14,153 INFO L225 Difference]: With dead ends: 1781 [2019-10-13 21:41:14,153 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:41:14,159 INFO L600 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 [2019-10-13 21:41:14,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:41:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:41:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:41:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:41:14,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-10-13 21:41:14,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:41:14,161 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:41:14,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:41:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:41:14,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:41:14,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:41:14,447 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-13 21:41:14,510 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)|)) [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,510 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 21:41:14,511 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 21:41:14,512 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 21:41:14,513 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 21:41:14,514 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 21:41:14,515 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 21:41:14,516 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 21:41:14,517 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 21:41:14,518 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 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)))) [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 21:41:14,519 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 21:41:14,520 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 21:41:14,520 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2019-10-13 21:41:14,520 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 21:41:14,520 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 21:41:14,520 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 21:41:14,521 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 21:41:14,522 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 21:41:14,523 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,523 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))) [2019-10-13 21:41:14,523 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:41:14,524 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:41:14,524 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)|))) [2019-10-13 21:41:14,524 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)))) [2019-10-13 21:41:14,524 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:41:14,524 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:41:14,525 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)))) [2019-10-13 21:41:14,525 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 21:41:14,525 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 21:41:14,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:41:14 BoogieIcfgContainer [2019-10-13 21:41:14,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:41:14,545 INFO L168 Benchmark]: Toolchain (without parser) took 7294.77 ms. Allocated memory was 139.5 MB in the beginning and 288.9 MB in the end (delta: 149.4 MB). Free memory was 101.1 MB in the beginning and 128.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,546 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.32 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 170.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,548 INFO L168 Benchmark]: Boogie Preprocessor took 97.93 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,549 INFO L168 Benchmark]: RCFGBuilder took 2189.66 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 165.9 MB in the beginning and 194.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,550 INFO L168 Benchmark]: TraceAbstraction took 4250.12 ms. Allocated memory was 249.0 MB in the beginning and 288.9 MB in the end (delta: 39.8 MB). Free memory was 194.6 MB in the beginning and 128.0 MB in the end (delta: 66.6 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:41:14,555 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 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.32 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 170.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.93 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2189.66 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 165.9 MB in the beginning and 194.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4250.12 ms. Allocated memory was 249.0 MB in the beginning and 288.9 MB in the end (delta: 39.8 MB). Free memory was 194.6 MB in the beginning and 128.0 MB in the end (delta: 66.6 MB). Peak memory consumption was 106.4 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: 4.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 144 SDtfs, 689 SDslu, 117 SDs, 0 SdLazy, 1404 SolverSat, 390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s 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, 0.2s 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...