./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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_spec4_product18.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 7139998cc0921a9b712bced77cbd2064338f38d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:57:44,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:57:44,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:57:44,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:57:44,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:57:44,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:57:44,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:57:44,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:57:44,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:57:44,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:57:44,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:57:44,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:57:44,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:57:44,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:57:44,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:57:44,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:57:44,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:57:44,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:57:44,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:57:44,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:57:44,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:57:44,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:57:44,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:57:44,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:57:44,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:57:44,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:57:44,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:57:44,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:57:44,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:57:44,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:57:44,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:57:44,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:57:44,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:57:44,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:57:44,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:57:44,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:57:44,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:57:44,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:57:44,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:57:44,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:57:44,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:57:44,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:57:45,008 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:57:45,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:57:45,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:57:45,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:57:45,011 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:57:45,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:57:45,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:57:45,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:57:45,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:57:45,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:57:45,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:57:45,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:57:45,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:57:45,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:57:45,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:57:45,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:57:45,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:57:45,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:57:45,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:57:45,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:57:45,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:57:45,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:45,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:57:45,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:57:45,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:57:45,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:57:45,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:57:45,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:57:45,019 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 -> 7139998cc0921a9b712bced77cbd2064338f38d5 [2019-11-19 18:57:45,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:57:45,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:57:45,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:57:45,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:57:45,343 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:57:45,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2019-11-19 18:57:45,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b0313a4/47fe0849a491472fbcd3c3fabe89b531/FLAGef463e771 [2019-11-19 18:57:45,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:57:45,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2019-11-19 18:57:45,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b0313a4/47fe0849a491472fbcd3c3fabe89b531/FLAGef463e771 [2019-11-19 18:57:46,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b0313a4/47fe0849a491472fbcd3c3fabe89b531 [2019-11-19 18:57:46,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:57:46,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:57:46,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:46,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:57:46,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:57:46,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:46,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2769a727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46, skipping insertion in model container [2019-11-19 18:57:46,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:46,297 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:57:46,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:57:46,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:46,856 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:57:46,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:57:46,999 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:57:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46 WrapperNode [2019-11-19 18:57:47,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:57:47,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:47,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:57:47,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:57:47,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:57:47,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:57:47,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:57:47,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:57:47,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (1/1) ... [2019-11-19 18:57:47,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:57:47,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:57:47,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:57:47,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:57:47,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (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 18:57:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:57:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:57:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:57:47,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:57:47,916 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:57:47,917 INFO L285 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-19 18:57:47,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:47 BoogieIcfgContainer [2019-11-19 18:57:47,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:57:47,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:57:47,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:57:47,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:57:47,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:57:46" (1/3) ... [2019-11-19 18:57:47,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd62220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:47, skipping insertion in model container [2019-11-19 18:57:47,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:57:46" (2/3) ... [2019-11-19 18:57:47,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd62220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:57:47, skipping insertion in model container [2019-11-19 18:57:47,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:47" (3/3) ... [2019-11-19 18:57:47,926 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2019-11-19 18:57:47,935 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:57:47,941 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:57:47,952 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:57:47,978 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:57:47,978 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:57:47,979 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:57:47,979 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:57:47,979 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:57:47,979 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:57:47,979 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:57:47,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:57:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-19 18:57:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 18:57:48,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:48,003 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:48,004 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:48,009 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-11-19 18:57:48,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:48,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391484083] [2019-11-19 18:57:48,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:48,333 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 18:57:48,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391484083] [2019-11-19 18:57:48,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:48,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:48,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816282981] [2019-11-19 18:57:48,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:57:48,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:48,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:57:48,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:57:48,357 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-19 18:57:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:48,387 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-19 18:57:48,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:57:48,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 18:57:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:48,399 INFO L225 Difference]: With dead ends: 144 [2019-11-19 18:57:48,399 INFO L226 Difference]: Without dead ends: 71 [2019-11-19 18:57:48,403 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 18:57:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-19 18:57:48,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-19 18:57:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-19 18:57:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-19 18:57:48,452 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-19 18:57:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:48,452 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-19 18:57:48,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:57:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-19 18:57:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 18:57:48,454 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:48,454 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:48,455 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-11-19 18:57:48,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:48,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628125151] [2019-11-19 18:57:48,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:48,593 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 18:57:48,593 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628125151] [2019-11-19 18:57:48,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:48,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:48,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91763310] [2019-11-19 18:57:48,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:48,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:48,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:48,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:48,598 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-19 18:57:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:48,612 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-19 18:57:48,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:48,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 18:57:48,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:48,614 INFO L225 Difference]: With dead ends: 71 [2019-11-19 18:57:48,614 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 18:57:48,616 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 18:57:48,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 18:57:48,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 18:57:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 18:57:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-19 18:57:48,622 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-19 18:57:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:48,623 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-19 18:57:48,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-19 18:57:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 18:57:48,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:48,625 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] [2019-11-19 18:57:48,625 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:48,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:48,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-11-19 18:57:48,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:48,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649550024] [2019-11-19 18:57:48,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:48,707 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 18:57:48,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649550024] [2019-11-19 18:57:48,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:48,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:57:48,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508797724] [2019-11-19 18:57:48,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:48,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:48,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:48,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:48,710 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-11-19 18:57:48,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:48,745 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-19 18:57:48,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:48,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-19 18:57:48,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:48,749 INFO L225 Difference]: With dead ends: 60 [2019-11-19 18:57:48,750 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 18:57:48,751 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 18:57:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 18:57:48,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 18:57:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 18:57:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-19 18:57:48,760 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-19 18:57:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:48,760 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-19 18:57:48,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-19 18:57:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 18:57:48,762 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:48,762 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] [2019-11-19 18:57:48,763 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-11-19 18:57:48,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:48,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248653561] [2019-11-19 18:57:48,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:48,860 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 18:57:48,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248653561] [2019-11-19 18:57:48,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:48,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:57:48,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976533866] [2019-11-19 18:57:48,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 18:57:48,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:48,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 18:57:48,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:57:48,863 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 7 states. [2019-11-19 18:57:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:49,141 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-11-19 18:57:49,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 18:57:49,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-19 18:57:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:49,145 INFO L225 Difference]: With dead ends: 196 [2019-11-19 18:57:49,146 INFO L226 Difference]: Without dead ends: 169 [2019-11-19 18:57:49,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-19 18:57:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-19 18:57:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-19 18:57:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-19 18:57:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-11-19 18:57:49,180 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-11-19 18:57:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:49,181 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-11-19 18:57:49,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 18:57:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-19 18:57:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 18:57:49,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:49,184 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 18:57:49,184 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:49,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:49,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2019-11-19 18:57:49,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:49,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481053342] [2019-11-19 18:57:49,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:49,276 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 18:57:49,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481053342] [2019-11-19 18:57:49,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:49,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:57:49,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561645734] [2019-11-19 18:57:49,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:57:49,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:49,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:57:49,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:57:49,279 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-11-19 18:57:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:49,301 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-11-19 18:57:49,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:57:49,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 18:57:49,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:49,303 INFO L225 Difference]: With dead ends: 132 [2019-11-19 18:57:49,303 INFO L226 Difference]: Without dead ends: 60 [2019-11-19 18:57:49,304 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:57:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-19 18:57:49,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-19 18:57:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-19 18:57:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-19 18:57:49,324 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-19 18:57:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:49,324 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-19 18:57:49,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:57:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-19 18:57:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 18:57:49,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:57:49,327 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:57:49,327 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:57:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:57:49,328 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2019-11-19 18:57:49,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:57:49,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267853786] [2019-11-19 18:57:49,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:57:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:57:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 18:57:49,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267853786] [2019-11-19 18:57:49,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:57:49,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:57:49,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24760422] [2019-11-19 18:57:49,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:57:49,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:57:49,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:57:49,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:57:49,404 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-19 18:57:49,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:57:49,453 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-19 18:57:49,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:57:49,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-19 18:57:49,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:57:49,454 INFO L225 Difference]: With dead ends: 118 [2019-11-19 18:57:49,454 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:57:49,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 18:57:49,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:57:49,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:57:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:57:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:57:49,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-19 18:57:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:57:49,457 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:57:49,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:57:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:57:49,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:57:49,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:57:49,876 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,876 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-19 18:57:49,876 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-11-19 18:57:49,877 INFO L447 ceAbstractionStarter]: At program point L366-1(lines 366 373) the Hoare annotation is: true [2019-11-19 18:57:49,877 INFO L440 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,877 INFO L440 ceAbstractionStarter]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2019-11-19 18:57:49,877 INFO L440 ceAbstractionStarter]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2019-11-19 18:57:49,877 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2019-11-19 18:57:49,878 INFO L444 ceAbstractionStarter]: For program point L449-3(lines 449 453) no Hoare annotation was computed. [2019-11-19 18:57:49,878 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:57:49,878 INFO L444 ceAbstractionStarter]: For program point L449-6(lines 449 453) no Hoare annotation was computed. [2019-11-19 18:57:49,878 INFO L440 ceAbstractionStarter]: At program point L268(lines 253 271) the Hoare annotation is: false [2019-11-19 18:57:49,878 INFO L440 ceAbstractionStarter]: At program point L268-1(lines 253 271) the Hoare annotation is: false [2019-11-19 18:57:49,878 INFO L440 ceAbstractionStarter]: At program point L268-2(lines 253 271) the Hoare annotation is: false [2019-11-19 18:57:49,879 INFO L440 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-19 18:57:49,883 INFO L440 ceAbstractionStarter]: At program point L518(lines 513 521) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,883 INFO L440 ceAbstractionStarter]: At program point L518-1(lines 513 521) the Hoare annotation is: false [2019-11-19 18:57:49,885 INFO L440 ceAbstractionStarter]: At program point L518-2(lines 513 521) the Hoare annotation is: false [2019-11-19 18:57:49,885 INFO L444 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-19 18:57:49,885 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-19 18:57:49,885 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,885 INFO L444 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,885 INFO L444 ceAbstractionStarter]: For program point L536-2(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:57:49,886 INFO L440 ceAbstractionStarter]: At program point L438(lines 433 441) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:49,886 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-19 18:57:49,886 INFO L440 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,887 INFO L440 ceAbstractionStarter]: At program point L340(lines 336 342) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:49,887 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 403) no Hoare annotation was computed. [2019-11-19 18:57:49,888 INFO L440 ceAbstractionStarter]: At program point L390-1(lines 1 905) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,888 INFO L444 ceAbstractionStarter]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2019-11-19 18:57:49,888 INFO L440 ceAbstractionStarter]: At program point L390-3(lines 1 905) the Hoare annotation is: false [2019-11-19 18:57:49,888 INFO L444 ceAbstractionStarter]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2019-11-19 18:57:49,888 INFO L440 ceAbstractionStarter]: At program point L390-5(lines 1 905) the Hoare annotation is: false [2019-11-19 18:57:49,889 INFO L444 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-11-19 18:57:49,890 INFO L440 ceAbstractionStarter]: At program point L93-2(lines 128 134) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,890 INFO L444 ceAbstractionStarter]: For program point L473(lines 473 477) no Hoare annotation was computed. [2019-11-19 18:57:49,890 INFO L440 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: false [2019-11-19 18:57:49,890 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-11-19 18:57:49,890 INFO L444 ceAbstractionStarter]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2019-11-19 18:57:49,890 INFO L444 ceAbstractionStarter]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2019-11-19 18:57:49,891 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:57:49,892 INFO L447 ceAbstractionStarter]: At program point L375(lines 356 378) the Hoare annotation is: true [2019-11-19 18:57:49,892 INFO L444 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-11-19 18:57:49,892 INFO L440 ceAbstractionStarter]: At program point L128(lines 127 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,892 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-11-19 18:57:49,893 INFO L440 ceAbstractionStarter]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2019-11-19 18:57:49,893 INFO L440 ceAbstractionStarter]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2019-11-19 18:57:49,893 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-11-19 18:57:49,893 INFO L444 ceAbstractionStarter]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2019-11-19 18:57:49,893 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,894 INFO L444 ceAbstractionStarter]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2019-11-19 18:57:49,894 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,894 INFO L444 ceAbstractionStarter]: For program point L262-3(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,895 INFO L444 ceAbstractionStarter]: For program point L262-5(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,895 INFO L444 ceAbstractionStarter]: For program point L262-6(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,895 INFO L444 ceAbstractionStarter]: For program point L262-8(lines 262 266) no Hoare annotation was computed. [2019-11-19 18:57:49,896 INFO L440 ceAbstractionStarter]: At program point L213(lines 208 216) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,896 INFO L440 ceAbstractionStarter]: At program point L213-1(lines 208 216) the Hoare annotation is: false [2019-11-19 18:57:49,896 INFO L440 ceAbstractionStarter]: At program point L213-2(lines 208 216) the Hoare annotation is: false [2019-11-19 18:57:49,896 INFO L440 ceAbstractionStarter]: At program point L527(lines 522 530) the Hoare annotation is: false [2019-11-19 18:57:49,896 INFO L440 ceAbstractionStarter]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2019-11-19 18:57:49,896 INFO L444 ceAbstractionStarter]: For program point L461(lines 461 465) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L440 ceAbstractionStarter]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L296-1(lines 128 134) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2019-11-19 18:57:49,897 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-19 18:57:49,902 INFO L440 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:57:49,902 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:57:49,903 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-19 18:57:49,903 INFO L440 ceAbstractionStarter]: At program point L430(lines 1 905) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:57:49,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:57:49 BoogieIcfgContainer [2019-11-19 18:57:49,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:57:49,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:57:49,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:57:49,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:57:49,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:57:47" (3/4) ... [2019-11-19 18:57:49,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:57:49,979 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:57:49,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 18:57:49,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 18:57:49,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:57:49,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:57:49,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:57:50,057 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 18:57:50,156 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:57:50,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:57:50,158 INFO L168 Benchmark]: Toolchain (without parser) took 3881.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 955.0 MB in the beginning and 896.4 MB in the end (delta: 58.6 MB). Peak memory consumption was 203.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,159 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:57:50,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.93 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 18:57:50,160 INFO L168 Benchmark]: Boogie Preprocessor took 41.63 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,160 INFO L168 Benchmark]: RCFGBuilder took 806.65 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,161 INFO L168 Benchmark]: TraceAbstraction took 2019.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.0 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,162 INFO L168 Benchmark]: Witness Printer took 216.75 ms. Allocated memory is still 1.2 GB. Free memory was 903.0 MB in the beginning and 896.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:57:50,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 722.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.93 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 41.63 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 806.65 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2019.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.0 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. * Witness Printer took 216.75 ms. Allocated memory is still 1.2 GB. Free memory was 903.0 MB in the beginning and 896.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 333 SDtfs, 461 SDslu, 357 SDs, 0 SdLazy, 97 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, 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, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1507 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 269 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 7907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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...