./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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 e8e2fe939766c7a542c760a74550866c5b83d51d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:58:00,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:58:00,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:58:00,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:58:00,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:58:00,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:58:00,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:58:00,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:58:00,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:58:00,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:58:00,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:58:00,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:58:00,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:58:00,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:58:00,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:58:00,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:58:00,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:58:00,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:58:00,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:58:00,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:58:00,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:58:00,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:58:00,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:58:00,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:58:00,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:58:00,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:58:00,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:58:00,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:58:00,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:58:00,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:58:00,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:58:00,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:58:00,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:58:00,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:58:00,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:58:00,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:58:00,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:58:00,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:58:00,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:58:00,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:58:00,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:58:00,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:58:00,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:58:00,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:58:00,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:58:00,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:58:00,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:58:00,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:58:00,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:58:00,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:58:00,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:58:00,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:58:00,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:58:00,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:58:00,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:58:00,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:58:00,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:58:00,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:58:00,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:58:00,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:58:00,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:58:00,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:58:00,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:58:00,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:58:00,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:58:00,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:58:00,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:58:00,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:58:00,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:58:00,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:58:00,217 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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2019-11-19 18:58:00,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:58:00,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:58:00,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:58:00,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:58:00,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:58:00,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-19 18:58:00,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e91e442/c5382e18ae60442eb468a36b2e1bac67/FLAGa4c339c36 [2019-11-19 18:58:01,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:58:01,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-19 18:58:01,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e91e442/c5382e18ae60442eb468a36b2e1bac67/FLAGa4c339c36 [2019-11-19 18:58:01,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e91e442/c5382e18ae60442eb468a36b2e1bac67 [2019-11-19 18:58:01,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:58:01,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:58:01,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:58:01,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:58:01,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:58:01,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191da8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01, skipping insertion in model container [2019-11-19 18:58:01,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,539 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:58:01,586 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:58:02,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:02,045 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:58:02,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:02,212 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:58:02,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02 WrapperNode [2019-11-19 18:58:02,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:58:02,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:02,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:58:02,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:58:02,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:02,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:58:02,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:58:02,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:58:02,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... [2019-11-19 18:58:02,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:58:02,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:58:02,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:58:02,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:58:02,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:58:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:58:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:58:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:58:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:58:03,430 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:58:03,430 INFO L285 CfgBuilder]: Removed 208 assume(true) statements. [2019-11-19 18:58:03,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:03 BoogieIcfgContainer [2019-11-19 18:58:03,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:58:03,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:58:03,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:58:03,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:58:03,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:58:01" (1/3) ... [2019-11-19 18:58:03,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f52e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:03, skipping insertion in model container [2019-11-19 18:58:03,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:02" (2/3) ... [2019-11-19 18:58:03,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f52e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:03, skipping insertion in model container [2019-11-19 18:58:03,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:03" (3/3) ... [2019-11-19 18:58:03,442 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2019-11-19 18:58:03,452 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:58:03,460 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:58:03,470 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:58:03,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:58:03,501 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:58:03,501 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:58:03,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:58:03,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:58:03,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:58:03,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:58:03,502 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:58:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-11-19 18:58:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:58:03,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,530 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 18:58:03,530 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2088069929, now seen corresponding path program 1 times [2019-11-19 18:58:03,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817365458] [2019-11-19 18:58:03,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817365458] [2019-11-19 18:58:03,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:03,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157387874] [2019-11-19 18:58:03,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:58:03,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:58:03,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:58:03,837 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-11-19 18:58:03,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,909 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-11-19 18:58:03,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:58:03,911 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-19 18:58:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,924 INFO L225 Difference]: With dead ends: 281 [2019-11-19 18:58:03,925 INFO L226 Difference]: Without dead ends: 140 [2019-11-19 18:58:03,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:58:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-19 18:58:03,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-19 18:58:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-19 18:58:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-11-19 18:58:03,975 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-11-19 18:58:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,975 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-19 18:58:03,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:58:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-11-19 18:58:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 18:58:03,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,977 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] [2019-11-19 18:58:03,977 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,978 INFO L82 PathProgramCache]: Analyzing trace with hash -282050376, now seen corresponding path program 1 times [2019-11-19 18:58:03,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029275168] [2019-11-19 18:58:03,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029275168] [2019-11-19 18:58:04,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:04,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072859085] [2019-11-19 18:58:04,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:04,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:04,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,156 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2019-11-19 18:58:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,171 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-11-19 18:58:04,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:04,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 18:58:04,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,173 INFO L225 Difference]: With dead ends: 140 [2019-11-19 18:58:04,173 INFO L226 Difference]: Without dead ends: 57 [2019-11-19 18:58:04,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-19 18:58:04,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-19 18:58:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-19 18:58:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-19 18:58:04,183 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-19 18:58:04,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,183 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-19 18:58:04,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-19 18:58:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 18:58:04,185 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,185 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 18:58:04,186 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,186 INFO L82 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2019-11-19 18:58:04,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615837031] [2019-11-19 18:58:04,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615837031] [2019-11-19 18:58:04,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:04,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362193510] [2019-11-19 18:58:04,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:04,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:04,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,338 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-19 18:58:04,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,369 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-11-19 18:58:04,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:04,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 18:58:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,374 INFO L225 Difference]: With dead ends: 107 [2019-11-19 18:58:04,375 INFO L226 Difference]: Without dead ends: 57 [2019-11-19 18:58:04,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-19 18:58:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-19 18:58:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-19 18:58:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-11-19 18:58:04,389 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-11-19 18:58:04,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,390 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-11-19 18:58:04,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-11-19 18:58:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 18:58:04,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,398 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 18:58:04,400 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2019-11-19 18:58:04,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9282336] [2019-11-19 18:58:04,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9282336] [2019-11-19 18:58:04,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:04,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569981037] [2019-11-19 18:58:04,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:04,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:04,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,508 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-11-19 18:58:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,550 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-11-19 18:58:04,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:04,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-19 18:58:04,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,553 INFO L225 Difference]: With dead ends: 131 [2019-11-19 18:58:04,553 INFO L226 Difference]: Without dead ends: 81 [2019-11-19 18:58:04,554 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-19 18:58:04,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-11-19 18:58:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-19 18:58:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-11-19 18:58:04,565 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-11-19 18:58:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,565 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-11-19 18:58:04,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-11-19 18:58:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 18:58:04,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,567 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:04,568 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,568 INFO L82 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2019-11-19 18:58:04,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158347087] [2019-11-19 18:58:04,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158347087] [2019-11-19 18:58:04,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:58:04,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66121347] [2019-11-19 18:58:04,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:04,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:04,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:04,696 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-11-19 18:58:04,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,952 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-11-19 18:58:04,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:04,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-19 18:58:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,955 INFO L225 Difference]: With dead ends: 266 [2019-11-19 18:58:04,955 INFO L226 Difference]: Without dead ends: 194 [2019-11-19 18:58:04,956 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 18:58:04,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-19 18:58:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-11-19 18:58:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-19 18:58:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-11-19 18:58:04,978 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-11-19 18:58:04,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,978 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-11-19 18:58:04,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-11-19 18:58:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:04,982 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,982 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 18:58:04,983 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2019-11-19 18:58:04,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297668835] [2019-11-19 18:58:04,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297668835] [2019-11-19 18:58:05,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:05,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:05,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925540626] [2019-11-19 18:58:05,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:05,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:05,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:05,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:05,066 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-11-19 18:58:05,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,159 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-11-19 18:58:05,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:58:05,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-19 18:58:05,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,161 INFO L225 Difference]: With dead ends: 198 [2019-11-19 18:58:05,161 INFO L226 Difference]: Without dead ends: 127 [2019-11-19 18:58:05,162 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 18:58:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-19 18:58:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-19 18:58:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-19 18:58:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-11-19 18:58:05,175 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-11-19 18:58:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:05,175 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-11-19 18:58:05,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-11-19 18:58:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:05,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:05,177 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 18:58:05,178 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:05,179 INFO L82 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2019-11-19 18:58:05,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:05,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082429859] [2019-11-19 18:58:05,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082429859] [2019-11-19 18:58:05,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:05,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:05,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283210902] [2019-11-19 18:58:05,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:05,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:05,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:05,253 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 5 states. [2019-11-19 18:58:05,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,365 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2019-11-19 18:58:05,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:58:05,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-19 18:58:05,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,367 INFO L225 Difference]: With dead ends: 215 [2019-11-19 18:58:05,368 INFO L226 Difference]: Without dead ends: 138 [2019-11-19 18:58:05,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:58:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-19 18:58:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2019-11-19 18:58:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-19 18:58:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-11-19 18:58:05,391 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-11-19 18:58:05,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:05,392 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-11-19 18:58:05,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-11-19 18:58:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:05,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:05,397 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 18:58:05,397 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:05,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:05,397 INFO L82 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2019-11-19 18:58:05,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:05,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062230767] [2019-11-19 18:58:05,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062230767] [2019-11-19 18:58:05,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:05,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:05,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144035519] [2019-11-19 18:58:05,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:05,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:05,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:05,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:05,457 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2019-11-19 18:58:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,489 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2019-11-19 18:58:05,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:05,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-19 18:58:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,491 INFO L225 Difference]: With dead ends: 197 [2019-11-19 18:58:05,491 INFO L226 Difference]: Without dead ends: 116 [2019-11-19 18:58:05,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:05,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-19 18:58:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-19 18:58:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-19 18:58:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2019-11-19 18:58:05,518 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2019-11-19 18:58:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:05,519 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2019-11-19 18:58:05,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2019-11-19 18:58:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 18:58:05,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:05,521 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, 1] [2019-11-19 18:58:05,521 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:05,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:05,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2019-11-19 18:58:05,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:05,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812045040] [2019-11-19 18:58:05,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812045040] [2019-11-19 18:58:05,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:05,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:58:05,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81107860] [2019-11-19 18:58:05,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:58:05,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:05,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:58:05,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:58:05,656 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2019-11-19 18:58:05,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,953 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2019-11-19 18:58:05,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:05,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-19 18:58:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,956 INFO L225 Difference]: With dead ends: 437 [2019-11-19 18:58:05,956 INFO L226 Difference]: Without dead ends: 356 [2019-11-19 18:58:05,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:58:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-11-19 18:58:06,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2019-11-19 18:58:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-19 18:58:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2019-11-19 18:58:06,028 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2019-11-19 18:58:06,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:06,030 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2019-11-19 18:58:06,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:58:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2019-11-19 18:58:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 18:58:06,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:06,031 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:06,032 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:06,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:06,032 INFO L82 PathProgramCache]: Analyzing trace with hash 730179745, now seen corresponding path program 1 times [2019-11-19 18:58:06,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:06,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671766708] [2019-11-19 18:58:06,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:06,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671766708] [2019-11-19 18:58:06,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349509413] [2019-11-19 18:58:06,110 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 18:58:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:06,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 18:58:06,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:58:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:06,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:58:06,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-19 18:58:06,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003230971] [2019-11-19 18:58:06,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 18:58:06,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:06,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 18:58:06,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:58:06,368 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2019-11-19 18:58:06,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:06,613 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2019-11-19 18:58:06,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 18:58:06,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-11-19 18:58:06,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:06,614 INFO L225 Difference]: With dead ends: 321 [2019-11-19 18:58:06,614 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:58:06,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:58:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:58:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:58:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:58:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:58:06,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-19 18:58:06,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:06,618 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:58:06,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 18:58:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:58:06,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:58:06,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:58:06,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:58:07,587 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2019-11-19 18:58:07,781 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-19 18:58:07,944 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-19 18:58:08,260 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-11-19 18:58:08,485 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2019-11-19 18:58:08,678 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-19 18:58:08,885 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-19 18:58:09,255 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-19 18:58:09,289 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-11-19 18:58:09,290 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,290 INFO L440 ceAbstractionStarter]: At program point L729-2(lines 729 733) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2019-11-19 18:58:09,290 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,290 INFO L444 ceAbstractionStarter]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,290 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,290 INFO L444 ceAbstractionStarter]: For program point L796-3(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,291 INFO L444 ceAbstractionStarter]: For program point L796-4(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,291 INFO L444 ceAbstractionStarter]: For program point L796-5(lines 796 804) no Hoare annotation was computed. [2019-11-19 18:58:09,291 INFO L440 ceAbstractionStarter]: At program point L169(lines 760 766) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)))) [2019-11-19 18:58:09,291 INFO L440 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-19 18:58:09,291 INFO L440 ceAbstractionStarter]: At program point L169-1(lines 760 766) the Hoare annotation is: false [2019-11-19 18:58:09,291 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-19 18:58:09,291 INFO L440 ceAbstractionStarter]: At program point L169-2(lines 760 766) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L963(lines 948 966) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L440 ceAbstractionStarter]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2019-11-19 18:58:09,292 INFO L447 ceAbstractionStarter]: At program point L666(lines 647 669) the Hoare annotation is: true [2019-11-19 18:58:09,293 INFO L440 ceAbstractionStarter]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,293 INFO L440 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-19 18:58:09,293 INFO L440 ceAbstractionStarter]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2019-11-19 18:58:09,293 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-11-19 18:58:09,293 INFO L440 ceAbstractionStarter]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2019-11-19 18:58:09,294 INFO L440 ceAbstractionStarter]: At program point L701-1(lines 701 707) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-19 18:58:09,294 INFO L440 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: false [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,294 INFO L444 ceAbstractionStarter]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L444 ceAbstractionStarter]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2019-11-19 18:58:09,295 INFO L440 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,296 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-19 18:58:09,296 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-19 18:58:09,296 INFO L444 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,296 INFO L444 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,296 INFO L444 ceAbstractionStarter]: For program point L675-2(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,296 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2019-11-19 18:58:09,296 INFO L440 ceAbstractionStarter]: At program point L180-1(lines 1 1009) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (<= 2 ~waterLevel~0) .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-19 18:58:09,297 INFO L444 ceAbstractionStarter]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2019-11-19 18:58:09,297 INFO L440 ceAbstractionStarter]: At program point L180-3(lines 1 1009) the Hoare annotation is: false [2019-11-19 18:58:09,297 INFO L444 ceAbstractionStarter]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2019-11-19 18:58:09,297 INFO L440 ceAbstractionStarter]: At program point L180-5(lines 1 1009) the Hoare annotation is: false [2019-11-19 18:58:09,297 INFO L440 ceAbstractionStarter]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,297 INFO L444 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-11-19 18:58:09,297 INFO L440 ceAbstractionStarter]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2019-11-19 18:58:09,298 INFO L440 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: false [2019-11-19 18:58:09,298 INFO L444 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-11-19 18:58:09,298 INFO L444 ceAbstractionStarter]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2019-11-19 18:58:09,298 INFO L444 ceAbstractionStarter]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2019-11-19 18:58:09,298 INFO L440 ceAbstractionStarter]: At program point L944(lines 929 947) the Hoare annotation is: false [2019-11-19 18:58:09,298 INFO L440 ceAbstractionStarter]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse2 .cse3) .cse1))) [2019-11-19 18:58:09,298 INFO L440 ceAbstractionStarter]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2019-11-19 18:58:09,298 INFO L440 ceAbstractionStarter]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2019-11-19 18:58:09,299 INFO L440 ceAbstractionStarter]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2019-11-19 18:58:09,299 INFO L440 ceAbstractionStarter]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L185-2(lines 185 191) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L185-4(lines 185 191) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:58:09,299 INFO L444 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880(lines 873 883) the Hoare annotation is: false [2019-11-19 18:58:09,300 INFO L444 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880-1(lines 873 883) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 873 883) the Hoare annotation is: false [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880-3(lines 873 883) the Hoare annotation is: false [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880-4(lines 873 883) the Hoare annotation is: false [2019-11-19 18:58:09,300 INFO L440 ceAbstractionStarter]: At program point L880-5(lines 873 883) the Hoare annotation is: false [2019-11-19 18:58:09,300 INFO L444 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-11-19 18:58:09,301 INFO L444 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-11-19 18:58:09,301 INFO L440 ceAbstractionStarter]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-19 18:58:09,301 INFO L440 ceAbstractionStarter]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-11-19 18:58:09,301 INFO L440 ceAbstractionStarter]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-11-19 18:58:09,301 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,301 INFO L440 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-19 18:58:09,301 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,302 INFO L440 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-11-19 18:58:09,302 INFO L440 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-19 18:58:09,302 INFO L440 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-19 18:58:09,302 INFO L440 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-19 18:58:09,302 INFO L444 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2019-11-19 18:58:09,302 INFO L444 ceAbstractionStarter]: For program point L818-1(lines 818 835) no Hoare annotation was computed. [2019-11-19 18:58:09,302 INFO L444 ceAbstractionStarter]: For program point L818-2(lines 818 835) no Hoare annotation was computed. [2019-11-19 18:58:09,302 INFO L440 ceAbstractionStarter]: At program point L159(lines 154 161) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,302 INFO L444 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L822-1(lines 822 830) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-11-19 18:58:09,303 INFO L444 ceAbstractionStarter]: For program point L855-6(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,304 INFO L447 ceAbstractionStarter]: At program point L657-1(lines 657 664) the Hoare annotation is: true [2019-11-19 18:58:09,304 INFO L444 ceAbstractionStarter]: For program point L855-8(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,304 INFO L444 ceAbstractionStarter]: For program point L855-10(lines 855 861) no Hoare annotation was computed. [2019-11-19 18:58:09,304 INFO L440 ceAbstractionStarter]: At program point L889(lines 884 892) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4)))) [2019-11-19 18:58:09,304 INFO L440 ceAbstractionStarter]: At program point L889-1(lines 884 892) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-19 18:58:09,304 INFO L440 ceAbstractionStarter]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-11-19 18:58:09,305 INFO L440 ceAbstractionStarter]: At program point L889-3(lines 884 892) the Hoare annotation is: false [2019-11-19 18:58:09,305 INFO L440 ceAbstractionStarter]: At program point L889-4(lines 884 892) the Hoare annotation is: false [2019-11-19 18:58:09,305 INFO L440 ceAbstractionStarter]: At program point L889-5(lines 884 892) the Hoare annotation is: false [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,305 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,306 INFO L444 ceAbstractionStarter]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L792-3(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L792-5(lines 792 809) no Hoare annotation was computed. [2019-11-19 18:58:09,307 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-19 18:58:09,308 INFO L440 ceAbstractionStarter]: At program point L760(lines 756 778) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-19 18:58:09,308 INFO L440 ceAbstractionStarter]: At program point L760-1(lines 756 778) the Hoare annotation is: false [2019-11-19 18:58:09,308 INFO L440 ceAbstractionStarter]: At program point L760-2(lines 756 778) the Hoare annotation is: false [2019-11-19 18:58:09,308 INFO L440 ceAbstractionStarter]: At program point L629(lines 625 631) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:58:09 BoogieIcfgContainer [2019-11-19 18:58:09,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:58:09,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:58:09,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:58:09,357 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:58:09,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:03" (3/4) ... [2019-11-19 18:58:09,362 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:58:09,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:58:09,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 18:58:09,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 18:58:09,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:58:09,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:58:09,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:58:09,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 18:58:09,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 18:58:09,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-19 18:58:09,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 18:58:09,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-19 18:58:09,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 18:58:09,572 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:58:09,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:58:09,574 INFO L168 Benchmark]: Toolchain (without parser) took 8053.73 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.7 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -332.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,575 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:58:09,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,576 INFO L168 Benchmark]: Boogie Preprocessor took 64.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,577 INFO L168 Benchmark]: RCFGBuilder took 1072.03 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,577 INFO L168 Benchmark]: TraceAbstraction took 5922.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -263.1 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,578 INFO L168 Benchmark]: Witness Printer took 216.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 691.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.98 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 64.64 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 1072.03 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5922.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -263.1 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. * Witness Printer took 216.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: 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: 86]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, HoareTripleCheckerStatistics: 1126 SDtfs, 1255 SDslu, 1479 SDs, 0 SdLazy, 247 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 709 HoareAnnotationTreeSize, 62 FomulaSimplifications, 39641 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5838 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31435 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...