./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_product40.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 9c111f83061d8c18367444893b685a787d8ca976 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:01,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:01,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:01,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:01,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:01,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:01,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:01,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:01,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:01,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:01,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:01,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:01,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:01,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:01,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:01,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:01,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:01,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:01,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:01,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:01,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:01,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:01,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:01,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:01,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:01,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:01,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:01,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:01,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:01,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:01,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:01,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:01,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:01,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:01,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:01,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:01,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:01,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:01,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:01,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:01,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:01,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:01,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:01,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:01,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:01,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:01,994 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:01,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:01,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:01,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:01,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:01,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:01,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:01,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:01,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:01,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:01,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:01,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:01,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:01,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:01,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:01,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:01,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:02,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:02,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:02,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:02,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:02,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:02,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:02,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:02,002 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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2019-11-28 00:21:02,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:02,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:02,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:02,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:02,328 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:02,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2019-11-28 00:21:02,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eccb8c58/5ebacbf0c0ca44dd84fb4fb1796d4176/FLAGec0a137f4 [2019-11-28 00:21:02,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:02,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2019-11-28 00:21:02,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eccb8c58/5ebacbf0c0ca44dd84fb4fb1796d4176/FLAGec0a137f4 [2019-11-28 00:21:03,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eccb8c58/5ebacbf0c0ca44dd84fb4fb1796d4176 [2019-11-28 00:21:03,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:03,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:03,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:03,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:03,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:03,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03, skipping insertion in model container [2019-11-28 00:21:03,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:03,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:03,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:03,699 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:03,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:03,841 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:03,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03 WrapperNode [2019-11-28 00:21:03,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:03,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:03,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:03,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:03,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:03,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:03,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:03,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:03,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (1/1) ... [2019-11-28 00:21:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:03,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:03,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:03,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:03,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (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 00:21:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:04,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:04,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:04,980 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:04,980 INFO L297 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-28 00:21:04,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:04 BoogieIcfgContainer [2019-11-28 00:21:04,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:04,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:04,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:04,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:04,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:03" (1/3) ... [2019-11-28 00:21:04,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338fd175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:04, skipping insertion in model container [2019-11-28 00:21:04,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:03" (2/3) ... [2019-11-28 00:21:04,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338fd175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:04, skipping insertion in model container [2019-11-28 00:21:04,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:04" (3/3) ... [2019-11-28 00:21:04,990 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2019-11-28 00:21:05,003 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:05,012 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:05,030 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:05,078 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:05,078 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:05,079 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:05,079 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:05,081 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:05,081 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:05,081 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:05,082 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 00:21:05,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:05,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,130 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 00:21:05,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,137 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2019-11-28 00:21:05,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462048453] [2019-11-28 00:21:05,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,446 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 00:21:05,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462048453] [2019-11-28 00:21:05,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:05,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900985757] [2019-11-28 00:21:05,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:05,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:05,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:05,473 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 00:21:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,514 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2019-11-28 00:21:05,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:05,516 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,528 INFO L225 Difference]: With dead ends: 227 [2019-11-28 00:21:05,528 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 00:21:05,532 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 00:21:05,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 00:21:05,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 00:21:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 00:21:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2019-11-28 00:21:05,582 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2019-11-28 00:21:05,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:05,584 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2019-11-28 00:21:05,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2019-11-28 00:21:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:05,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,588 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 00:21:05,588 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2019-11-28 00:21:05,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953800172] [2019-11-28 00:21:05,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,737 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 00:21:05,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953800172] [2019-11-28 00:21:05,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958214970] [2019-11-28 00:21:05,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:05,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:05,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:05,746 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2019-11-28 00:21:05,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,772 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2019-11-28 00:21:05,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:05,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:05,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,776 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:05,776 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:05,779 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 00:21:05,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:05,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 00:21:05,791 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 00:21:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:05,791 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 00:21:05,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 00:21:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:05,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:05,794 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 00:21:05,794 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:05,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2019-11-28 00:21:05,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:05,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660643619] [2019-11-28 00:21:05,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:05,911 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 00:21:05,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660643619] [2019-11-28 00:21:05,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:05,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:05,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698372803] [2019-11-28 00:21:05,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:05,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:05,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:05,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:05,914 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 00:21:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:05,974 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2019-11-28 00:21:05,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:05,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:05,980 INFO L225 Difference]: With dead ends: 133 [2019-11-28 00:21:05,981 INFO L226 Difference]: Without dead ends: 91 [2019-11-28 00:21:05,982 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 00:21:05,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-28 00:21:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2019-11-28 00:21:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-28 00:21:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2019-11-28 00:21:06,010 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2019-11-28 00:21:06,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,010 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2019-11-28 00:21:06,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2019-11-28 00:21:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:06,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,015 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 00:21:06,015 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,016 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2019-11-28 00:21:06,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063541948] [2019-11-28 00:21:06,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,122 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 00:21:06,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063541948] [2019-11-28 00:21:06,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:06,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119483524] [2019-11-28 00:21:06,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:06,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:06,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:06,125 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2019-11-28 00:21:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,183 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2019-11-28 00:21:06,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:06,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:06,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,186 INFO L225 Difference]: With dead ends: 210 [2019-11-28 00:21:06,186 INFO L226 Difference]: Without dead ends: 130 [2019-11-28 00:21:06,187 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 00:21:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-28 00:21:06,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-11-28 00:21:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 00:21:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2019-11-28 00:21:06,203 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2019-11-28 00:21:06,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,203 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2019-11-28 00:21:06,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2019-11-28 00:21:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:06,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,205 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 00:21:06,205 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2019-11-28 00:21:06,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998384298] [2019-11-28 00:21:06,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,294 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 00:21:06,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998384298] [2019-11-28 00:21:06,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:06,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311162327] [2019-11-28 00:21:06,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:06,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:06,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:06,297 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2019-11-28 00:21:06,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,472 INFO L93 Difference]: Finished difference Result 477 states and 704 transitions. [2019-11-28 00:21:06,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:06,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:06,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,476 INFO L225 Difference]: With dead ends: 477 [2019-11-28 00:21:06,476 INFO L226 Difference]: Without dead ends: 356 [2019-11-28 00:21:06,478 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 00:21:06,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-11-28 00:21:06,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 126. [2019-11-28 00:21:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-28 00:21:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2019-11-28 00:21:06,501 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 27 [2019-11-28 00:21:06,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,501 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2019-11-28 00:21:06,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2019-11-28 00:21:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:06,503 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,503 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] [2019-11-28 00:21:06,504 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1676819386, now seen corresponding path program 1 times [2019-11-28 00:21:06,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639832397] [2019-11-28 00:21:06,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:06,619 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639832397] [2019-11-28 00:21:06,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:06,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946797733] [2019-11-28 00:21:06,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:06,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:06,623 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand 5 states. [2019-11-28 00:21:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,702 INFO L93 Difference]: Finished difference Result 339 states and 485 transitions. [2019-11-28 00:21:06,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:06,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,705 INFO L225 Difference]: With dead ends: 339 [2019-11-28 00:21:06,705 INFO L226 Difference]: Without dead ends: 220 [2019-11-28 00:21:06,706 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 00:21:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-11-28 00:21:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 138. [2019-11-28 00:21:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 00:21:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 194 transitions. [2019-11-28 00:21:06,726 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 194 transitions. Word has length 32 [2019-11-28 00:21:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,726 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 194 transitions. [2019-11-28 00:21:06,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 194 transitions. [2019-11-28 00:21:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:06,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,734 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] [2019-11-28 00:21:06,737 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,737 INFO L82 PathProgramCache]: Analyzing trace with hash -975754808, now seen corresponding path program 1 times [2019-11-28 00:21:06,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740050516] [2019-11-28 00:21:06,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,823 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 00:21:06,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740050516] [2019-11-28 00:21:06,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:06,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307439726] [2019-11-28 00:21:06,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:06,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:06,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:06,831 INFO L87 Difference]: Start difference. First operand 138 states and 194 transitions. Second operand 4 states. [2019-11-28 00:21:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:06,887 INFO L93 Difference]: Finished difference Result 331 states and 462 transitions. [2019-11-28 00:21:06,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:21:06,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 00:21:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:06,890 INFO L225 Difference]: With dead ends: 331 [2019-11-28 00:21:06,890 INFO L226 Difference]: Without dead ends: 200 [2019-11-28 00:21:06,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-28 00:21:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 146. [2019-11-28 00:21:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 00:21:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-11-28 00:21:06,906 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 32 [2019-11-28 00:21:06,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:06,907 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-11-28 00:21:06,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-11-28 00:21:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:06,913 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:06,914 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] [2019-11-28 00:21:06,914 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:06,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:06,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1562560822, now seen corresponding path program 1 times [2019-11-28 00:21:06,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:06,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790922117] [2019-11-28 00:21:06,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:06,962 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 00:21:06,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790922117] [2019-11-28 00:21:06,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:06,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:06,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42517810] [2019-11-28 00:21:06,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:06,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:06,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:06,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:06,965 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 3 states. [2019-11-28 00:21:07,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,002 INFO L93 Difference]: Finished difference Result 339 states and 468 transitions. [2019-11-28 00:21:07,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-28 00:21:07,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,007 INFO L225 Difference]: With dead ends: 339 [2019-11-28 00:21:07,007 INFO L226 Difference]: Without dead ends: 200 [2019-11-28 00:21:07,008 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 00:21:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-28 00:21:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-11-28 00:21:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-28 00:21:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 269 transitions. [2019-11-28 00:21:07,028 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 269 transitions. Word has length 32 [2019-11-28 00:21:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,028 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 269 transitions. [2019-11-28 00:21:07,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 269 transitions. [2019-11-28 00:21:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:07,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,034 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 00:21:07,034 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1269502986, now seen corresponding path program 1 times [2019-11-28 00:21:07,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44244919] [2019-11-28 00:21:07,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,089 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 00:21:07,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44244919] [2019-11-28 00:21:07,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:07,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390724629] [2019-11-28 00:21:07,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:07,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:07,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:07,093 INFO L87 Difference]: Start difference. First operand 200 states and 269 transitions. Second operand 3 states. [2019-11-28 00:21:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,140 INFO L93 Difference]: Finished difference Result 315 states and 428 transitions. [2019-11-28 00:21:07,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:21:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,144 INFO L225 Difference]: With dead ends: 315 [2019-11-28 00:21:07,144 INFO L226 Difference]: Without dead ends: 313 [2019-11-28 00:21:07,145 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 00:21:07,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-11-28 00:21:07,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2019-11-28 00:21:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-11-28 00:21:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2019-11-28 00:21:07,165 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 33 [2019-11-28 00:21:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,166 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2019-11-28 00:21:07,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2019-11-28 00:21:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 00:21:07,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,168 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] [2019-11-28 00:21:07,169 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1703005794, now seen corresponding path program 1 times [2019-11-28 00:21:07,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899336622] [2019-11-28 00:21:07,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 00:21:07,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899336622] [2019-11-28 00:21:07,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:07,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406400307] [2019-11-28 00:21:07,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:07,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:07,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:07,236 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 3 states. [2019-11-28 00:21:07,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:07,303 INFO L93 Difference]: Finished difference Result 467 states and 646 transitions. [2019-11-28 00:21:07,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:07,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-28 00:21:07,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:07,307 INFO L225 Difference]: With dead ends: 467 [2019-11-28 00:21:07,307 INFO L226 Difference]: Without dead ends: 191 [2019-11-28 00:21:07,308 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 00:21:07,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-11-28 00:21:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2019-11-28 00:21:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-11-28 00:21:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 248 transitions. [2019-11-28 00:21:07,335 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 248 transitions. Word has length 54 [2019-11-28 00:21:07,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:07,336 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 248 transitions. [2019-11-28 00:21:07,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2019-11-28 00:21:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 00:21:07,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:07,339 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:07,339 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:07,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash -495715879, now seen corresponding path program 1 times [2019-11-28 00:21:07,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:07,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551212704] [2019-11-28 00:21:07,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:07,474 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 00:21:07,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551212704] [2019-11-28 00:21:07,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:07,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 00:21:07,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375332542] [2019-11-28 00:21:07,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:21:07,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:07,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:21:07,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:07,505 INFO L87 Difference]: Start difference. First operand 183 states and 248 transitions. Second operand 8 states. [2019-11-28 00:21:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:08,201 INFO L93 Difference]: Finished difference Result 1268 states and 1725 transitions. [2019-11-28 00:21:08,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 00:21:08,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-11-28 00:21:08,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:08,207 INFO L225 Difference]: With dead ends: 1268 [2019-11-28 00:21:08,207 INFO L226 Difference]: Without dead ends: 1092 [2019-11-28 00:21:08,208 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2019-11-28 00:21:08,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-11-28 00:21:08,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 284. [2019-11-28 00:21:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-11-28 00:21:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2019-11-28 00:21:08,243 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 55 [2019-11-28 00:21:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:08,243 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2019-11-28 00:21:08,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:21:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2019-11-28 00:21:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:08,244 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:08,245 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 00:21:08,245 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:08,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:08,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2019-11-28 00:21:08,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:08,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562370736] [2019-11-28 00:21:08,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:08,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562370736] [2019-11-28 00:21:08,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546361722] [2019-11-28 00:21:08,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:08,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 00:21:08,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:08,474 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 00:21:08,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:08,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 00:21:08,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828416999] [2019-11-28 00:21:08,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:08,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:08,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:08,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:08,476 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. Second operand 3 states. [2019-11-28 00:21:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:08,555 INFO L93 Difference]: Finished difference Result 445 states and 597 transitions. [2019-11-28 00:21:08,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:08,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:08,556 INFO L225 Difference]: With dead ends: 445 [2019-11-28 00:21:08,557 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:08,558 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:08,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:21:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:08,559 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:08,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:08,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:08,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:08,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:09,022 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 73 [2019-11-28 00:21:09,311 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 94 [2019-11-28 00:21:09,483 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 97 [2019-11-28 00:21:09,964 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2019-11-28 00:21:10,156 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2019-11-28 00:21:10,387 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-11-28 00:21:10,548 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-11-28 00:21:10,966 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 28 [2019-11-28 00:21:11,269 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2019-11-28 00:21:11,412 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-11-28 00:21:11,563 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2019-11-28 00:21:11,873 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 6 [2019-11-28 00:21:12,141 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-11-28 00:21:12,149 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,149 INFO L246 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2019-11-28 00:21:12,150 INFO L242 CegarLoopResult]: At program point L234-1(lines 265 271) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (or (and .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1)) .cse3) (and .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse2 .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:12,150 INFO L246 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,150 INFO L246 CegarLoopResult]: For program point L829-1(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,150 INFO L246 CegarLoopResult]: For program point L829-2(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,154 INFO L242 CegarLoopResult]: At program point L367(lines 360 370) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isMethaneAlarm_#res| ~methaneLevelCritical~0) (<= 1 ~pumpRunning~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:12,154 INFO L242 CegarLoopResult]: At program point L367-1(lines 360 370) the Hoare annotation is: false [2019-11-28 00:21:12,154 INFO L246 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,154 INFO L242 CegarLoopResult]: At program point L367-2(lines 360 370) the Hoare annotation is: false [2019-11-28 00:21:12,155 INFO L246 CegarLoopResult]: For program point L301-1(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,155 INFO L246 CegarLoopResult]: For program point L301-2(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,155 INFO L246 CegarLoopResult]: For program point L301-3(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,155 INFO L246 CegarLoopResult]: For program point L301-4(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,155 INFO L246 CegarLoopResult]: For program point L301-5(lines 301 309) no Hoare annotation was computed. [2019-11-28 00:21:12,155 INFO L249 CegarLoopResult]: At program point L929(lines 910 932) the Hoare annotation is: true [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,156 INFO L246 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2019-11-28 00:21:12,157 INFO L242 CegarLoopResult]: At program point L964(lines 959 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:12,157 INFO L246 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2019-11-28 00:21:12,157 INFO L242 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse3 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse2))) [2019-11-28 00:21:12,157 INFO L242 CegarLoopResult]: At program point L272-1(lines 272 278) the Hoare annotation is: false [2019-11-28 00:21:12,157 INFO L246 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-28 00:21:12,158 INFO L242 CegarLoopResult]: At program point L272-2(lines 272 278) the Hoare annotation is: false [2019-11-28 00:21:12,158 INFO L242 CegarLoopResult]: At program point L206-1(lines 206 212) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse3) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-11-28 00:21:12,158 INFO L246 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2019-11-28 00:21:12,158 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,158 INFO L242 CegarLoopResult]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:12,161 INFO L242 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2019-11-28 00:21:12,162 INFO L242 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2))) [2019-11-28 00:21:12,162 INFO L242 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2019-11-28 00:21:12,162 INFO L242 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2019-11-28 00:21:12,162 INFO L242 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2019-11-28 00:21:12,162 INFO L242 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2019-11-28 00:21:12,163 INFO L242 CegarLoopResult]: At program point L376(lines 371 379) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 (<= 1 ~pumpRunning~0) .cse0 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3))) [2019-11-28 00:21:12,163 INFO L242 CegarLoopResult]: At program point L376-1(lines 371 379) the Hoare annotation is: false [2019-11-28 00:21:12,163 INFO L242 CegarLoopResult]: At program point L376-2(lines 371 379) the Hoare annotation is: false [2019-11-28 00:21:12,163 INFO L242 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: false [2019-11-28 00:21:12,164 INFO L242 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:12,164 INFO L246 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2019-11-28 00:21:12,164 INFO L242 CegarLoopResult]: At program point L216-1(lines 216 222) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~systemActive~0))) (or (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2)) .cse4) (and .cse3 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse4 .cse8 .cse2) (and .cse1 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse2 .cse6) (and .cse8 .cse5 .cse2 .cse6 .cse7))) [2019-11-28 00:21:12,164 INFO L246 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2019-11-28 00:21:12,164 INFO L242 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: false [2019-11-28 00:21:12,164 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point L849-1(lines 265 271) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2019-11-28 00:21:12,165 INFO L246 CegarLoopResult]: For program point L323-1(lines 323 340) no Hoare annotation was computed. [2019-11-28 00:21:12,166 INFO L246 CegarLoopResult]: For program point L323-2(lines 323 340) no Hoare annotation was computed. [2019-11-28 00:21:12,166 INFO L246 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-11-28 00:21:12,166 INFO L242 CegarLoopResult]: At program point L60-1(lines 1 967) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse3) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-11-28 00:21:12,166 INFO L246 CegarLoopResult]: For program point L60-2(lines 60 77) no Hoare annotation was computed. [2019-11-28 00:21:12,167 INFO L242 CegarLoopResult]: At program point L60-3(lines 1 967) the Hoare annotation is: false [2019-11-28 00:21:12,167 INFO L246 CegarLoopResult]: For program point L60-4(lines 60 77) no Hoare annotation was computed. [2019-11-28 00:21:12,168 INFO L242 CegarLoopResult]: At program point L60-5(lines 1 967) the Hoare annotation is: false [2019-11-28 00:21:12,168 INFO L246 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2019-11-28 00:21:12,168 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-28 00:21:12,168 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:12,168 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2019-11-28 00:21:12,168 INFO L246 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L249 CegarLoopResult]: At program point L920-1(lines 920 927) the Hoare annotation is: true [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L425-3(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L425-5(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,169 INFO L246 CegarLoopResult]: For program point L425-6(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-8(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-9(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-11(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-12(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-14(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-15(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L425-17(lines 425 429) no Hoare annotation was computed. [2019-11-28 00:21:12,170 INFO L246 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L327-1(lines 327 335) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L242 CegarLoopResult]: At program point L956(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-11-28 00:21:12,171 INFO L246 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2019-11-28 00:21:12,172 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:12,172 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse2 .cse4 .cse3 (= 0 ~systemActive~0)))) [2019-11-28 00:21:12,172 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:21:12,172 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-11-28 00:21:12,172 INFO L242 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-11-28 00:21:12,173 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:12,173 INFO L246 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:21:12,173 INFO L242 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-11-28 00:21:12,173 INFO L242 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-11-28 00:21:12,173 INFO L246 CegarLoopResult]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:21:12,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-11-28 00:21:12,174 INFO L246 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,174 INFO L246 CegarLoopResult]: For program point L297-1(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,174 INFO L246 CegarLoopResult]: For program point L297-2(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,174 INFO L246 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-11-28 00:21:12,175 INFO L246 CegarLoopResult]: For program point L297-3(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,175 INFO L246 CegarLoopResult]: For program point L297-4(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,175 INFO L246 CegarLoopResult]: For program point L297-5(lines 297 314) no Hoare annotation was computed. [2019-11-28 00:21:12,175 INFO L242 CegarLoopResult]: At program point L265(lines 264 283) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (or (and .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1)) .cse3) (and .cse2 .cse4 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and .cse2 .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:12,175 INFO L246 CegarLoopResult]: For program point L265-1(lines 265 271) no Hoare annotation was computed. [2019-11-28 00:21:12,175 INFO L242 CegarLoopResult]: At program point L265-2(lines 264 283) the Hoare annotation is: false [2019-11-28 00:21:12,176 INFO L242 CegarLoopResult]: At program point L265-3(lines 264 283) the Hoare annotation is: false [2019-11-28 00:21:12,176 INFO L242 CegarLoopResult]: At program point L893(lines 889 895) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:12,176 INFO L242 CegarLoopResult]: At program point L431(lines 416 434) the Hoare annotation is: false [2019-11-28 00:21:12,176 INFO L242 CegarLoopResult]: At program point L431-1(lines 416 434) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1 .cse2) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:12,177 INFO L242 CegarLoopResult]: At program point L431-2(lines 416 434) the Hoare annotation is: false [2019-11-28 00:21:12,177 INFO L242 CegarLoopResult]: At program point L431-3(lines 416 434) the Hoare annotation is: false [2019-11-28 00:21:12,177 INFO L242 CegarLoopResult]: At program point L431-4(lines 416 434) the Hoare annotation is: false [2019-11-28 00:21:12,177 INFO L242 CegarLoopResult]: At program point L431-5(lines 416 434) the Hoare annotation is: false [2019-11-28 00:21:12,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:12 BoogieIcfgContainer [2019-11-28 00:21:12,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:12,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:12,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:12,218 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:12,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:04" (3/4) ... [2019-11-28 00:21:12,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:12,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:12,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:12,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:12,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:12,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:12,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:12,254 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:12,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:12,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-11-28 00:21:12,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning) || ((((0 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-11-28 00:21:12,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:12,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:12,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == \result) && 0 == splverifierCounter)) || (((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-11-28 00:21:12,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter [2019-11-28 00:21:12,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == methaneLevelCritical) && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter [2019-11-28 00:21:12,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:12,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == \result && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && methaneLevelCritical == \result) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:21:12,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:12,407 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:12,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:12,410 INFO L168 Benchmark]: Toolchain (without parser) took 9173.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 960.4 MB in the beginning and 895.4 MB in the end (delta: 65.0 MB). Peak memory consumption was 378.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,410 INFO L168 Benchmark]: CDTParser took 0.55 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 00:21:12,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,412 INFO L168 Benchmark]: Boogie Preprocessor took 52.11 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 00:21:12,413 INFO L168 Benchmark]: RCFGBuilder took 1000.33 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,414 INFO L168 Benchmark]: TraceAbstraction took 7234.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 149.8 MB). Peak memory consumption was 324.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,414 INFO L168 Benchmark]: Witness Printer took 190.79 ms. Allocated memory is still 1.3 GB. Free memory was 904.7 MB in the beginning and 895.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:12,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 606.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.11 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 1000.33 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7234.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 904.7 MB in the end (delta: 149.8 MB). Peak memory consumption was 324.1 MB. Max. memory is 11.5 GB. * Witness Printer took 190.79 ms. Allocated memory is still 1.3 GB. Free memory was 904.7 MB in the beginning and 895.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 829]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 829]: 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: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == \result && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && methaneLevelCritical == \result) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == \result) && 0 == splverifierCounter)) || (((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == methaneLevelCritical) && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning) || ((((0 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, HoareTripleCheckerStatistics: 1167 SDtfs, 1427 SDslu, 1754 SDs, 0 SdLazy, 266 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1218 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 147 NumberOfFragments, 730 HoareAnnotationTreeSize, 45 FomulaSimplifications, 114172 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 15017 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 29508 SizeOfPredicates, 1 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 81/82 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...