./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a22d1d84f43657cc690c98e940f1a10486e8ef5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:28,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:28,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:28,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:28,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:28,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:28,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:28,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:28,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:28,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:28,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:28,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:28,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:28,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:28,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:28,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:28,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:28,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:28,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:28,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:28,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:28,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:28,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:28,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:28,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:28,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:28,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:28,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:28,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:28,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:28,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:28,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:28,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:28,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:28,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:28,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:28,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:28,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:28,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:28,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:28,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:28,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:28,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:28,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:28,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:28,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:28,201 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:28,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:28,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:28,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:28,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:28,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:28,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:28,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:28,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:28,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:28,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:28,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:28,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:28,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:28,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:28,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:28,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:28,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:28,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:28,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:28,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:28,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:28,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:28,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:28,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-11-19 21:22:28,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:28,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:28,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:28,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:28,563 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:28,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-19 21:22:28,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5f2280e/efe2295815734796b2c530417ba23b5f/FLAG6e09dc21b [2019-11-19 21:22:29,173 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:29,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-19 21:22:29,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5f2280e/efe2295815734796b2c530417ba23b5f/FLAG6e09dc21b [2019-11-19 21:22:29,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd5f2280e/efe2295815734796b2c530417ba23b5f [2019-11-19 21:22:29,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:29,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:29,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:29,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:29,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:29,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:29" (1/1) ... [2019-11-19 21:22:29,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0505fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:29, skipping insertion in model container [2019-11-19 21:22:29,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:29" (1/1) ... [2019-11-19 21:22:29,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:29,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:30,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:30,030 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:30,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:30,179 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:30,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30 WrapperNode [2019-11-19 21:22:30,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:30,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:30,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:30,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:30,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:30,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:30,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:30,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... [2019-11-19 21:22:30,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:30,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:30,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:30,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:30,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:31,452 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:31,453 INFO L285 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-19 21:22:31,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:31 BoogieIcfgContainer [2019-11-19 21:22:31,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:31,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:31,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:31,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:31,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:29" (1/3) ... [2019-11-19 21:22:31,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ae596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:31, skipping insertion in model container [2019-11-19 21:22:31,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:30" (2/3) ... [2019-11-19 21:22:31,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ae596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:31, skipping insertion in model container [2019-11-19 21:22:31,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:31" (3/3) ... [2019-11-19 21:22:31,464 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-11-19 21:22:31,474 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:31,483 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:31,495 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:31,523 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:31,524 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:31,524 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:31,524 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:31,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:31,525 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:31,525 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:31,525 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-19 21:22:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:31,555 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:31,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:31,557 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:31,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:31,564 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2019-11-19 21:22:31,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:31,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344870882] [2019-11-19 21:22:31,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:31,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344870882] [2019-11-19 21:22:31,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:31,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:31,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140095000] [2019-11-19 21:22:31,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:31,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:31,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:31,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:31,837 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-19 21:22:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:31,900 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2019-11-19 21:22:31,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:31,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:31,917 INFO L225 Difference]: With dead ends: 263 [2019-11-19 21:22:31,917 INFO L226 Difference]: Without dead ends: 131 [2019-11-19 21:22:31,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-19 21:22:31,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-19 21:22:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-19 21:22:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2019-11-19 21:22:31,968 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2019-11-19 21:22:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:31,969 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2019-11-19 21:22:31,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-11-19 21:22:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:31,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:31,971 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:31,971 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:31,972 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2019-11-19 21:22:31,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:31,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333948406] [2019-11-19 21:22:31,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:32,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333948406] [2019-11-19 21:22:32,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:32,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:32,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156749294] [2019-11-19 21:22:32,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:32,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:32,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:32,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,125 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2019-11-19 21:22:32,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:32,141 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2019-11-19 21:22:32,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:32,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:32,143 INFO L225 Difference]: With dead ends: 131 [2019-11-19 21:22:32,144 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:22:32,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:22:32,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:22:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:22:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-19 21:22:32,154 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-19 21:22:32,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:32,154 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-19 21:22:32,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-19 21:22:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:32,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:32,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:32,157 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:32,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:32,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2019-11-19 21:22:32,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:32,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646976866] [2019-11-19 21:22:32,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:32,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646976866] [2019-11-19 21:22:32,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:32,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:32,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393478674] [2019-11-19 21:22:32,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:32,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:32,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:32,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,255 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2019-11-19 21:22:32,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:32,301 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-19 21:22:32,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:32,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 21:22:32,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:32,303 INFO L225 Difference]: With dead ends: 151 [2019-11-19 21:22:32,304 INFO L226 Difference]: Without dead ends: 103 [2019-11-19 21:22:32,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-19 21:22:32,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-11-19 21:22:32,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-19 21:22:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2019-11-19 21:22:32,320 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2019-11-19 21:22:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:32,321 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2019-11-19 21:22:32,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2019-11-19 21:22:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:22:32,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:32,323 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:32,323 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2019-11-19 21:22:32,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:32,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592518175] [2019-11-19 21:22:32,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:32,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592518175] [2019-11-19 21:22:32,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:32,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:32,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034823804] [2019-11-19 21:22:32,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:32,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:32,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:32,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,435 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2019-11-19 21:22:32,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:32,480 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2019-11-19 21:22:32,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:32,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:22:32,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:32,482 INFO L225 Difference]: With dead ends: 234 [2019-11-19 21:22:32,482 INFO L226 Difference]: Without dead ends: 142 [2019-11-19 21:22:32,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-19 21:22:32,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-11-19 21:22:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-19 21:22:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2019-11-19 21:22:32,501 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2019-11-19 21:22:32,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:32,502 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2019-11-19 21:22:32,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2019-11-19 21:22:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:22:32,504 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:32,504 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:32,504 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:32,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:32,505 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2019-11-19 21:22:32,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:32,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555654734] [2019-11-19 21:22:32,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:32,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555654734] [2019-11-19 21:22:32,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:32,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:32,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043791642] [2019-11-19 21:22:32,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:32,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:32,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:32,605 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2019-11-19 21:22:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:32,777 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2019-11-19 21:22:32,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:32,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-19 21:22:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:32,785 INFO L225 Difference]: With dead ends: 685 [2019-11-19 21:22:32,786 INFO L226 Difference]: Without dead ends: 552 [2019-11-19 21:22:32,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-11-19 21:22:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2019-11-19 21:22:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-11-19 21:22:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2019-11-19 21:22:32,826 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2019-11-19 21:22:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:32,826 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2019-11-19 21:22:32,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2019-11-19 21:22:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 21:22:32,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:32,829 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:32,829 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:32,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:32,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2019-11-19 21:22:32,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:32,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676600449] [2019-11-19 21:22:32,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:32,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676600449] [2019-11-19 21:22:32,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:32,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:32,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556069596] [2019-11-19 21:22:32,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:32,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:32,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:32,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:32,917 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2019-11-19 21:22:33,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,111 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2019-11-19 21:22:33,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:22:33,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-19 21:22:33,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,118 INFO L225 Difference]: With dead ends: 997 [2019-11-19 21:22:33,118 INFO L226 Difference]: Without dead ends: 745 [2019-11-19 21:22:33,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-11-19 21:22:33,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2019-11-19 21:22:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-19 21:22:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2019-11-19 21:22:33,152 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2019-11-19 21:22:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,153 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2019-11-19 21:22:33,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2019-11-19 21:22:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:33,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,156 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2019-11-19 21:22:33,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31877149] [2019-11-19 21:22:33,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31877149] [2019-11-19 21:22:33,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:33,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309644895] [2019-11-19 21:22:33,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:33,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:33,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:33,251 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2019-11-19 21:22:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,346 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2019-11-19 21:22:33,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:33,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 21:22:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,350 INFO L225 Difference]: With dead ends: 687 [2019-11-19 21:22:33,351 INFO L226 Difference]: Without dead ends: 437 [2019-11-19 21:22:33,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-11-19 21:22:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2019-11-19 21:22:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-19 21:22:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2019-11-19 21:22:33,379 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2019-11-19 21:22:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,380 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2019-11-19 21:22:33,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2019-11-19 21:22:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:33,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,382 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,383 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,383 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2019-11-19 21:22:33,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106829494] [2019-11-19 21:22:33,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106829494] [2019-11-19 21:22:33,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:33,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610134862] [2019-11-19 21:22:33,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:33,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:33,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:33,461 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 5 states. [2019-11-19 21:22:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,691 INFO L93 Difference]: Finished difference Result 771 states and 1050 transitions. [2019-11-19 21:22:33,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:22:33,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 21:22:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,695 INFO L225 Difference]: With dead ends: 771 [2019-11-19 21:22:33,695 INFO L226 Difference]: Without dead ends: 497 [2019-11-19 21:22:33,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-11-19 21:22:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 297. [2019-11-19 21:22:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-11-19 21:22:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2019-11-19 21:22:33,722 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2019-11-19 21:22:33,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,723 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2019-11-19 21:22:33,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2019-11-19 21:22:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 21:22:33,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,726 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,727 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,727 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2019-11-19 21:22:33,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328047170] [2019-11-19 21:22:33,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:33,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328047170] [2019-11-19 21:22:33,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:33,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:33,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948220821] [2019-11-19 21:22:33,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:33,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:33,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:33,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:33,795 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2019-11-19 21:22:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:33,860 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2019-11-19 21:22:33,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:33,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-19 21:22:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:33,863 INFO L225 Difference]: With dead ends: 691 [2019-11-19 21:22:33,864 INFO L226 Difference]: Without dead ends: 401 [2019-11-19 21:22:33,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-19 21:22:33,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2019-11-19 21:22:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-19 21:22:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2019-11-19 21:22:33,899 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2019-11-19 21:22:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:33,899 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2019-11-19 21:22:33,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2019-11-19 21:22:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 21:22:33,902 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:33,902 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:33,903 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:33,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:33,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2019-11-19 21:22:33,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:33,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567970203] [2019-11-19 21:22:33,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567970203] [2019-11-19 21:22:34,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:22:34,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23438808] [2019-11-19 21:22:34,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:34,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:34,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:34,009 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2019-11-19 21:22:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,334 INFO L93 Difference]: Finished difference Result 1452 states and 1939 transitions. [2019-11-19 21:22:34,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-19 21:22:34,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-19 21:22:34,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,343 INFO L225 Difference]: With dead ends: 1452 [2019-11-19 21:22:34,343 INFO L226 Difference]: Without dead ends: 1058 [2019-11-19 21:22:34,345 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-19 21:22:34,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2019-11-19 21:22:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 401. [2019-11-19 21:22:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-19 21:22:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2019-11-19 21:22:34,393 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2019-11-19 21:22:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,394 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2019-11-19 21:22:34,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2019-11-19 21:22:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:22:34,395 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,396 INFO L410 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, 1, 1] [2019-11-19 21:22:34,396 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2139873590, now seen corresponding path program 1 times [2019-11-19 21:22:34,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988649766] [2019-11-19 21:22:34,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 21:22:34,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988649766] [2019-11-19 21:22:34,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:34,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:34,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407410748] [2019-11-19 21:22:34,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,453 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2019-11-19 21:22:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:34,530 INFO L93 Difference]: Finished difference Result 680 states and 883 transitions. [2019-11-19 21:22:34,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:34,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-19 21:22:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:34,533 INFO L225 Difference]: With dead ends: 680 [2019-11-19 21:22:34,534 INFO L226 Difference]: Without dead ends: 286 [2019-11-19 21:22:34,535 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:34,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-19 21:22:34,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2019-11-19 21:22:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-19 21:22:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2019-11-19 21:22:34,567 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 55 [2019-11-19 21:22:34,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:34,568 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2019-11-19 21:22:34,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2019-11-19 21:22:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 21:22:34,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:34,571 INFO L410 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] [2019-11-19 21:22:34,572 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:34,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2019-11-19 21:22:34,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:34,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444592171] [2019-11-19 21:22:34,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 21:22:34,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444592171] [2019-11-19 21:22:34,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662722302] [2019-11-19 21:22:34,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:34,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 21:22:34,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:34,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:22:34,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-11-19 21:22:34,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310280899] [2019-11-19 21:22:34,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:34,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:34,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:34,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:34,955 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand 3 states. [2019-11-19 21:22:35,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,023 INFO L93 Difference]: Finished difference Result 405 states and 520 transitions. [2019-11-19 21:22:35,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:35,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-19 21:22:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,028 INFO L225 Difference]: With dead ends: 405 [2019-11-19 21:22:35,028 INFO L226 Difference]: Without dead ends: 403 [2019-11-19 21:22:35,029 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-19 21:22:35,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 302. [2019-11-19 21:22:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-11-19 21:22:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2019-11-19 21:22:35,061 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 56 [2019-11-19 21:22:35,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,062 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2019-11-19 21:22:35,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2019-11-19 21:22:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 21:22:35,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:35,064 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:35,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:35,270 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:35,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:35,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1342172226, now seen corresponding path program 1 times [2019-11-19 21:22:35,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:35,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829202584] [2019-11-19 21:22:35,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 21:22:35,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829202584] [2019-11-19 21:22:35,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138557627] [2019-11-19 21:22:35,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:35,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:22:35,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 21:22:35,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:22:35,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-11-19 21:22:35,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464133862] [2019-11-19 21:22:35,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:35,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:35,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:35,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:22:35,636 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand 6 states. [2019-11-19 21:22:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:35,955 INFO L93 Difference]: Finished difference Result 785 states and 1013 transitions. [2019-11-19 21:22:35,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-19 21:22:35,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-11-19 21:22:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:35,956 INFO L225 Difference]: With dead ends: 785 [2019-11-19 21:22:35,956 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:35,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-19 21:22:35,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:35,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-11-19 21:22:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:35,961 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:35,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:35,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:36,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:36,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:36,418 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2019-11-19 21:22:36,553 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 96 [2019-11-19 21:22:37,121 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2019-11-19 21:22:37,584 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2019-11-19 21:22:38,054 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 157 [2019-11-19 21:22:38,338 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2019-11-19 21:22:38,518 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-11-19 21:22:38,805 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2019-11-19 21:22:39,290 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 15 [2019-11-19 21:22:39,770 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-19 21:22:40,811 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-19 21:22:41,567 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2019-11-19 21:22:42,504 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-19 21:22:43,089 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 22 [2019-11-19 21:22:43,493 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 15 [2019-11-19 21:22:43,649 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2019-11-19 21:22:44,376 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 13 [2019-11-19 21:22:44,953 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-19 21:22:45,447 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,538 INFO L444 ceAbstractionStarter]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,539 INFO L444 ceAbstractionStarter]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,539 INFO L444 ceAbstractionStarter]: For program point L300-3(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,539 INFO L444 ceAbstractionStarter]: For program point L300-4(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,540 INFO L440 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:45,540 INFO L444 ceAbstractionStarter]: For program point L300-5(lines 300 308) no Hoare annotation was computed. [2019-11-19 21:22:45,541 INFO L440 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-11-19 21:22:45,541 INFO L440 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-19 21:22:45,541 INFO L440 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-19 21:22:45,541 INFO L440 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-19 21:22:45,542 INFO L440 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-19 21:22:45,542 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-11-19 21:22:45,542 INFO L440 ceAbstractionStarter]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and (and .cse7 (and .cse0 .cse2 .cse3) .cse8) .cse4) (and (and .cse1 .cse5 .cse6 .cse2 .cse3) .cse4 .cse9) (and .cse7 .cse2 .cse3 .cse8 .cse4 .cse9))) [2019-11-19 21:22:45,542 INFO L440 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse3) (and .cse5 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (and .cse5 .cse0 .cse1) .cse2) (and .cse5 .cse4 .cse0 .cse1))) [2019-11-19 21:22:45,543 INFO L440 ceAbstractionStarter]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-11-19 21:22:45,543 INFO L440 ceAbstractionStarter]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-11-19 21:22:45,543 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 21:22:45,543 INFO L440 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: false [2019-11-19 21:22:45,543 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L441-3(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,544 INFO L444 ceAbstractionStarter]: For program point L441-5(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,545 INFO L440 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: false [2019-11-19 21:22:45,545 INFO L444 ceAbstractionStarter]: For program point L441-6(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,545 INFO L444 ceAbstractionStarter]: For program point L441-8(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,545 INFO L444 ceAbstractionStarter]: For program point L441-9(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,545 INFO L444 ceAbstractionStarter]: For program point L441-11(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,545 INFO L444 ceAbstractionStarter]: For program point L441-12(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,546 INFO L444 ceAbstractionStarter]: For program point L441-14(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,546 INFO L444 ceAbstractionStarter]: For program point L441-15(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,546 INFO L444 ceAbstractionStarter]: For program point L441-17(lines 441 445) no Hoare annotation was computed. [2019-11-19 21:22:45,546 INFO L444 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-11-19 21:22:45,546 INFO L444 ceAbstractionStarter]: For program point L905-1(lines 264 270) no Hoare annotation was computed. [2019-11-19 21:22:45,547 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-11-19 21:22:45,547 INFO L440 ceAbstractionStarter]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse0 .cse2) (and (and (and .cse1 .cse2) .cse6) .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3))) [2019-11-19 21:22:45,547 INFO L444 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-11-19 21:22:45,547 INFO L447 ceAbstractionStarter]: At program point L973-1(lines 973 980) the Hoare annotation is: true [2019-11-19 21:22:45,547 INFO L440 ceAbstractionStarter]: At program point L447(lines 432 450) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:45,547 INFO L440 ceAbstractionStarter]: At program point L447-1(lines 432 450) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2))) [2019-11-19 21:22:45,547 INFO L440 ceAbstractionStarter]: At program point L447-2(lines 432 450) the Hoare annotation is: false [2019-11-19 21:22:45,547 INFO L440 ceAbstractionStarter]: At program point L447-3(lines 432 450) the Hoare annotation is: false [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L447-4(lines 432 450) the Hoare annotation is: false [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L447-5(lines 432 450) the Hoare annotation is: false [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L482(lines 477 484) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L383(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L383-1(lines 376 386) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:45,548 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L383-2(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L383-3(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,548 INFO L440 ceAbstractionStarter]: At program point L383-4(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L383-5(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L383-6(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L383-7(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L383-8(lines 376 386) the Hoare annotation is: false [2019-11-19 21:22:45,549 INFO L444 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-19 21:22:45,549 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-19 21:22:45,549 INFO L444 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:45,549 INFO L440 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and (and .cse5 .cse6 .cse1 .cse2) .cse7) (and (and (and .cse1 .cse2) .cse3 .cse4) .cse7))) [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L447 ceAbstractionStarter]: At program point L982(lines 963 985) the Hoare annotation is: true [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L949(lines 945 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,550 INFO L440 ceAbstractionStarter]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,551 INFO L440 ceAbstractionStarter]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-11-19 21:22:45,551 INFO L444 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L440 ceAbstractionStarter]: At program point L455-1(lines 455 461) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L885-2(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,552 INFO L444 ceAbstractionStarter]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,553 INFO L444 ceAbstractionStarter]: For program point L358-6(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,553 INFO L444 ceAbstractionStarter]: For program point L358-8(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,553 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,553 INFO L444 ceAbstractionStarter]: For program point L358-10(lines 358 364) no Hoare annotation was computed. [2019-11-19 21:22:45,553 INFO L440 ceAbstractionStarter]: At program point L392(lines 387 395) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 (and .cse1 .cse2 .cse3) .cse4) (= 0 ~systemActive~0)) (and (and (= 1 ~systemActive~0) .cse1 .cse2 .cse3) .cse0 .cse4))) [2019-11-19 21:22:45,554 INFO L440 ceAbstractionStarter]: At program point L392-1(lines 387 395) the Hoare annotation is: false [2019-11-19 21:22:45,554 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-11-19 21:22:45,554 INFO L440 ceAbstractionStarter]: At program point L392-2(lines 387 395) the Hoare annotation is: false [2019-11-19 21:22:45,554 INFO L444 ceAbstractionStarter]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2019-11-19 21:22:45,554 INFO L444 ceAbstractionStarter]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2019-11-19 21:22:45,554 INFO L444 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-11-19 21:22:45,555 INFO L444 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-11-19 21:22:45,555 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-11-19 21:22:45,555 INFO L440 ceAbstractionStarter]: At program point L493-1(lines 1 985) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and (and .cse7 (and .cse0 .cse2 .cse3) .cse8) .cse4) (and (and .cse1 .cse5 .cse6 .cse2 .cse3) .cse4 .cse9) (and .cse7 .cse2 .cse3 .cse8 .cse4 .cse9))) [2019-11-19 21:22:45,555 INFO L444 ceAbstractionStarter]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2019-11-19 21:22:45,556 INFO L440 ceAbstractionStarter]: At program point L493-3(lines 1 985) the Hoare annotation is: false [2019-11-19 21:22:45,556 INFO L444 ceAbstractionStarter]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2019-11-19 21:22:45,556 INFO L440 ceAbstractionStarter]: At program point L493-5(lines 1 985) the Hoare annotation is: false [2019-11-19 21:22:45,556 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,556 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,556 INFO L444 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,557 INFO L444 ceAbstractionStarter]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,558 INFO L444 ceAbstractionStarter]: For program point L296-3(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,558 INFO L444 ceAbstractionStarter]: For program point L296-4(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,558 INFO L444 ceAbstractionStarter]: For program point L296-5(lines 296 313) no Hoare annotation was computed. [2019-11-19 21:22:45,558 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-19 21:22:45,558 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:45,559 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-19 21:22:45,559 INFO L440 ceAbstractionStarter]: At program point L264(lines 263 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse2) (and (and .cse5 .cse0 .cse1) .cse3) (and .cse4 .cse5 .cse1) (and .cse4 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-19 21:22:45,559 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-11-19 21:22:45,559 INFO L444 ceAbstractionStarter]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-11-19 21:22:45,559 INFO L440 ceAbstractionStarter]: At program point L231-1(lines 264 270) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse3) (and .cse5 .cse4 .cse1) (and .cse5 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-19 21:22:45,560 INFO L440 ceAbstractionStarter]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-11-19 21:22:45,560 INFO L440 ceAbstractionStarter]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-11-19 21:22:45,560 INFO L440 ceAbstractionStarter]: At program point L166(lines 1 985) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-19 21:22:45,560 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-11-19 21:22:45,560 INFO L444 ceAbstractionStarter]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2019-11-19 21:22:45,561 INFO L444 ceAbstractionStarter]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2019-11-19 21:22:45,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:45 BoogieIcfgContainer [2019-11-19 21:22:45,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:45,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:45,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:45,595 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:45,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:31" (3/4) ... [2019-11-19 21:22:45,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:45,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:45,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:45,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:45,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:45,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:45,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:45,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-11-19 21:22:45,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-11-19 21:22:45,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:22:45,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-11-19 21:22:45,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-19 21:22:45,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-19 21:22:45,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) [2019-11-19 21:22:45,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:45,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:45,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:45,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:45,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:45,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:45,847 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:45,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:45,849 INFO L168 Benchmark]: Toolchain (without parser) took 16366.27 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.7 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -296.5 MB). Peak memory consumption was 117.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,849 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:45,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,851 INFO L168 Benchmark]: Boogie Preprocessor took 62.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,851 INFO L168 Benchmark]: RCFGBuilder took 1116.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,852 INFO L168 Benchmark]: TraceAbstraction took 14137.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.4 MB). Peak memory consumption was 483.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,852 INFO L168 Benchmark]: Witness Printer took 253.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:45,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 696.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1116.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14137.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.4 MB). Peak memory consumption was 483.4 MB. Max. memory is 11.5 GB. * Witness Printer took 253.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((1 == \result && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 14.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, HoareTripleCheckerStatistics: 1512 SDtfs, 2000 SDslu, 2679 SDs, 0 SdLazy, 380 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, 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, 1909 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 929 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2820284 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 442917 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 43789 SizeOfPredicates, 6 NumberOfNonLiveVariables, 914 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 138/142 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...