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/Problem01_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:40:13,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:40:13,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:40:13,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:40:13,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:40:13,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:40:13,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:40:13,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:40:13,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:40:13,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:40:13,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:40:13,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:40:13,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:40:13,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:40:13,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:40:13,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:40:13,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:40:13,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:40:13,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:40:13,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:40:13,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:40:13,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:40:13,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:40:13,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:40:13,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:40:13,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:40:13,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:40:13,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:40:13,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:40:13,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:40:13,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:40:13,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:40:13,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:40:13,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:40:13,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:40:13,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:40:13,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:40:13,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:40:13,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:40:13,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:40:13,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:40:13,140 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 21:40:13,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:40:13,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:40:13,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:40:13,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:40:13,160 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:40:13,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:40:13,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:40:13,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:40:13,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:40:13,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:40:13,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:40:13,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:40:13,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:40:13,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:40:13,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:40:13,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:40:13,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:40:13,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:40:13,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:40:13,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:40:13,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:40:13,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:40:13,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:40:13,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:40:13,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:40:13,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:40:13,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:40:13,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:40:13,164 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 21:40:13,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:40:13,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:40:13,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:40:13,435 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:40:13,436 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:40:13,436 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2019-10-13 21:40:13,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0/FLAGcaf352d9d [2019-10-13 21:40:14,090 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:40:14,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2019-10-13 21:40:14,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0/FLAGcaf352d9d [2019-10-13 21:40:14,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b71a02cc/9cebee2dfcc34d9599c1fe72b6c7b3f0 [2019-10-13 21:40:14,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:40:14,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:40:14,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:14,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:40:14,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:40:14,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:14" (1/1) ... [2019-10-13 21:40:14,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5014cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:14, skipping insertion in model container [2019-10-13 21:40:14,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:40:14" (1/1) ... [2019-10-13 21:40:14,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:40:14,473 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:40:14,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:14,969 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:40:15,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:40:15,114 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:40:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15 WrapperNode [2019-10-13 21:40:15,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:40:15,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:40:15,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:40:15,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:40:15,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (1/1) ... [2019-10-13 21:40:15,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:40:15,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:40:15,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:40:15,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:40:15,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (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 21:40:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:40:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:40:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:40:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:40:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:40:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:40:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:40:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:40:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:40:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:40:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:40:16,989 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:40:16,990 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:40:16,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:16 BoogieIcfgContainer [2019-10-13 21:40:16,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:40:16,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:40:16,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:40:16,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:40:16,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:40:14" (1/3) ... [2019-10-13 21:40:16,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:16, skipping insertion in model container [2019-10-13 21:40:16,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:40:15" (2/3) ... [2019-10-13 21:40:16,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:40:16, skipping insertion in model container [2019-10-13 21:40:16,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:40:16" (3/3) ... [2019-10-13 21:40:16,999 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2019-10-13 21:40:17,011 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:40:17,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:40:17,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:40:17,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:40:17,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:40:17,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:40:17,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:40:17,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:40:17,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:40:17,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:40:17,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:40:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-13 21:40:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 21:40:17,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:17,087 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] [2019-10-13 21:40:17,089 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:17,095 INFO L82 PathProgramCache]: Analyzing trace with hash 826818404, now seen corresponding path program 1 times [2019-10-13 21:40:17,102 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:17,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412165397] [2019-10-13 21:40:17,102 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:17,103 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:17,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:17,618 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 21:40:17,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412165397] [2019-10-13 21:40:17,620 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:17,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:40:17,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153606417] [2019-10-13 21:40:17,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:40:17,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:17,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:40:17,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:17,645 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2019-10-13 21:40:18,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:18,396 INFO L93 Difference]: Finished difference Result 325 states and 606 transitions. [2019-10-13 21:40:18,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:40:18,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-10-13 21:40:18,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:18,422 INFO L225 Difference]: With dead ends: 325 [2019-10-13 21:40:18,422 INFO L226 Difference]: Without dead ends: 232 [2019-10-13 21:40:18,428 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 21:40:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-10-13 21:40:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 157. [2019-10-13 21:40:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-13 21:40:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 285 transitions. [2019-10-13 21:40:18,521 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 285 transitions. Word has length 77 [2019-10-13 21:40:18,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:18,522 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 285 transitions. [2019-10-13 21:40:18,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:40:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions. [2019-10-13 21:40:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:40:18,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:18,531 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:18,531 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1195668229, now seen corresponding path program 1 times [2019-10-13 21:40:18,533 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:18,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560608686] [2019-10-13 21:40:18,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:18,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:18,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:18,683 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560608686] [2019-10-13 21:40:18,683 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:18,683 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:40:18,683 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777729884] [2019-10-13 21:40:18,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:40:18,685 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:18,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:40:18,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:40:18,686 INFO L87 Difference]: Start difference. First operand 157 states and 285 transitions. Second operand 6 states. [2019-10-13 21:40:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:19,231 INFO L93 Difference]: Finished difference Result 402 states and 744 transitions. [2019-10-13 21:40:19,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:40:19,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-13 21:40:19,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:19,235 INFO L225 Difference]: With dead ends: 402 [2019-10-13 21:40:19,235 INFO L226 Difference]: Without dead ends: 250 [2019-10-13 21:40:19,237 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 21:40:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-13 21:40:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 236. [2019-10-13 21:40:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-13 21:40:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 416 transitions. [2019-10-13 21:40:19,259 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 416 transitions. Word has length 87 [2019-10-13 21:40:19,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:19,259 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 416 transitions. [2019-10-13 21:40:19,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:40:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 416 transitions. [2019-10-13 21:40:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:40:19,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:19,262 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:19,263 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2128689833, now seen corresponding path program 1 times [2019-10-13 21:40:19,263 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:19,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096217849] [2019-10-13 21:40:19,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:19,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:19,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:19,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096217849] [2019-10-13 21:40:19,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:19,384 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:40:19,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054054406] [2019-10-13 21:40:19,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:40:19,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:19,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:40:19,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:40:19,390 INFO L87 Difference]: Start difference. First operand 236 states and 416 transitions. Second operand 4 states. [2019-10-13 21:40:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:20,057 INFO L93 Difference]: Finished difference Result 617 states and 1114 transitions. [2019-10-13 21:40:20,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:40:20,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-13 21:40:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:20,064 INFO L225 Difference]: With dead ends: 617 [2019-10-13 21:40:20,064 INFO L226 Difference]: Without dead ends: 386 [2019-10-13 21:40:20,066 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 21:40:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-13 21:40:20,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 311. [2019-10-13 21:40:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2019-10-13 21:40:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 521 transitions. [2019-10-13 21:40:20,092 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 521 transitions. Word has length 88 [2019-10-13 21:40:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:20,093 INFO L462 AbstractCegarLoop]: Abstraction has 311 states and 521 transitions. [2019-10-13 21:40:20,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:40:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 521 transitions. [2019-10-13 21:40:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:40:20,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:20,096 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:40:20,096 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:20,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:20,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1557874767, now seen corresponding path program 1 times [2019-10-13 21:40:20,097 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:20,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944193626] [2019-10-13 21:40:20,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:20,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:20,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:40:20,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944193626] [2019-10-13 21:40:20,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:40:20,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:40:20,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515421528] [2019-10-13 21:40:20,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:40:20,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:20,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:40:20,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:40:20,188 INFO L87 Difference]: Start difference. First operand 311 states and 521 transitions. Second operand 3 states. [2019-10-13 21:40:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:20,580 INFO L93 Difference]: Finished difference Result 842 states and 1445 transitions. [2019-10-13 21:40:20,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:40:20,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-13 21:40:20,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:20,582 INFO L225 Difference]: With dead ends: 842 [2019-10-13 21:40:20,582 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:40:20,584 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 21:40:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:40:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:40:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:40:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:40:20,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2019-10-13 21:40:20,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:20,586 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:40:20,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:40:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:40:20,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:40:20,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:40:20,836 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-10-13 21:40:20,924 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~a16~0 |old(~a16~0)|) [2019-10-13 21:40:20,924 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 21:40:20,925 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 21:40:20,926 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:20,927 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 21:40:20,928 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 21:40:20,929 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 21:40:20,930 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 21:40:20,931 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 21:40:20,932 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 21:40:20,932 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 21:40:20,932 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 21:40:20,932 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 21:40:20,932 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~a20~0)|))) (.cse1 (and (= |old(~a7~0)| |old(~a17~0)|) (= 1 |old(~a17~0)|))) (.cse3 (= ~a20~0 1)) (.cse0 (= ~a16~0 |old(~a16~0)|))) (and (or (and .cse0 (or (not (= 1 ~a7~0)) (not (= ~a17~0 1)))) .cse1) (or (= 6 |old(~a16~0)|) .cse2 (and .cse0 .cse3)) (or .cse2 .cse1 .cse3) (or .cse0 (not (= 4 |old(~a16~0)|))))) [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 21:40:20,933 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 21:40:20,934 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 21:40:20,935 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-10-13 21:40:20,936 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 21:40:20,936 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:40:20,936 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 ~a17~0)) (not (= ~a16~0 6)) (= ~a20~0 1)) [2019-10-13 21:40:20,936 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:40:20,936 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:40:20,936 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a7~0 ~a17~0)) (= ~a16~0 |old(~a16~0)|) (= ~a20~0 1))) [2019-10-13 21:40:20,937 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 21:40:20,937 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (or (not (= 1 ~a7~0)) (not (= ~a17~0 1))) (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a16~0 6)) (= ~a20~0 1))) [2019-10-13 21:40:20,937 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 21:40:20,937 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 21:40:20,937 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (or (not (= 1 ~a7~0)) (not (= ~a17~0 1))) (= ~a16~0 4) (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= |old(~a7~0)| |old(~a17~0)|) (and (not (= ~a16~0 6)) (= ~a20~0 1))) [2019-10-13 21:40:20,937 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 21:40:20,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:40:20 BoogieIcfgContainer [2019-10-13 21:40:20,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:40:20,956 INFO L168 Benchmark]: Toolchain (without parser) took 6556.63 ms. Allocated memory was 139.5 MB in the beginning and 294.6 MB in the end (delta: 155.2 MB). Free memory was 101.3 MB in the beginning and 148.8 MB in the end (delta: -47.4 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:20,957 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 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 21:40:20,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.54 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 166.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:20,959 INFO L168 Benchmark]: Boogie Preprocessor took 127.12 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 162.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:20,960 INFO L168 Benchmark]: RCFGBuilder took 1746.00 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 162.1 MB in the beginning and 208.4 MB in the end (delta: -46.4 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:20,961 INFO L168 Benchmark]: TraceAbstraction took 3961.72 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 206.6 MB in the beginning and 148.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:40:20,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 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 714.54 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 166.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.12 ms. Allocated memory is still 205.0 MB. Free memory was 166.8 MB in the beginning and 162.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1746.00 ms. Allocated memory was 205.0 MB in the beginning and 249.0 MB in the end (delta: 44.0 MB). Free memory was 162.1 MB in the beginning and 208.4 MB in the end (delta: -46.4 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3961.72 ms. Allocated memory was 249.0 MB in the beginning and 294.6 MB in the end (delta: 45.6 MB). Free memory was 206.6 MB in the beginning and 148.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 476]: 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: 583]: Loop Invariant Derived loop invariant: (((((!(1 == a7) || !(a17 == 1)) || a16 == 4) || 6 == \old(a16)) || !(1 == \old(a20))) || \old(a7) == \old(a17)) || (!(a16 == 6) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 86 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 245 SDtfs, 482 SDslu, 103 SDs, 0 SdLazy, 1485 SolverSat, 366 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred 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, 164 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 23 PreInvPairs, 37 NumberOfFragments, 160 HoareAnnotationTreeSize, 23 FomulaSimplifications, 478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 267 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 106500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 27/27 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...