./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_spec2_product51.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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:10,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:10,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:10,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:10,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:10,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:10,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:10,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:10,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:10,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:10,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:10,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:10,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:10,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:10,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:10,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:10,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:10,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:10,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:10,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:10,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:10,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:10,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:10,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:10,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:10,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:10,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:10,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:10,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:10,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:10,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:10,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:10,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:10,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:10,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:10,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:10,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:10,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:10,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:10,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:10,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:10,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:11,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:11,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:11,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:11,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:11,004 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:11,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:11,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:11,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:11,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:11,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:11,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:11,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:11,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:11,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:11,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:11,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:11,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:11,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:11,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:11,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:11,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:11,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:11,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:11,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:11,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:11,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:11,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:11,010 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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-11-28 00:21:11,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:11,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:11,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:11,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:11,403 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:11,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-11-28 00:21:11,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52cdaaa/ee278517d66847fda7981f2528aff5be/FLAG5cc427088 [2019-11-28 00:21:11,979 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:11,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-11-28 00:21:12,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52cdaaa/ee278517d66847fda7981f2528aff5be/FLAG5cc427088 [2019-11-28 00:21:12,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52cdaaa/ee278517d66847fda7981f2528aff5be [2019-11-28 00:21:12,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:12,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:12,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:12,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:12,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:12,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:12" (1/1) ... [2019-11-28 00:21:12,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad45a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:12, skipping insertion in model container [2019-11-28 00:21:12,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:12" (1/1) ... [2019-11-28 00:21:12,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:12,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:12,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:12,809 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:12,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:13,005 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:13,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13 WrapperNode [2019-11-28 00:21:13,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:13,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:13,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:13,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:13,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:13,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:13,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:13,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:13,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (1/1) ... [2019-11-28 00:21:13,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:13,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:13,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:13,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:13,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (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 [2019-11-28 00:21:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:14,165 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:14,166 INFO L297 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 00:21:14,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:14 BoogieIcfgContainer [2019-11-28 00:21:14,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:14,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:14,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:14,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:14,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:12" (1/3) ... [2019-11-28 00:21:14,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b4121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:14, skipping insertion in model container [2019-11-28 00:21:14,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:13" (2/3) ... [2019-11-28 00:21:14,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b4121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:14, skipping insertion in model container [2019-11-28 00:21:14,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:14" (3/3) ... [2019-11-28 00:21:14,184 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-11-28 00:21:14,194 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:14,204 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:14,215 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:14,238 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:14,239 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:14,239 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:14,239 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:14,239 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:14,239 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:14,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:14,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-11-28 00:21:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:14,265 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:14,266 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:14,267 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2019-11-28 00:21:14,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97183078] [2019-11-28 00:21:14,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:14,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97183078] [2019-11-28 00:21:14,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:14,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:14,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932663177] [2019-11-28 00:21:14,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:14,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:14,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:14,592 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-11-28 00:21:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,627 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2019-11-28 00:21:14,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:14,629 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:14,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,643 INFO L225 Difference]: With dead ends: 239 [2019-11-28 00:21:14,643 INFO L226 Difference]: Without dead ends: 119 [2019-11-28 00:21:14,647 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 [2019-11-28 00:21:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-28 00:21:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-28 00:21:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 00:21:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2019-11-28 00:21:14,697 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2019-11-28 00:21:14,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,698 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2019-11-28 00:21:14,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2019-11-28 00:21:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:14,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:14,700 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:14,700 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2019-11-28 00:21:14,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894403691] [2019-11-28 00:21:14,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:14,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894403691] [2019-11-28 00:21:14,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:14,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:14,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822671989] [2019-11-28 00:21:14,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:14,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:14,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:14,807 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2019-11-28 00:21:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,833 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-11-28 00:21:14,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:14,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,835 INFO L225 Difference]: With dead ends: 119 [2019-11-28 00:21:14,836 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 00:21:14,837 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 [2019-11-28 00:21:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 00:21:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 00:21:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 00:21:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-11-28 00:21:14,845 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2019-11-28 00:21:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,846 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-11-28 00:21:14,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-11-28 00:21:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:14,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:14,847 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] [2019-11-28 00:21:14,848 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,848 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2019-11-28 00:21:14,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699932037] [2019-11-28 00:21:14,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:15,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699932037] [2019-11-28 00:21:15,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:15,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:15,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651091628] [2019-11-28 00:21:15,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:15,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:15,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:15,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:15,007 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2019-11-28 00:21:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:15,184 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2019-11-28 00:21:15,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:15,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 00:21:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:15,187 INFO L225 Difference]: With dead ends: 163 [2019-11-28 00:21:15,187 INFO L226 Difference]: Without dead ends: 119 [2019-11-28 00:21:15,188 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 [2019-11-28 00:21:15,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-28 00:21:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2019-11-28 00:21:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 00:21:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-11-28 00:21:15,219 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2019-11-28 00:21:15,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:15,219 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-11-28 00:21:15,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-11-28 00:21:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:15,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:15,222 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] [2019-11-28 00:21:15,223 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:15,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:15,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2019-11-28 00:21:15,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:15,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934861356] [2019-11-28 00:21:15,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:15,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934861356] [2019-11-28 00:21:15,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:15,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:15,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392881320] [2019-11-28 00:21:15,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:15,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:15,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:15,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:15,355 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2019-11-28 00:21:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:15,406 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-11-28 00:21:15,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:15,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:15,413 INFO L225 Difference]: With dead ends: 157 [2019-11-28 00:21:15,413 INFO L226 Difference]: Without dead ends: 93 [2019-11-28 00:21:15,414 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 [2019-11-28 00:21:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-28 00:21:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-11-28 00:21:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-28 00:21:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2019-11-28 00:21:15,437 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2019-11-28 00:21:15,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:15,438 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2019-11-28 00:21:15,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2019-11-28 00:21:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:15,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:15,442 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, 1] [2019-11-28 00:21:15,442 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:15,445 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2019-11-28 00:21:15,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:15,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28122354] [2019-11-28 00:21:15,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:15,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28122354] [2019-11-28 00:21:15,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:15,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:15,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989076277] [2019-11-28 00:21:15,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:15,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:15,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:15,565 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2019-11-28 00:21:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:15,677 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2019-11-28 00:21:15,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:15,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:15,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:15,681 INFO L225 Difference]: With dead ends: 452 [2019-11-28 00:21:15,681 INFO L226 Difference]: Without dead ends: 368 [2019-11-28 00:21:15,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-11-28 00:21:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2019-11-28 00:21:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 00:21:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2019-11-28 00:21:15,730 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2019-11-28 00:21:15,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:15,731 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2019-11-28 00:21:15,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2019-11-28 00:21:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:21:15,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:15,735 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, 1, 1] [2019-11-28 00:21:15,735 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:15,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2019-11-28 00:21:15,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:15,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840867547] [2019-11-28 00:21:15,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:15,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840867547] [2019-11-28 00:21:15,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:15,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:15,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020418095] [2019-11-28 00:21:15,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:15,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:15,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:15,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:15,858 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2019-11-28 00:21:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,041 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2019-11-28 00:21:16,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:16,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 00:21:16,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,046 INFO L225 Difference]: With dead ends: 605 [2019-11-28 00:21:16,047 INFO L226 Difference]: Without dead ends: 448 [2019-11-28 00:21:16,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:16,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-11-28 00:21:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2019-11-28 00:21:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-28 00:21:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2019-11-28 00:21:16,084 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2019-11-28 00:21:16,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,084 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2019-11-28 00:21:16,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2019-11-28 00:21:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:16,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,093 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:16,097 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,098 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2019-11-28 00:21:16,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105031763] [2019-11-28 00:21:16,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:16,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105031763] [2019-11-28 00:21:16,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:16,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470818051] [2019-11-28 00:21:16,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:16,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:16,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:16,166 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2019-11-28 00:21:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,261 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2019-11-28 00:21:16,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:16,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,264 INFO L225 Difference]: With dead ends: 479 [2019-11-28 00:21:16,266 INFO L226 Difference]: Without dead ends: 324 [2019-11-28 00:21:16,267 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-11-28 00:21:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2019-11-28 00:21:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-11-28 00:21:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2019-11-28 00:21:16,288 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2019-11-28 00:21:16,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,288 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2019-11-28 00:21:16,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2019-11-28 00:21:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:16,290 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,290 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:16,291 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,291 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2019-11-28 00:21:16,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32722172] [2019-11-28 00:21:16,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:16,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32722172] [2019-11-28 00:21:16,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:16,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674808545] [2019-11-28 00:21:16,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:16,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:16,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:16,352 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2019-11-28 00:21:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,488 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2019-11-28 00:21:16,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:16,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 00:21:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,492 INFO L225 Difference]: With dead ends: 513 [2019-11-28 00:21:16,492 INFO L226 Difference]: Without dead ends: 346 [2019-11-28 00:21:16,493 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:21:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-28 00:21:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2019-11-28 00:21:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-11-28 00:21:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2019-11-28 00:21:16,518 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2019-11-28 00:21:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,518 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2019-11-28 00:21:16,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2019-11-28 00:21:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:16,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,520 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:16,521 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2019-11-28 00:21:16,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400120710] [2019-11-28 00:21:16,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:16,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400120710] [2019-11-28 00:21:16,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:16,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288980327] [2019-11-28 00:21:16,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:16,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:16,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:16,586 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2019-11-28 00:21:16,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,669 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2019-11-28 00:21:16,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:16,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:21:16,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,672 INFO L225 Difference]: With dead ends: 445 [2019-11-28 00:21:16,672 INFO L226 Difference]: Without dead ends: 270 [2019-11-28 00:21:16,673 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 [2019-11-28 00:21:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-28 00:21:16,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-11-28 00:21:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-11-28 00:21:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2019-11-28 00:21:16,701 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2019-11-28 00:21:16,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,702 INFO L462 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2019-11-28 00:21:16,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2019-11-28 00:21:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:16,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,703 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:16,703 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2019-11-28 00:21:16,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951348469] [2019-11-28 00:21:16,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:16,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951348469] [2019-11-28 00:21:16,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:16,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279377300] [2019-11-28 00:21:16,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:16,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:16,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:16,756 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2019-11-28 00:21:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:16,815 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2019-11-28 00:21:16,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:16,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:21:16,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:16,818 INFO L225 Difference]: With dead ends: 389 [2019-11-28 00:21:16,818 INFO L226 Difference]: Without dead ends: 387 [2019-11-28 00:21:16,819 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 [2019-11-28 00:21:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-11-28 00:21:16,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2019-11-28 00:21:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-11-28 00:21:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2019-11-28 00:21:16,851 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2019-11-28 00:21:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:16,852 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2019-11-28 00:21:16,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2019-11-28 00:21:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:16,853 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:16,853 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:16,854 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:16,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2019-11-28 00:21:16,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:16,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521400463] [2019-11-28 00:21:16,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:16,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521400463] [2019-11-28 00:21:16,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:16,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:16,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192850704] [2019-11-28 00:21:16,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:16,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:16,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:16,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:16,963 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2019-11-28 00:21:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,310 INFO L93 Difference]: Finished difference Result 1761 states and 2425 transitions. [2019-11-28 00:21:17,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:21:17,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 00:21:17,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,319 INFO L225 Difference]: With dead ends: 1761 [2019-11-28 00:21:17,320 INFO L226 Difference]: Without dead ends: 1540 [2019-11-28 00:21:17,321 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:21:17,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-11-28 00:21:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 545. [2019-11-28 00:21:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-11-28 00:21:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 736 transitions. [2019-11-28 00:21:17,388 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 736 transitions. Word has length 58 [2019-11-28 00:21:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,388 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 736 transitions. [2019-11-28 00:21:17,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 736 transitions. [2019-11-28 00:21:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:17,390 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,390 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:17,391 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2019-11-28 00:21:17,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211130708] [2019-11-28 00:21:17,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:21:17,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211130708] [2019-11-28 00:21:17,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:21:17,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980296274] [2019-11-28 00:21:17,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:21:17,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:21:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:17,477 INFO L87 Difference]: Start difference. First operand 545 states and 736 transitions. Second operand 7 states. [2019-11-28 00:21:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,628 INFO L93 Difference]: Finished difference Result 1208 states and 1617 transitions. [2019-11-28 00:21:17,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:17,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-28 00:21:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,632 INFO L225 Difference]: With dead ends: 1208 [2019-11-28 00:21:17,632 INFO L226 Difference]: Without dead ends: 758 [2019-11-28 00:21:17,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:21:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2019-11-28 00:21:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2019-11-28 00:21:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-11-28 00:21:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2019-11-28 00:21:17,677 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2019-11-28 00:21:17,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,678 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2019-11-28 00:21:17,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:21:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2019-11-28 00:21:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:17,679 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,679 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:17,680 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2019-11-28 00:21:17,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455591201] [2019-11-28 00:21:17,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:17,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455591201] [2019-11-28 00:21:17,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:17,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763948247] [2019-11-28 00:21:17,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:17,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:17,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:17,746 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2019-11-28 00:21:17,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:17,864 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-11-28 00:21:17,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:17,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 00:21:17,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:17,867 INFO L225 Difference]: With dead ends: 634 [2019-11-28 00:21:17,867 INFO L226 Difference]: Without dead ends: 363 [2019-11-28 00:21:17,868 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:17,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-11-28 00:21:17,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2019-11-28 00:21:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-28 00:21:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2019-11-28 00:21:17,903 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2019-11-28 00:21:17,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:17,903 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2019-11-28 00:21:17,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2019-11-28 00:21:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 00:21:17,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:17,905 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:17,905 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:17,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2019-11-28 00:21:17,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:17,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753172594] [2019-11-28 00:21:17,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 00:21:17,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753172594] [2019-11-28 00:21:17,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:17,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:17,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956585893] [2019-11-28 00:21:17,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:17,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:17,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:17,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:17,951 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2019-11-28 00:21:18,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:18,039 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2019-11-28 00:21:18,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:18,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-11-28 00:21:18,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:18,040 INFO L225 Difference]: With dead ends: 707 [2019-11-28 00:21:18,041 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:18,042 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 [2019-11-28 00:21:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:18,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:18,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-28 00:21:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:18,043 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:18,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:18,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:18,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:18,679 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 214 [2019-11-28 00:21:18,976 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2019-11-28 00:21:19,152 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2019-11-28 00:21:19,566 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2019-11-28 00:21:19,975 WARN L192 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 214 [2019-11-28 00:21:20,200 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 117 [2019-11-28 00:21:20,364 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2019-11-28 00:21:20,677 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2019-11-28 00:21:20,909 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2019-11-28 00:21:21,088 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 187 [2019-11-28 00:21:22,454 WARN L192 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2019-11-28 00:21:23,688 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2019-11-28 00:21:23,816 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-11-28 00:21:24,143 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-11-28 00:21:25,328 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 184 DAG size of output: 25 [2019-11-28 00:21:26,802 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 206 DAG size of output: 33 [2019-11-28 00:21:26,964 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2019-11-28 00:21:27,589 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-11-28 00:21:28,235 WARN L192 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2019-11-28 00:21:28,883 WARN L192 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2019-11-28 00:21:30,476 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2019-11-28 00:21:31,777 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 204 DAG size of output: 26 [2019-11-28 00:21:32,992 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2019-11-28 00:21:33,032 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,033 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-28 00:21:33,033 INFO L246 CegarLoopResult]: For program point L531-1(lines 129 135) no Hoare annotation was computed. [2019-11-28 00:21:33,033 INFO L242 CegarLoopResult]: At program point L399(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:33,033 INFO L242 CegarLoopResult]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse2))) [2019-11-28 00:21:33,033 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-28 00:21:33,033 INFO L242 CegarLoopResult]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-11-28 00:21:33,034 INFO L242 CegarLoopResult]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-11-28 00:21:33,034 INFO L246 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-11-28 00:21:33,034 INFO L249 CegarLoopResult]: At program point L599-1(lines 599 606) the Hoare annotation is: true [2019-11-28 00:21:33,034 INFO L242 CegarLoopResult]: At program point L501(lines 492 505) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L501-1(lines 492 505) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L501-2(lines 492 505) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L501-3(lines 492 505) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L501-4(lines 492 505) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L501-5(lines 492 505) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L240(lines 235 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (= 0 ~methAndRunningLastTime~0) (not .cse2)))) [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-11-28 00:21:33,035 INFO L242 CegarLoopResult]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-11-28 00:21:33,036 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 00:21:33,036 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (not .cse2)))) [2019-11-28 00:21:33,037 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,037 INFO L242 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:33,037 INFO L242 CegarLoopResult]: At program point L341(lines 336 343) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-28 00:21:33,037 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L246 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L246 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L246 CegarLoopResult]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L246 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L246 CegarLoopResult]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:33,038 INFO L249 CegarLoopResult]: At program point L608(lines 589 611) the Hoare annotation is: true [2019-11-28 00:21:33,039 INFO L242 CegarLoopResult]: At program point L575(lines 571 577) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-28 00:21:33,039 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-28 00:21:33,039 INFO L242 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-11-28 00:21:33,039 INFO L242 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2019-11-28 00:21:33,040 INFO L242 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2019-11-28 00:21:33,040 INFO L242 CegarLoopResult]: At program point L314(lines 299 317) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-11-28 00:21:33,040 INFO L242 CegarLoopResult]: At program point L314-1(lines 299 317) the Hoare annotation is: false [2019-11-28 00:21:33,040 INFO L242 CegarLoopResult]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-11-28 00:21:33,040 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-28 00:21:33,041 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:33,041 INFO L246 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-11-28 00:21:33,041 INFO L242 CegarLoopResult]: At program point L352-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,041 INFO L246 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2019-11-28 00:21:33,041 INFO L242 CegarLoopResult]: At program point L352-3(lines 1 986) the Hoare annotation is: false [2019-11-28 00:21:33,042 INFO L246 CegarLoopResult]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2019-11-28 00:21:33,042 INFO L246 CegarLoopResult]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-11-28 00:21:33,042 INFO L242 CegarLoopResult]: At program point L352-5(lines 1 986) the Hoare annotation is: false [2019-11-28 00:21:33,042 INFO L246 CegarLoopResult]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-11-28 00:21:33,042 INFO L246 CegarLoopResult]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-11-28 00:21:33,042 INFO L246 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,043 INFO L246 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,043 INFO L246 CegarLoopResult]: For program point L617-2(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,043 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-11-28 00:21:33,043 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-11-28 00:21:33,043 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-11-28 00:21:33,044 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-28 00:21:33,044 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-28 00:21:33,044 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-11-28 00:21:33,044 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,044 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-28 00:21:33,045 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,046 INFO L242 CegarLoopResult]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse5 (not .cse4) .cse3 (not .cse2)))) [2019-11-28 00:21:33,046 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,046 INFO L246 CegarLoopResult]: For program point L289-9(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,046 INFO L246 CegarLoopResult]: For program point L289-11(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L289-12(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L289-14(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L289-15(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L289-17(lines 289 293) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-11-28 00:21:33,047 INFO L246 CegarLoopResult]: For program point L356-2(lines 356 366) no Hoare annotation was computed. [2019-11-28 00:21:33,048 INFO L246 CegarLoopResult]: For program point L356-4(lines 356 366) no Hoare annotation was computed. [2019-11-28 00:21:33,048 INFO L246 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-11-28 00:21:33,048 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-11-28 00:21:33,048 INFO L246 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-11-28 00:21:33,048 INFO L242 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse2))) [2019-11-28 00:21:33,049 INFO L242 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2019-11-28 00:21:33,049 INFO L242 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-11-28 00:21:33,049 INFO L246 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-11-28 00:21:33,049 INFO L246 CegarLoopResult]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2019-11-28 00:21:33,049 INFO L246 CegarLoopResult]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2019-11-28 00:21:33,049 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,050 INFO L246 CegarLoopResult]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-11-28 00:21:33,051 INFO L242 CegarLoopResult]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 (not (= 0 ~waterLevel~0)) (not .cse4) .cse3 (not .cse2)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,051 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-11-28 00:21:33,051 INFO L242 CegarLoopResult]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-11-28 00:21:33,051 INFO L242 CegarLoopResult]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-11-28 00:21:33,052 INFO L242 CegarLoopResult]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-11-28 00:21:33,052 INFO L242 CegarLoopResult]: At program point L295-1(lines 280 298) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,052 INFO L242 CegarLoopResult]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-11-28 00:21:33,052 INFO L242 CegarLoopResult]: At program point L295-3(lines 280 298) the Hoare annotation is: false [2019-11-28 00:21:33,052 INFO L242 CegarLoopResult]: At program point L295-4(lines 280 298) the Hoare annotation is: false [2019-11-28 00:21:33,053 INFO L242 CegarLoopResult]: At program point L295-5(lines 280 298) the Hoare annotation is: false [2019-11-28 00:21:33,053 INFO L242 CegarLoopResult]: At program point L527-2(lines 527 541) the Hoare annotation is: false [2019-11-28 00:21:33,053 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:21:33,053 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:33,053 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,054 INFO L246 CegarLoopResult]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,055 INFO L246 CegarLoopResult]: For program point L496-3(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,056 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,056 INFO L246 CegarLoopResult]: For program point L496-5(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:21:33,056 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-28 00:21:33,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:33 BoogieIcfgContainer [2019-11-28 00:21:33,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:33,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:33,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:33,120 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:33,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:14" (3/4) ... [2019-11-28 00:21:33,125 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:33,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:33,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:33,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:33,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:33,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:33,175 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:33,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:33,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 00:21:33,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-11-28 00:21:33,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-11-28 00:21:33,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-11-28 00:21:33,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-11-28 00:21:33,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:21:33,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:21:33,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-11-28 00:21:33,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) [2019-11-28 00:21:33,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-11-28 00:21:33,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:33,367 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:33,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:33,369 INFO L168 Benchmark]: Toolchain (without parser) took 21133.30 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 533.2 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -192.3 MB). Peak memory consumption was 340.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:33,369 INFO L168 Benchmark]: CDTParser took 0.63 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. [2019-11-28 00:21:33,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:33,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:33,370 INFO L168 Benchmark]: Boogie Preprocessor took 51.48 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. [2019-11-28 00:21:33,370 INFO L168 Benchmark]: RCFGBuilder took 1022.17 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: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:33,371 INFO L168 Benchmark]: TraceAbstraction took 18948.74 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 396.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -113.6 MB). Peak memory consumption was 519.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:33,371 INFO L168 Benchmark]: Witness Printer took 248.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 00:21:33,373 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 765.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.05 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.48 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. * RCFGBuilder took 1022.17 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: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18948.74 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 396.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -113.6 MB). Peak memory consumption was 519.4 MB. Max. memory is 11.5 GB. * Witness Printer took 248.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: 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: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, HoareTripleCheckerStatistics: 1407 SDtfs, 2194 SDslu, 2403 SDs, 0 SdLazy, 278 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2316 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 775 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1746399 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 964553 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...