./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b71d0221e52ad3170b58f60abcb38413b01772c1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:45:01,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:01,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:01,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:01,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:01,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:01,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:01,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:01,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:01,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:01,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:01,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:01,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:01,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:01,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:01,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:01,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:01,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:01,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:01,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:01,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:01,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:01,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:01,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:01,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:01,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:01,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:01,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:01,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:01,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:01,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:01,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:01,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:01,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:01,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:01,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:01,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:01,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:01,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:01,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:01,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:01,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:01,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:01,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:01,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:01,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:01,214 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:01,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:01,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:01,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:01,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:01,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:01,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:01,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:01,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:01,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:01,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:01,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:01,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:01,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:01,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:01,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:01,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:01,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:01,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:01,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:01,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:01,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:01,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:01,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:01,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:01,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2020-10-20 01:45:01,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:01,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:01,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:01,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:01,445 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:01,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-10-20 01:45:01,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a4a57ce/61a0e1fadaad49e7affb4324cc542715/FLAG39f9e1a1f [2020-10-20 01:45:02,097 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:02,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2020-10-20 01:45:02,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a4a57ce/61a0e1fadaad49e7affb4324cc542715/FLAG39f9e1a1f [2020-10-20 01:45:02,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a4a57ce/61a0e1fadaad49e7affb4324cc542715 [2020-10-20 01:45:02,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:02,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:02,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:02,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:02,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:02,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4182a675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02, skipping insertion in model container [2020-10-20 01:45:02,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:02,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:02,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:02,931 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:03,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:03,049 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:03,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03 WrapperNode [2020-10-20 01:45:03,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:03,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:03,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:03,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:03,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:03,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:03,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:03,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:03,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:04,185 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:04,186 INFO L298 CfgBuilder]: Removed 122 assume(true) statements. [2020-10-20 01:45:04,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04 BoogieIcfgContainer [2020-10-20 01:45:04,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:04,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:04,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:04,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:04,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:02" (1/3) ... [2020-10-20 01:45:04,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443d941a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:04, skipping insertion in model container [2020-10-20 01:45:04,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (2/3) ... [2020-10-20 01:45:04,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443d941a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:04, skipping insertion in model container [2020-10-20 01:45:04,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04" (3/3) ... [2020-10-20 01:45:04,198 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-10-20 01:45:04,210 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:04,218 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:04,233 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:04,272 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:04,272 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:04,272 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:04,273 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:04,273 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:04,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:04,274 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:04,274 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-10-20 01:45:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:04,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,303 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1486497901, now seen corresponding path program 1 times [2020-10-20 01:45:04,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080273905] [2020-10-20 01:45:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080273905] [2020-10-20 01:45:04,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:04,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232574420] [2020-10-20 01:45:04,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:04,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:04,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:04,666 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2020-10-20 01:45:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,723 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-10-20 01:45:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:04,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,743 INFO L225 Difference]: With dead ends: 174 [2020-10-20 01:45:04,743 INFO L226 Difference]: Without dead ends: 85 [2020-10-20 01:45:04,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-20 01:45:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-20 01:45:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-20 01:45:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-10-20 01:45:04,839 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-10-20 01:45:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,840 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-10-20 01:45:04,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-10-20 01:45:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:04,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:04,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,843 INFO L82 PathProgramCache]: Analyzing trace with hash 319521652, now seen corresponding path program 1 times [2020-10-20 01:45:04,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12379424] [2020-10-20 01:45:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12379424] [2020-10-20 01:45:05,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:05,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636139215] [2020-10-20 01:45:05,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,017 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-10-20 01:45:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,029 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-10-20 01:45:05,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,031 INFO L225 Difference]: With dead ends: 85 [2020-10-20 01:45:05,032 INFO L226 Difference]: Without dead ends: 40 [2020-10-20 01:45:05,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-20 01:45:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-20 01:45:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-20 01:45:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-10-20 01:45:05,039 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-10-20 01:45:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,039 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-10-20 01:45:05,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-10-20 01:45:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:05,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:05,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,042 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2020-10-20 01:45:05,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472743966] [2020-10-20 01:45:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472743966] [2020-10-20 01:45:05,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:05,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085782358] [2020-10-20 01:45:05,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,124 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-10-20 01:45:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,164 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-10-20 01:45:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:05,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,165 INFO L225 Difference]: With dead ends: 106 [2020-10-20 01:45:05,166 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:45:05,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:45:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-10-20 01:45:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-20 01:45:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-10-20 01:45:05,178 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-10-20 01:45:05,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,178 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-10-20 01:45:05,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-10-20 01:45:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:05,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:05,180 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2020-10-20 01:45:05,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808393808] [2020-10-20 01:45:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808393808] [2020-10-20 01:45:05,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:05,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549287532] [2020-10-20 01:45:05,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,244 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-10-20 01:45:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,285 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-10-20 01:45:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,287 INFO L225 Difference]: With dead ends: 178 [2020-10-20 01:45:05,287 INFO L226 Difference]: Without dead ends: 116 [2020-10-20 01:45:05,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-20 01:45:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-10-20 01:45:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-20 01:45:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-10-20 01:45:05,302 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-10-20 01:45:05,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,314 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-10-20 01:45:05,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-10-20 01:45:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 01:45:05,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:05,316 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,316 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2020-10-20 01:45:05,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534644212] [2020-10-20 01:45:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534644212] [2020-10-20 01:45:05,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:05,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450950019] [2020-10-20 01:45:05,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:05,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:05,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:05,415 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-10-20 01:45:05,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,570 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-10-20 01:45:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:05,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 01:45:05,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,572 INFO L225 Difference]: With dead ends: 405 [2020-10-20 01:45:05,573 INFO L226 Difference]: Without dead ends: 298 [2020-10-20 01:45:05,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-20 01:45:05,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-10-20 01:45:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-20 01:45:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-10-20 01:45:05,592 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-10-20 01:45:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,592 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-10-20 01:45:05,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-10-20 01:45:05,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:05,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:05,595 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2020-10-20 01:45:05,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054948891] [2020-10-20 01:45:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054948891] [2020-10-20 01:45:05,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:05,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837286893] [2020-10-20 01:45:05,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:05,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:05,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:05,663 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-10-20 01:45:05,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,728 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-10-20 01:45:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:05,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,731 INFO L225 Difference]: With dead ends: 304 [2020-10-20 01:45:05,731 INFO L226 Difference]: Without dead ends: 199 [2020-10-20 01:45:05,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:05,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-20 01:45:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-10-20 01:45:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-20 01:45:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-10-20 01:45:05,747 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-10-20 01:45:05,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,747 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-10-20 01:45:05,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-10-20 01:45:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:05,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:05,749 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2020-10-20 01:45:05,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968342550] [2020-10-20 01:45:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968342550] [2020-10-20 01:45:05,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:05,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116976840] [2020-10-20 01:45:05,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:05,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:05,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:05,814 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 5 states. [2020-10-20 01:45:05,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,925 INFO L93 Difference]: Finished difference Result 336 states and 460 transitions. [2020-10-20 01:45:05,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:05,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,927 INFO L225 Difference]: With dead ends: 336 [2020-10-20 01:45:05,927 INFO L226 Difference]: Without dead ends: 225 [2020-10-20 01:45:05,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-20 01:45:05,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 122. [2020-10-20 01:45:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-20 01:45:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-10-20 01:45:05,942 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-10-20 01:45:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,942 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-10-20 01:45:05,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-10-20 01:45:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:05,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:05,947 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2020-10-20 01:45:05,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426803467] [2020-10-20 01:45:05,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:06,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426803467] [2020-10-20 01:45:06,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:06,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502569501] [2020-10-20 01:45:06,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,029 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-10-20 01:45:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,061 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-10-20 01:45:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 01:45:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,063 INFO L225 Difference]: With dead ends: 293 [2020-10-20 01:45:06,063 INFO L226 Difference]: Without dead ends: 178 [2020-10-20 01:45:06,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-20 01:45:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-10-20 01:45:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-20 01:45:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-10-20 01:45:06,109 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-10-20 01:45:06,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,110 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-10-20 01:45:06,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-10-20 01:45:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:06,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:06,118 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,118 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2020-10-20 01:45:06,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208861565] [2020-10-20 01:45:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:06,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208861565] [2020-10-20 01:45:06,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:06,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393075032] [2020-10-20 01:45:06,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:06,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:06,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:06,271 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-10-20 01:45:06,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,728 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-10-20 01:45:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:06,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-20 01:45:06,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,731 INFO L225 Difference]: With dead ends: 855 [2020-10-20 01:45:06,731 INFO L226 Difference]: Without dead ends: 740 [2020-10-20 01:45:06,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-20 01:45:06,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-10-20 01:45:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-20 01:45:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-10-20 01:45:06,765 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-10-20 01:45:06,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,765 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-10-20 01:45:06,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-10-20 01:45:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:45:06,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,767 INFO L422 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] [2020-10-20 01:45:06,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:06,767 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,768 INFO L82 PathProgramCache]: Analyzing trace with hash -294239600, now seen corresponding path program 1 times [2020-10-20 01:45:06,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063536180] [2020-10-20 01:45:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:06,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063536180] [2020-10-20 01:45:06,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540557951] [2020-10-20 01:45:06,845 INFO L95 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 [2020-10-20 01:45:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:06,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:07,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:07,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:07,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549381757] [2020-10-20 01:45:07,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:07,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:07,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:07,088 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-10-20 01:45:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,456 INFO L93 Difference]: Finished difference Result 650 states and 874 transitions. [2020-10-20 01:45:07,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:45:07,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-10-20 01:45:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,457 INFO L225 Difference]: With dead ends: 650 [2020-10-20 01:45:07,457 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:07,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:45:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:07,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-20 01:45:07,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,460 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:07,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:07,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:07,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:07,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:07,802 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 64 [2020-10-20 01:45:08,544 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-10-20 01:45:08,658 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-10-20 01:45:08,921 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-10-20 01:45:09,057 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 20 [2020-10-20 01:45:09,472 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 20 [2020-10-20 01:45:09,593 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2020-10-20 01:45:09,800 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 10 [2020-10-20 01:45:09,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,806 INFO L270 CegarLoopResult]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2020-10-20 01:45:09,806 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,806 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,806 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:09,806 INFO L274 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-10-20 01:45:09,807 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-10-20 01:45:09,807 INFO L270 CegarLoopResult]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-10-20 01:45:09,807 INFO L270 CegarLoopResult]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:45:09,807 INFO L270 CegarLoopResult]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2020-10-20 01:45:09,807 INFO L270 CegarLoopResult]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2020-10-20 01:45:09,807 INFO L274 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-10-20 01:45:09,808 INFO L270 CegarLoopResult]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:45:09,808 INFO L270 CegarLoopResult]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2020-10-20 01:45:09,808 INFO L270 CegarLoopResult]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2020-10-20 01:45:09,809 INFO L274 CegarLoopResult]: For program point L848(lines 848 858) no Hoare annotation was computed. [2020-10-20 01:45:09,809 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2020-10-20 01:45:09,809 INFO L274 CegarLoopResult]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2020-10-20 01:45:09,809 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-10-20 01:45:09,809 INFO L274 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-10-20 01:45:09,810 INFO L274 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-10-20 01:45:09,810 INFO L274 CegarLoopResult]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2020-10-20 01:45:09,810 INFO L274 CegarLoopResult]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2020-10-20 01:45:09,810 INFO L270 CegarLoopResult]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-10-20 01:45:09,811 INFO L270 CegarLoopResult]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2020-10-20 01:45:09,811 INFO L270 CegarLoopResult]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2020-10-20 01:45:09,811 INFO L274 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:45:09,811 INFO L274 CegarLoopResult]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:45:09,811 INFO L274 CegarLoopResult]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2020-10-20 01:45:09,812 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:09,812 INFO L274 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-10-20 01:45:09,812 INFO L270 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:45:09,812 INFO L274 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-10-20 01:45:09,813 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:09,813 INFO L274 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-10-20 01:45:09,813 INFO L277 CegarLoopResult]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2020-10-20 01:45:09,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:09,814 INFO L274 CegarLoopResult]: For program point L689(lines 689 704) no Hoare annotation was computed. [2020-10-20 01:45:09,814 INFO L274 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2020-10-20 01:45:09,814 INFO L274 CegarLoopResult]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2020-10-20 01:45:09,814 INFO L274 CegarLoopResult]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2020-10-20 01:45:09,814 INFO L274 CegarLoopResult]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:45:09,815 INFO L270 CegarLoopResult]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:09,815 INFO L270 CegarLoopResult]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2))) [2020-10-20 01:45:09,815 INFO L270 CegarLoopResult]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2020-10-20 01:45:09,815 INFO L270 CegarLoopResult]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2020-10-20 01:45:09,816 INFO L270 CegarLoopResult]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2020-10-20 01:45:09,816 INFO L270 CegarLoopResult]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2020-10-20 01:45:09,816 INFO L270 CegarLoopResult]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2020-10-20 01:45:09,816 INFO L274 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-10-20 01:45:09,816 INFO L274 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2020-10-20 01:45:09,817 INFO L274 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2020-10-20 01:45:09,817 INFO L270 CegarLoopResult]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:09,817 INFO L274 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,817 INFO L274 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,817 INFO L274 CegarLoopResult]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,818 INFO L274 CegarLoopResult]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,818 INFO L274 CegarLoopResult]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,818 INFO L274 CegarLoopResult]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2020-10-20 01:45:09,818 INFO L270 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:45:09,819 INFO L270 CegarLoopResult]: At program point L709(lines 658 710) the Hoare annotation is: false [2020-10-20 01:45:09,819 INFO L270 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-10-20 01:45:09,819 INFO L270 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-10-20 01:45:09,819 INFO L270 CegarLoopResult]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2020-10-20 01:45:09,819 INFO L270 CegarLoopResult]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2020-10-20 01:45:09,820 INFO L270 CegarLoopResult]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2020-10-20 01:45:09,820 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:09,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:09,820 INFO L274 CegarLoopResult]: For program point L660(lines 659 708) no Hoare annotation was computed. [2020-10-20 01:45:09,820 INFO L274 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2020-10-20 01:45:09,821 INFO L274 CegarLoopResult]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2020-10-20 01:45:09,821 INFO L274 CegarLoopResult]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2020-10-20 01:45:09,821 INFO L270 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-10-20 01:45:09,821 INFO L270 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-10-20 01:45:09,822 INFO L270 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-10-20 01:45:09,822 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-10-20 01:45:09,822 INFO L270 CegarLoopResult]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:09,822 INFO L270 CegarLoopResult]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:09,822 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-20 01:45:09,823 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-20 01:45:09,823 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-10-20 01:45:09,823 INFO L274 CegarLoopResult]: For program point L844(lines 844 861) no Hoare annotation was computed. [2020-10-20 01:45:09,823 INFO L270 CegarLoopResult]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2))) [2020-10-20 01:45:09,824 INFO L277 CegarLoopResult]: At program point L811(lines 792 814) the Hoare annotation is: true [2020-10-20 01:45:09,824 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2020-10-20 01:45:09,824 INFO L270 CegarLoopResult]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2020-10-20 01:45:09,824 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2020-10-20 01:45:09,824 INFO L274 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-10-20 01:45:09,825 INFO L270 CegarLoopResult]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2020-10-20 01:45:09,825 INFO L270 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:45:09,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:09 BoogieIcfgContainer [2020-10-20 01:45:09,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:09,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:09,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:09,855 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:09,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04" (3/4) ... [2020-10-20 01:45:09,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:09,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:09,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:09,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:09,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:09,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:09,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:09,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:09,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 2 <= tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2020-10-20 01:45:09,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:09,998 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:09,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:10,000 INFO L168 Benchmark]: Toolchain (without parser) took 7580.97 ms. Allocated memory was 34.6 MB in the beginning and 98.6 MB in the end (delta: 64.0 MB). Free memory was 15.4 MB in the beginning and 51.9 MB in the end (delta: -36.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,000 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.86 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 14.6 MB in the beginning and 24.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 21.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,001 INFO L168 Benchmark]: Boogie Preprocessor took 40.44 ms. Allocated memory is still 43.5 MB. Free memory was 21.0 MB in the beginning and 18.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,002 INFO L168 Benchmark]: RCFGBuilder took 1025.15 ms. Allocated memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: 3.1 MB). Free memory was 18.4 MB in the beginning and 12.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,002 INFO L168 Benchmark]: TraceAbstraction took 5664.88 ms. Allocated memory was 46.7 MB in the beginning and 98.6 MB in the end (delta: 51.9 MB). Free memory was 12.6 MB in the beginning and 62.1 MB in the end (delta: -49.5 MB). Peak memory consumption was 51.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,003 INFO L168 Benchmark]: Witness Printer took 143.93 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 51.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 624.86 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 14.6 MB in the beginning and 24.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 21.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.44 ms. Allocated memory is still 43.5 MB. Free memory was 21.0 MB in the beginning and 18.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1025.15 ms. Allocated memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: 3.1 MB). Free memory was 18.4 MB in the beginning and 12.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5664.88 ms. Allocated memory was 46.7 MB in the beginning and 98.6 MB in the end (delta: 51.9 MB). Free memory was 12.6 MB in the beginning and 62.1 MB in the end (delta: -49.5 MB). Peak memory consumption was 51.9 MB. Max. memory is 14.3 GB. * Witness Printer took 143.93 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 51.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 2 <= tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1416 SDslu, 1364 SDs, 0 SdLazy, 236 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 806 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 195 NumberOfFragments, 525 HoareAnnotationTreeSize, 39 FomulaSimplifications, 93225 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 6014 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 25691 SizeOfPredicates, 4 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...