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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:40:50,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:40:50,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:40:50,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:40:50,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:40:50,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:40:50,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:40:50,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:40:50,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:40:51,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:40:51,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:40:51,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:40:51,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:40:51,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:40:51,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:40:51,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:40:51,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:40:51,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:40:51,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:40:51,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:40:51,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:40:51,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:40:51,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:40:51,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:40:51,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:40:51,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:40:51,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:40:51,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:40:51,037 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 21:40:51,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:40:51,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:40:51,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:40:51,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:40:51,054 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:40:51,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:40:51,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:40:51,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:40:51,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:40:51,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:40:51,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:40:51,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:40:51,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:40:51,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:40:51,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:40:51,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:40:51,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:40:51,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:40:51,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:40:51,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:40:51,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:40:51,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:40:51,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:40:51,059 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 21:40:51,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:40:51,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:40:51,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:40:51,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:40:51,358 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:40:51,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2019-10-13 21:40:51,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5079ca46/d69b1c4825224743b441f01479f1c2b1/FLAGd1edc7c1d [2019-10-13 21:40:52,084 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:40:52,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2019-10-13 21:40:52,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5079ca46/d69b1c4825224743b441f01479f1c2b1/FLAGd1edc7c1d [2019-10-13 21:40:52,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5079ca46/d69b1c4825224743b441f01479f1c2b1 [2019-10-13 21:40:52,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:40:52,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:40:52,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:52,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:40:52,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:40:52,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:52" (1/1) ... [2019-10-13 21:40:52,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43009ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:52, skipping insertion in model container [2019-10-13 21:40:52,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:52" (1/1) ... [2019-10-13 21:40:52,353 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:40:52,410 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:40:52,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:52,974 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:40:53,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:53,096 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:40:53,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53 WrapperNode [2019-10-13 21:40:53,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:53,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:40:53,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:40:53,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:40:53,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (1/1) ... [2019-10-13 21:40:53,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:40:53,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:40:53,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:40:53,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:40:53,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (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 21:40:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:40:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:40:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:40:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:40:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:40:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:40:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:40:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:40:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:40:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:40:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:40:55,297 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:40:55,298 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:40:55,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:55 BoogieIcfgContainer [2019-10-13 21:40:55,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:40:55,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:40:55,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:40:55,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:40:55,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:40:52" (1/3) ... [2019-10-13 21:40:55,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37402222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:55, skipping insertion in model container [2019-10-13 21:40:55,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:53" (2/3) ... [2019-10-13 21:40:55,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37402222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:55, skipping insertion in model container [2019-10-13 21:40:55,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:55" (3/3) ... [2019-10-13 21:40:55,323 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2019-10-13 21:40:55,339 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:40:55,349 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:40:55,361 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:40:55,395 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:40:55,395 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:40:55,396 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:40:55,396 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:40:55,396 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:40:55,396 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:40:55,396 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:40:55,397 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:40:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-10-13 21:40:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 21:40:55,440 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:55,441 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 21:40:55,443 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:55,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:55,449 INFO L82 PathProgramCache]: Analyzing trace with hash -219358153, now seen corresponding path program 1 times [2019-10-13 21:40:55,459 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:55,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893153272] [2019-10-13 21:40:55,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:55,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:55,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:55,971 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 21:40:55,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893153272] [2019-10-13 21:40:55,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:55,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:40:55,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016514502] [2019-10-13 21:40:55,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:40:55,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:56,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:40:56,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:56,004 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 4 states. [2019-10-13 21:40:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:56,857 INFO L93 Difference]: Finished difference Result 361 states and 678 transitions. [2019-10-13 21:40:56,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:40:56,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2019-10-13 21:40:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:56,875 INFO L225 Difference]: With dead ends: 361 [2019-10-13 21:40:56,875 INFO L226 Difference]: Without dead ends: 259 [2019-10-13 21:40:56,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:56,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-10-13 21:40:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 175. [2019-10-13 21:40:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-13 21:40:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 312 transitions. [2019-10-13 21:40:56,941 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 312 transitions. Word has length 86 [2019-10-13 21:40:56,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:56,942 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 312 transitions. [2019-10-13 21:40:56,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:40:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 312 transitions. [2019-10-13 21:40:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:40:56,947 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:56,948 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 21:40:56,948 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:56,948 INFO L82 PathProgramCache]: Analyzing trace with hash -701892932, now seen corresponding path program 1 times [2019-10-13 21:40:56,949 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:56,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129039373] [2019-10-13 21:40:56,949 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:56,949 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:56,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:40:57,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129039373] [2019-10-13 21:40:57,071 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488624211] [2019-10-13 21:40:57,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:57,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:40:57,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:40:57,240 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 21:40:57,241 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:40:57,285 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 21:40:57,286 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:40:57,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-13 21:40:57,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048298336] [2019-10-13 21:40:57,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:40:57,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:57,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:40:57,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:40:57,289 INFO L87 Difference]: Start difference. First operand 175 states and 312 transitions. Second operand 3 states. [2019-10-13 21:40:57,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:57,716 INFO L93 Difference]: Finished difference Result 345 states and 627 transitions. [2019-10-13 21:40:57,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:40:57,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-13 21:40:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:57,722 INFO L225 Difference]: With dead ends: 345 [2019-10-13 21:40:57,723 INFO L226 Difference]: Without dead ends: 343 [2019-10-13 21:40:57,724 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:40:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-13 21:40:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 259. [2019-10-13 21:40:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-10-13 21:40:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 475 transitions. [2019-10-13 21:40:57,754 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 475 transitions. Word has length 94 [2019-10-13 21:40:57,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:57,755 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 475 transitions. [2019-10-13 21:40:57,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:40:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 475 transitions. [2019-10-13 21:40:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:40:57,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:57,770 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:57,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:57,973 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:57,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:57,974 INFO L82 PathProgramCache]: Analyzing trace with hash -852385241, now seen corresponding path program 1 times [2019-10-13 21:40:57,974 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:57,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818524656] [2019-10-13 21:40:57,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:57,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:57,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:58,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818524656] [2019-10-13 21:40:58,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:58,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:40:58,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544521651] [2019-10-13 21:40:58,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:40:58,194 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:58,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:40:58,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:58,195 INFO L87 Difference]: Start difference. First operand 259 states and 475 transitions. Second operand 4 states. [2019-10-13 21:40:59,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:59,028 INFO L93 Difference]: Finished difference Result 931 states and 1767 transitions. [2019-10-13 21:40:59,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:40:59,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-10-13 21:40:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:59,030 INFO L225 Difference]: With dead ends: 931 [2019-10-13 21:40:59,030 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:40:59,036 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:40:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:40:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:40:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:40:59,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2019-10-13 21:40:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:59,037 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:40:59,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:40:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:40:59,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:40:59,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:40:59,252 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:40:59,253 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:59,253 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 21:40:59,253 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 21:40:59,253 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 21:40:59,253 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 21:40:59,254 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 21:40:59,255 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 21:40:59,256 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 21:40:59,257 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 21:40:59,258 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 21:40:59,259 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (and (or (not (<= 8 |old(~a17~0)|)) (<= 8 ~a17~0)) (or (and (= 1 |old(~a11~0)|) (= |old(~a11~0)| |old(~a19~0)|)) (not (= ~a19~0 ~a11~0)) (not (= ~a11~0 1))) (or (= 9 |old(~a28~0)|) (not (= ~a28~0 9))) (or (not (= 7 |old(~a28~0)|)) (= ~a28~0 7))) [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 21:40:59,260 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 21:40:59,261 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 21:40:59,262 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:59,263 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (= ~a28~0 7) (not (= ~a19~0 ~a11~0))) [2019-10-13 21:40:59,263 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:40:59,263 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:40:59,263 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 7 |old(~a28~0)|)) (not (<= 8 |old(~a17~0)|)) (and (<= 8 ~a17~0) (= ~a28~0 7) (not (= ~a19~0 ~a11~0))) (= |old(~a11~0)| |old(~a19~0)|)) [2019-10-13 21:40:59,263 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= 7 |old(~a28~0)|)) (not (<= 8 |old(~a17~0)|)) (<= 8 ~a17~0) (= |old(~a11~0)| |old(~a19~0)|) (not (= ~a19~0 ~a11~0)) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2019-10-13 21:40:59,263 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:40:59,264 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 21:40:59,264 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 7 |old(~a28~0)|)) (not (<= 8 |old(~a17~0)|)) (<= 8 ~a17~0) (= |old(~a11~0)| |old(~a19~0)|) (not (= ~a19~0 ~a11~0)) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2019-10-13 21:40:59,264 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 21:40:59,264 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 21:40:59,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:40:59 BoogieIcfgContainer [2019-10-13 21:40:59,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:40:59,289 INFO L168 Benchmark]: Toolchain (without parser) took 6955.10 ms. Allocated memory was 138.4 MB in the beginning and 301.5 MB in the end (delta: 163.1 MB). Free memory was 100.8 MB in the beginning and 205.9 MB in the end (delta: -105.1 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,290 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.96 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,292 INFO L168 Benchmark]: Boogie Preprocessor took 114.42 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 165.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,293 INFO L168 Benchmark]: RCFGBuilder took 2087.52 ms. Allocated memory was 203.9 MB in the beginning and 251.1 MB in the end (delta: 47.2 MB). Free memory was 165.8 MB in the beginning and 201.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,294 INFO L168 Benchmark]: TraceAbstraction took 3984.74 ms. Allocated memory was 251.1 MB in the beginning and 301.5 MB in the end (delta: 50.3 MB). Free memory was 201.1 MB in the beginning and 205.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:59,299 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 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.96 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.42 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 165.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2087.52 ms. Allocated memory was 203.9 MB in the beginning and 251.1 MB in the end (delta: 47.2 MB). Free memory was 165.8 MB in the beginning and 201.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3984.74 ms. Allocated memory was 251.1 MB in the beginning and 301.5 MB in the end (delta: 50.3 MB). Free memory was 201.1 MB in the beginning and 205.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: (((((!(7 == \old(a28)) || !(8 <= \old(a17))) || 8 <= a17) || \old(a11) == \old(a19)) || !(a19 == a11)) || !(a11 == 1)) || !(a28 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 99 SDtfs, 298 SDslu, 64 SDs, 0 SdLazy, 1054 SolverSat, 356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 168 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 18 PreInvPairs, 34 NumberOfFragments, 131 HoareAnnotationTreeSize, 18 FomulaSimplifications, 253 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 162 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 475 ConstructedInterpolants, 0 QuantifiedInterpolants, 181177 SizeOfPredicates, 2 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 36/38 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...