./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35ec611011aa6867bf0bb36080e273ba993b072e ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:34,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:34,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:34,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:34,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:34,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:34,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:34,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:34,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:34,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:34,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:34,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:34,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:34,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:34,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:34,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:34,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:34,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:34,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:34,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:34,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:34,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:34,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:34,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:34,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:34,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:34,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:34,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:34,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:34,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:34,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:34,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:34,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:34,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:34,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:34,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:34,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:34,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:34,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:34,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:35,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:35,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:35,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:35,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:35,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:35,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:35,029 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:35,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:35,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:35,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:35,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:35,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:35,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:35,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:35,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:35,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:35,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:35,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:35,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:35,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:35,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:35,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:35,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:35,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:35,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:35,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:35,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:35,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:35,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:35,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35ec611011aa6867bf0bb36080e273ba993b072e [2019-11-19 21:22:35,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:35,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:35,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:35,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:35,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:35,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-11-19 21:22:35,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275df089b/519111a08b794a8ab6eddc758a7e1752/FLAGdfbb4b9b9 [2019-11-19 21:22:35,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:35,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2019-11-19 21:22:35,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275df089b/519111a08b794a8ab6eddc758a7e1752/FLAGdfbb4b9b9 [2019-11-19 21:22:36,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275df089b/519111a08b794a8ab6eddc758a7e1752 [2019-11-19 21:22:36,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:36,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:36,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:36,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:36,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:36,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc4a578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36, skipping insertion in model container [2019-11-19 21:22:36,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:36,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:36,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:36,730 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:36,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:36,863 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:36,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36 WrapperNode [2019-11-19 21:22:36,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:36,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:36,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:36,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:36,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:36,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:36,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:36,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:36,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (1/1) ... [2019-11-19 21:22:36,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:36,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:36,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:36,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:36,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (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 [2019-11-19 21:22:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:37,781 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:37,781 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-19 21:22:37,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:37 BoogieIcfgContainer [2019-11-19 21:22:37,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:37,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:37,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:37,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:37,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:36" (1/3) ... [2019-11-19 21:22:37,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919e9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:37, skipping insertion in model container [2019-11-19 21:22:37,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:36" (2/3) ... [2019-11-19 21:22:37,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919e9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:37, skipping insertion in model container [2019-11-19 21:22:37,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:37" (3/3) ... [2019-11-19 21:22:37,793 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2019-11-19 21:22:37,802 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:37,812 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:37,823 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:37,858 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:37,858 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:37,858 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:37,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:37,859 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:37,859 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:37,859 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:37,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-19 21:22:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:37,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:37,882 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:37,883 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:37,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:37,888 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2019-11-19 21:22:37,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:37,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216006125] [2019-11-19 21:22:37,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:38,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216006125] [2019-11-19 21:22:38,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:38,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:38,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291711742] [2019-11-19 21:22:38,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:38,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:38,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:38,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:38,203 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-19 21:22:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:38,232 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-19 21:22:38,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:38,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:38,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:38,246 INFO L225 Difference]: With dead ends: 144 [2019-11-19 21:22:38,246 INFO L226 Difference]: Without dead ends: 71 [2019-11-19 21:22:38,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-19 21:22:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-19 21:22:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-19 21:22:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-19 21:22:38,296 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-11-19 21:22:38,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:38,296 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-19 21:22:38,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-19 21:22:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:38,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:38,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:38,298 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:38,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:38,299 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2019-11-19 21:22:38,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:38,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922502631] [2019-11-19 21:22:38,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:38,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:38,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922502631] [2019-11-19 21:22:38,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:38,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:38,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612466368] [2019-11-19 21:22:38,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:38,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:38,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:38,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:38,431 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-19 21:22:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:38,443 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-19 21:22:38,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:38,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:38,445 INFO L225 Difference]: With dead ends: 71 [2019-11-19 21:22:38,445 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 21:22:38,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 21:22:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 21:22:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 21:22:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-19 21:22:38,453 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-11-19 21:22:38,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:38,454 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-19 21:22:38,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-19 21:22:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:38,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:38,456 INFO L410 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] [2019-11-19 21:22:38,456 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2019-11-19 21:22:38,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:38,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012142914] [2019-11-19 21:22:38,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:38,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012142914] [2019-11-19 21:22:38,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:38,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:38,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051837313] [2019-11-19 21:22:38,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:38,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:38,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:38,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:38,598 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-11-19 21:22:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:38,721 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-19 21:22:38,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:38,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-19 21:22:38,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:38,725 INFO L225 Difference]: With dead ends: 60 [2019-11-19 21:22:38,726 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 21:22:38,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 21:22:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 21:22:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 21:22:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-19 21:22:38,740 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-11-19 21:22:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:38,741 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-19 21:22:38,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-19 21:22:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:22:38,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:38,745 INFO L410 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] [2019-11-19 21:22:38,745 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:38,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:38,746 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2019-11-19 21:22:38,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:38,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150361139] [2019-11-19 21:22:38,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:38,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150361139] [2019-11-19 21:22:38,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:38,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:38,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503202377] [2019-11-19 21:22:38,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:38,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:38,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:38,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:38,842 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-11-19 21:22:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:38,942 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2019-11-19 21:22:38,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:38,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-19 21:22:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:38,944 INFO L225 Difference]: With dead ends: 158 [2019-11-19 21:22:38,944 INFO L226 Difference]: Without dead ends: 131 [2019-11-19 21:22:38,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:38,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-19 21:22:38,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2019-11-19 21:22:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-19 21:22:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2019-11-19 21:22:38,959 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2019-11-19 21:22:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:38,959 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2019-11-19 21:22:38,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-11-19 21:22:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:22:38,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:38,961 INFO L410 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] [2019-11-19 21:22:38,962 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2019-11-19 21:22:38,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:38,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731114609] [2019-11-19 21:22:38,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:22:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:22:39,144 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:22:39,145 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:22:39,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:39 BoogieIcfgContainer [2019-11-19 21:22:39,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:39,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:39,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:39,274 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:39,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:37" (3/4) ... [2019-11-19 21:22:39,277 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 21:22:39,399 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:39,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:39,403 INFO L168 Benchmark]: Toolchain (without parser) took 3152.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.7 MB in the beginning and 924.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 158.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,403 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:39,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:39,405 INFO L168 Benchmark]: Boogie Preprocessor took 41.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,406 INFO L168 Benchmark]: RCFGBuilder took 803.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,407 INFO L168 Benchmark]: TraceAbstraction took 1489.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.6 MB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,407 INFO L168 Benchmark]: Witness Printer took 126.01 ms. Allocated memory is still 1.2 GB. Free memory was 938.6 MB in the beginning and 924.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:39,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 803.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1489.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.6 MB in the end (delta: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. * Witness Printer took 126.01 ms. Allocated memory is still 1.2 GB. Free memory was 938.6 MB in the beginning and 924.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) [L312] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 368 SDslu, 175 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, 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, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...