./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec1_product60.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd72c57a95195c6db69021eb34c8125c134b3812 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:41:56,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:56,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:56,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:56,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:56,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:56,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:56,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:56,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:56,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:56,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:56,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:56,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:56,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:56,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:56,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:56,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:56,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:56,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:56,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:56,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:56,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:56,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:56,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:56,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:56,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:56,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:56,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:56,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:56,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:56,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:56,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:56,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:56,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:56,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:56,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:56,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:56,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:56,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:56,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:56,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:56,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:56,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:56,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:56,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:56,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:56,961 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:56,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:56,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:56,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:56,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:56,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:56,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:56,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:56,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:56,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:56,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:56,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:56,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:56,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:56,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:56,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:56,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:56,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:56,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:56,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:56,968 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(reach_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 -> cd72c57a95195c6db69021eb34c8125c134b3812 [2020-10-20 01:41:57,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:57,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:57,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:57,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:57,255 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:57,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-10-20 01:41:57,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81534a58f/0ca9ace8132843ddac5c9109808d769f/FLAG4dd1d8789 [2020-10-20 01:41:57,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:57,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-10-20 01:41:57,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81534a58f/0ca9ace8132843ddac5c9109808d769f/FLAG4dd1d8789 [2020-10-20 01:41:58,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81534a58f/0ca9ace8132843ddac5c9109808d769f [2020-10-20 01:41:58,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:58,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:58,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:58,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:58,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:58,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9179bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58, skipping insertion in model container [2020-10-20 01:41:58,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:58,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:58,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:58,657 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:58,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:58,869 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:58,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58 WrapperNode [2020-10-20 01:41:58,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:58,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:58,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:58,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:58,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:58,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:58,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:58,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:58,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:58,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:59,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:59,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:59,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (1/1) ... [2020-10-20 01:41:59,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:59,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:59,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:59,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:59,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (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 [2020-10-20 01:41:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:00,228 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:00,228 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-20 01:42:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:00 BoogieIcfgContainer [2020-10-20 01:42:00,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:00,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:00,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:00,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:00,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:58" (1/3) ... [2020-10-20 01:42:00,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ee600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:00, skipping insertion in model container [2020-10-20 01:42:00,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:58" (2/3) ... [2020-10-20 01:42:00,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ee600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:00, skipping insertion in model container [2020-10-20 01:42:00,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:00" (3/3) ... [2020-10-20 01:42:00,241 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-10-20 01:42:00,253 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:00,261 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:00,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:00,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:00,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:00,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:00,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:00,305 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:00,305 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:00,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:00,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-10-20 01:42:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:42:00,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:00,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,339 INFO L82 PathProgramCache]: Analyzing trace with hash -738998692, now seen corresponding path program 1 times [2020-10-20 01:42:00,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733385634] [2020-10-20 01:42:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:00,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733385634] [2020-10-20 01:42:00,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:00,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142368721] [2020-10-20 01:42:00,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:00,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:00,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:00,692 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-10-20 01:42:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,754 INFO L93 Difference]: Finished difference Result 271 states and 404 transitions. [2020-10-20 01:42:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:00,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:42:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,769 INFO L225 Difference]: With dead ends: 271 [2020-10-20 01:42:00,770 INFO L226 Difference]: Without dead ends: 133 [2020-10-20 01:42:00,774 INFO L677 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 [2020-10-20 01:42:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-20 01:42:00,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-20 01:42:00,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-20 01:42:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-10-20 01:42:00,821 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-10-20 01:42:00,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,821 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-10-20 01:42:00,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-10-20 01:42:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:42:00,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:00,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:00,826 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1785755589, now seen corresponding path program 1 times [2020-10-20 01:42:00,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855024591] [2020-10-20 01:42:00,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:00,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855024591] [2020-10-20 01:42:00,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:00,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:00,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141873684] [2020-10-20 01:42:00,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:00,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:00,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:00,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:00,928 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-10-20 01:42:00,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:00,944 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-10-20 01:42:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:00,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:42:00,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:00,946 INFO L225 Difference]: With dead ends: 133 [2020-10-20 01:42:00,946 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:42:00,947 INFO L677 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 [2020-10-20 01:42:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:42:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:42:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:42:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-20 01:42:00,955 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-10-20 01:42:00,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:00,955 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-20 01:42:00,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-20 01:42:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:42:00,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:00,956 INFO L422 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] [2020-10-20 01:42:00,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:00,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:00,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:00,957 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-10-20 01:42:00,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:00,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253003119] [2020-10-20 01:42:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:01,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253003119] [2020-10-20 01:42:01,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:01,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013440858] [2020-10-20 01:42:01,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:01,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:01,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:01,074 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-10-20 01:42:01,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,123 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2020-10-20 01:42:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:01,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:42:01,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,125 INFO L225 Difference]: With dead ends: 153 [2020-10-20 01:42:01,126 INFO L226 Difference]: Without dead ends: 104 [2020-10-20 01:42:01,127 INFO L677 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 [2020-10-20 01:42:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-20 01:42:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-10-20 01:42:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-20 01:42:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-10-20 01:42:01,142 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2020-10-20 01:42:01,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,142 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-10-20 01:42:01,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-10-20 01:42:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:01,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,144 INFO L422 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] [2020-10-20 01:42:01,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:01,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-10-20 01:42:01,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793119604] [2020-10-20 01:42:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:01,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793119604] [2020-10-20 01:42:01,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:01,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005436795] [2020-10-20 01:42:01,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:01,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:01,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:01,257 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2020-10-20 01:42:01,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,310 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2020-10-20 01:42:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:01,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,313 INFO L225 Difference]: With dead ends: 235 [2020-10-20 01:42:01,313 INFO L226 Difference]: Without dead ends: 141 [2020-10-20 01:42:01,315 INFO L677 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 [2020-10-20 01:42:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-20 01:42:01,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-10-20 01:42:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-20 01:42:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-10-20 01:42:01,331 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2020-10-20 01:42:01,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,332 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-10-20 01:42:01,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-10-20 01:42:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:01,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,349 INFO L422 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] [2020-10-20 01:42:01,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:01,349 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,351 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-10-20 01:42:01,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262991203] [2020-10-20 01:42:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:01,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262991203] [2020-10-20 01:42:01,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:01,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883769566] [2020-10-20 01:42:01,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:01,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:01,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:01,424 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2020-10-20 01:42:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,580 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2020-10-20 01:42:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:01,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,585 INFO L225 Difference]: With dead ends: 747 [2020-10-20 01:42:01,585 INFO L226 Difference]: Without dead ends: 614 [2020-10-20 01:42:01,587 INFO L677 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 [2020-10-20 01:42:01,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-10-20 01:42:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2020-10-20 01:42:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-20 01:42:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2020-10-20 01:42:01,617 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2020-10-20 01:42:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,617 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2020-10-20 01:42:01,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2020-10-20 01:42:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:01,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,619 INFO L422 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] [2020-10-20 01:42:01,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:01,620 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,621 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2020-10-20 01:42:01,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415913914] [2020-10-20 01:42:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:01,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415913914] [2020-10-20 01:42:01,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:01,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256787160] [2020-10-20 01:42:01,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:01,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:01,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:01,699 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2020-10-20 01:42:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:01,881 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2020-10-20 01:42:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:01,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:01,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:01,886 INFO L225 Difference]: With dead ends: 768 [2020-10-20 01:42:01,887 INFO L226 Difference]: Without dead ends: 766 [2020-10-20 01:42:01,888 INFO L677 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 [2020-10-20 01:42:01,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-20 01:42:01,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2020-10-20 01:42:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-20 01:42:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2020-10-20 01:42:01,909 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2020-10-20 01:42:01,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:01,910 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2020-10-20 01:42:01,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2020-10-20 01:42:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:01,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:01,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:01,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:01,913 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:01,913 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2020-10-20 01:42:01,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:01,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030898220] [2020-10-20 01:42:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:01,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030898220] [2020-10-20 01:42:01,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:01,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:01,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896397892] [2020-10-20 01:42:01,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:01,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:01,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:01,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:01,981 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2020-10-20 01:42:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:02,067 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2020-10-20 01:42:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:02,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:42:02,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:02,071 INFO L225 Difference]: With dead ends: 698 [2020-10-20 01:42:02,071 INFO L226 Difference]: Without dead ends: 442 [2020-10-20 01:42:02,072 INFO L677 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 [2020-10-20 01:42:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-20 01:42:02,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2020-10-20 01:42:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-20 01:42:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2020-10-20 01:42:02,092 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2020-10-20 01:42:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,092 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2020-10-20 01:42:02,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2020-10-20 01:42:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:02,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:02,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:02,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:02,095 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:02,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2020-10-20 01:42:02,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:02,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724589296] [2020-10-20 01:42:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:02,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724589296] [2020-10-20 01:42:02,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:02,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:02,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707226582] [2020-10-20 01:42:02,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:42:02,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:02,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:42:02,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:02,250 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2020-10-20 01:42:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:02,329 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2020-10-20 01:42:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:42:02,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-20 01:42:02,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:02,333 INFO L225 Difference]: With dead ends: 686 [2020-10-20 01:42:02,333 INFO L226 Difference]: Without dead ends: 406 [2020-10-20 01:42:02,335 INFO L677 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 [2020-10-20 01:42:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-20 01:42:02,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2020-10-20 01:42:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-20 01:42:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2020-10-20 01:42:02,357 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2020-10-20 01:42:02,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,357 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2020-10-20 01:42:02,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:42:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2020-10-20 01:42:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:02,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:02,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:02,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:02,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:02,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2020-10-20 01:42:02,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:02,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819638977] [2020-10-20 01:42:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:02,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819638977] [2020-10-20 01:42:02,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:02,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:02,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944940192] [2020-10-20 01:42:02,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:02,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:02,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:02,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:02,432 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2020-10-20 01:42:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:02,485 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2020-10-20 01:42:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:02,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:42:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:02,488 INFO L225 Difference]: With dead ends: 702 [2020-10-20 01:42:02,488 INFO L226 Difference]: Without dead ends: 406 [2020-10-20 01:42:02,489 INFO L677 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 [2020-10-20 01:42:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-20 01:42:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2020-10-20 01:42:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-20 01:42:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2020-10-20 01:42:02,515 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2020-10-20 01:42:02,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,515 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2020-10-20 01:42:02,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2020-10-20 01:42:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:42:02,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:02,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:02,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:02,518 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:02,518 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2020-10-20 01:42:02,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:02,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919161519] [2020-10-20 01:42:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:02,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919161519] [2020-10-20 01:42:02,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:02,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:02,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144050751] [2020-10-20 01:42:02,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:02,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:02,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:02,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:02,603 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 6 states. [2020-10-20 01:42:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:02,943 INFO L93 Difference]: Finished difference Result 1252 states and 1658 transitions. [2020-10-20 01:42:02,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:42:02,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:42:02,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:02,949 INFO L225 Difference]: With dead ends: 1252 [2020-10-20 01:42:02,949 INFO L226 Difference]: Without dead ends: 852 [2020-10-20 01:42:02,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-20 01:42:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 406. [2020-10-20 01:42:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-20 01:42:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2020-10-20 01:42:02,989 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2020-10-20 01:42:02,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:02,990 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2020-10-20 01:42:02,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2020-10-20 01:42:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:42:02,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:02,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:02,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:02,992 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash 907867481, now seen corresponding path program 1 times [2020-10-20 01:42:02,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:02,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530941355] [2020-10-20 01:42:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:42:03,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530941355] [2020-10-20 01:42:03,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:03,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:03,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134352443] [2020-10-20 01:42:03,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:03,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:03,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:03,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:03,042 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2020-10-20 01:42:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:03,171 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2020-10-20 01:42:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:03,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-20 01:42:03,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:03,174 INFO L225 Difference]: With dead ends: 688 [2020-10-20 01:42:03,174 INFO L226 Difference]: Without dead ends: 288 [2020-10-20 01:42:03,175 INFO L677 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 [2020-10-20 01:42:03,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-20 01:42:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2020-10-20 01:42:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-20 01:42:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2020-10-20 01:42:03,200 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2020-10-20 01:42:03,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:03,201 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2020-10-20 01:42:03,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2020-10-20 01:42:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:03,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:03,203 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:03,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:03,203 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:03,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:03,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1672926045, now seen corresponding path program 1 times [2020-10-20 01:42:03,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:03,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838688861] [2020-10-20 01:42:03,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:03,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838688861] [2020-10-20 01:42:03,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:03,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:03,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376083518] [2020-10-20 01:42:03,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:03,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:03,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:03,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:03,333 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2020-10-20 01:42:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:03,753 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2020-10-20 01:42:03,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:42:03,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-20 01:42:03,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:03,761 INFO L225 Difference]: With dead ends: 1458 [2020-10-20 01:42:03,761 INFO L226 Difference]: Without dead ends: 1272 [2020-10-20 01:42:03,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:03,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-10-20 01:42:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-10-20 01:42:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-20 01:42:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-10-20 01:42:03,823 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2020-10-20 01:42:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:03,824 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-10-20 01:42:03,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-10-20 01:42:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:03,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:03,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:03,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:03,827 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash -971861467, now seen corresponding path program 1 times [2020-10-20 01:42:03,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:03,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013301538] [2020-10-20 01:42:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:03,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013301538] [2020-10-20 01:42:03,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:03,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:03,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305825729] [2020-10-20 01:42:03,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:03,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:03,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:03,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:03,941 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2020-10-20 01:42:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:04,066 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2020-10-20 01:42:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:04,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-20 01:42:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:04,067 INFO L225 Difference]: With dead ends: 1114 [2020-10-20 01:42:04,067 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:04,069 INFO L677 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 [2020-10-20 01:42:04,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:04,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:42:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:04,071 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:04,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:04,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:04,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:42:04,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:04,985 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2020-10-20 01:42:05,332 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 138 [2020-10-20 01:42:05,497 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-10-20 01:42:05,872 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2020-10-20 01:42:06,053 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2020-10-20 01:42:06,259 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2020-10-20 01:42:06,748 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 182 [2020-10-20 01:42:07,148 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 175 [2020-10-20 01:42:07,484 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 179 [2020-10-20 01:42:08,826 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 177 DAG size of output: 23 [2020-10-20 01:42:09,629 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 30 [2020-10-20 01:42:10,113 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 28 [2020-10-20 01:42:10,353 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-10-20 01:42:10,583 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-10-20 01:42:11,313 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 30 [2020-10-20 01:42:11,737 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2020-10-20 01:42:12,619 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 31 [2020-10-20 01:42:12,739 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 20 [2020-10-20 01:42:12,996 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2020-10-20 01:42:13,139 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-10-20 01:42:14,542 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 179 DAG size of output: 30 [2020-10-20 01:42:15,823 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-20 01:42:17,082 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 176 DAG size of output: 30 [2020-10-20 01:42:17,090 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,090 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,091 INFO L274 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-10-20 01:42:17,092 INFO L274 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2020-10-20 01:42:17,093 INFO L274 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-10-20 01:42:17,093 INFO L274 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2020-10-20 01:42:17,093 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:17,093 INFO L274 CegarLoopResult]: For program point L700(lines 700 715) no Hoare annotation was computed. [2020-10-20 01:42:17,093 INFO L274 CegarLoopResult]: For program point L833(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L800(lines 800 808) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,094 INFO L274 CegarLoopResult]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse5 .cse4))) [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse6 .cse2 .cse4) (and .cse1 .cse7 .cse2 .cse4 .cse3 .cse5))) [2020-10-20 01:42:17,095 INFO L270 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2020-10-20 01:42:17,096 INFO L270 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2020-10-20 01:42:17,096 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:42:17,096 INFO L270 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2020-10-20 01:42:17,096 INFO L270 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2020-10-20 01:42:17,096 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,096 INFO L274 CegarLoopResult]: For program point L935(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,096 INFO L274 CegarLoopResult]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,096 INFO L274 CegarLoopResult]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,096 INFO L274 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L671(lines 670 719) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2020-10-20 01:42:17,097 INFO L274 CegarLoopResult]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L270 CegarLoopResult]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3 .cse2) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L270 CegarLoopResult]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2020-10-20 01:42:17,098 INFO L270 CegarLoopResult]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,098 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-10-20 01:42:17,099 INFO L274 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,099 INFO L270 CegarLoopResult]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4) (and .cse7 .cse5 .cse2 .cse4 .cse3) (and .cse5 .cse0 .cse2 .cse4 .cse3) (and .cse7 .cse5 .cse6 .cse4) (and .cse7 .cse1 .cse2 .cse4 .cse3))) [2020-10-20 01:42:17,099 INFO L274 CegarLoopResult]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,099 INFO L274 CegarLoopResult]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,099 INFO L274 CegarLoopResult]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2020-10-20 01:42:17,099 INFO L270 CegarLoopResult]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8))) [2020-10-20 01:42:17,099 INFO L270 CegarLoopResult]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2020-10-20 01:42:17,100 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-10-20 01:42:17,100 INFO L270 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-10-20 01:42:17,101 INFO L274 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-10-20 01:42:17,101 INFO L270 CegarLoopResult]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-10-20 01:42:17,101 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:17,101 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:42:17,101 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:42:17,101 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:42:17,101 INFO L270 CegarLoopResult]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse1))) [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,102 INFO L274 CegarLoopResult]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L653-2(line 653) no Hoare annotation was computed. [2020-10-20 01:42:17,103 INFO L274 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-10-20 01:42:17,104 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-10-20 01:42:17,104 INFO L274 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2020-10-20 01:42:17,104 INFO L270 CegarLoopResult]: At program point L720(lines 669 721) the Hoare annotation is: false [2020-10-20 01:42:17,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:17,104 INFO L274 CegarLoopResult]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-10-20 01:42:17,104 INFO L270 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:42:17,104 INFO L270 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= 0 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse8 .cse2 .cse3 .cse5 .cse4) (and .cse6 .cse7 .cse0 .cse3 .cse4 .cse5))) [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,105 INFO L270 CegarLoopResult]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922(lines 907 925) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2020-10-20 01:42:17,106 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:17,106 INFO L270 CegarLoopResult]: At program point L858(lines 851 861) the Hoare annotation is: false [2020-10-20 01:42:17,107 INFO L270 CegarLoopResult]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-10-20 01:42:17,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:17,107 INFO L270 CegarLoopResult]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2020-10-20 01:42:17,107 INFO L270 CegarLoopResult]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2020-10-20 01:42:17,107 INFO L270 CegarLoopResult]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2020-10-20 01:42:17,107 INFO L270 CegarLoopResult]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2020-10-20 01:42:17,107 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:42:17,107 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:42:17,108 INFO L270 CegarLoopResult]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:17,108 INFO L274 CegarLoopResult]: For program point L265(lines 265 278) no Hoare annotation was computed. [2020-10-20 01:42:17,108 INFO L270 CegarLoopResult]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse5))) [2020-10-20 01:42:17,108 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2020-10-20 01:42:17,108 INFO L270 CegarLoopResult]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2020-10-20 01:42:17,108 INFO L274 CegarLoopResult]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2020-10-20 01:42:17,108 INFO L270 CegarLoopResult]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2020-10-20 01:42:17,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:17 BoogieIcfgContainer [2020-10-20 01:42:17,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:17,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:17,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:17,146 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:17,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:00" (3/4) ... [2020-10-20 01:42:17,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:17,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:17,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:17,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:17,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:17,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:17,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:17,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:17,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:42:17,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:42:17,214 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:17,215 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:17,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:42:17,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:17,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:17,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:42:17,218 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:42:17,219 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:42:17,327 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:17,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:17,329 INFO L168 Benchmark]: Toolchain (without parser) took 19129.70 ms. Allocated memory was 35.7 MB in the beginning and 159.4 MB in the end (delta: 123.7 MB). Free memory was 8.1 MB in the beginning and 45.7 MB in the end (delta: -37.6 MB). Peak memory consumption was 86.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,329 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.36 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.2 MB in the beginning and 28.0 MB in the end (delta: -20.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.69 ms. Allocated memory is still 45.6 MB. Free memory was 28.0 MB in the beginning and 23.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,330 INFO L168 Benchmark]: Boogie Preprocessor took 76.64 ms. Allocated memory is still 45.6 MB. Free memory was 23.7 MB in the beginning and 20.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,330 INFO L168 Benchmark]: RCFGBuilder took 1206.10 ms. Allocated memory was 45.6 MB in the beginning and 52.4 MB in the end (delta: 6.8 MB). Free memory was 20.4 MB in the beginning and 30.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,331 INFO L168 Benchmark]: TraceAbstraction took 16913.47 ms. Allocated memory was 52.4 MB in the beginning and 159.4 MB in the end (delta: 107.0 MB). Free memory was 30.0 MB in the beginning and 60.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 131.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,331 INFO L168 Benchmark]: Witness Printer took 181.29 ms. Allocated memory is still 159.4 MB. Free memory was 60.7 MB in the beginning and 45.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:17,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 663.36 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.2 MB in the beginning and 28.0 MB in the end (delta: -20.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 77.69 ms. Allocated memory is still 45.6 MB. Free memory was 28.0 MB in the beginning and 23.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 76.64 ms. Allocated memory is still 45.6 MB. Free memory was 23.7 MB in the beginning and 20.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1206.10 ms. Allocated memory was 45.6 MB in the beginning and 52.4 MB in the end (delta: 6.8 MB). Free memory was 20.4 MB in the beginning and 30.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16913.47 ms. Allocated memory was 52.4 MB in the beginning and 159.4 MB in the end (delta: 107.0 MB). Free memory was 30.0 MB in the beginning and 60.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 131.3 MB. Max. memory is 14.3 GB. * Witness Printer took 181.29 ms. Allocated memory is still 159.4 MB. Free memory was 60.7 MB in the beginning and 45.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= tmp) && 1 == systemActive) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && \result == 1) && \result <= 0) && 0 <= tmp) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1563 SDtfs, 1978 SDslu, 2710 SDs, 0 SdLazy, 325 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2300 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1084 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1668031 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 365917 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...