./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product44.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_product44.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 886805be526b2c7064fb4933bd9f3d8faf6b51bd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:45:06,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:06,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:06,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:06,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:06,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:06,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:06,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:06,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:06,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:06,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:06,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:06,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:06,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:06,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:06,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:06,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:06,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:06,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:06,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:06,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:06,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:06,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:06,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:06,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:06,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:06,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:06,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:06,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:06,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:06,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:06,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:06,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:06,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:06,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:06,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:06,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:06,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:06,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:06,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:06,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:06,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:06,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:06,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:06,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:06,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:06,304 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:06,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:06,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:06,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:06,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:06,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:06,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:06,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:06,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:06,308 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:06,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:06,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:06,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:06,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:06,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:06,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:06,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:06,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:06,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:06,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:06,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:06,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:06,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:06,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:06,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:06,313 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 -> 886805be526b2c7064fb4933bd9f3d8faf6b51bd [2020-10-20 01:45:06,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:06,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:06,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:06,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:06,560 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:06,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-10-20 01:45:06,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642d72555/29a9512e9105496caf0e6dafdc7ef36c/FLAGbf44a3cdb [2020-10-20 01:45:07,163 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:07,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-10-20 01:45:07,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642d72555/29a9512e9105496caf0e6dafdc7ef36c/FLAGbf44a3cdb [2020-10-20 01:45:07,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642d72555/29a9512e9105496caf0e6dafdc7ef36c [2020-10-20 01:45:07,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:07,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:07,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:07,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:07,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:07,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354d5520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07, skipping insertion in model container [2020-10-20 01:45:07,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:07,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:07,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:07,933 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:08,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:08,111 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:08,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08 WrapperNode [2020-10-20 01:45:08,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:08,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:08,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:08,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:08,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:08,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:08,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:08,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:08,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:08,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:08,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:08,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:08,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (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 01:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:09,346 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:09,347 INFO L298 CfgBuilder]: Removed 140 assume(true) statements. [2020-10-20 01:45:09,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:09 BoogieIcfgContainer [2020-10-20 01:45:09,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:09,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:09,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:09,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:09,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:07" (1/3) ... [2020-10-20 01:45:09,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3851e7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:09, skipping insertion in model container [2020-10-20 01:45:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08" (2/3) ... [2020-10-20 01:45:09,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3851e7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:09, skipping insertion in model container [2020-10-20 01:45:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:09" (3/3) ... [2020-10-20 01:45:09,359 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-10-20 01:45:09,371 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:09,378 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:09,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:09,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:09,414 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:09,414 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:09,414 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:09,414 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:09,415 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:09,415 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:09,415 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-10-20 01:45:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:09,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,440 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 01:45:09,441 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1256465120, now seen corresponding path program 1 times [2020-10-20 01:45:09,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799194563] [2020-10-20 01:45:09,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,749 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 01:45:09,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799194563] [2020-10-20 01:45:09,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:09,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689206841] [2020-10-20 01:45:09,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:09,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:09,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:09,777 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2020-10-20 01:45:09,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,811 INFO L93 Difference]: Finished difference Result 192 states and 283 transitions. [2020-10-20 01:45:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:09,813 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,826 INFO L225 Difference]: With dead ends: 192 [2020-10-20 01:45:09,827 INFO L226 Difference]: Without dead ends: 94 [2020-10-20 01:45:09,831 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 01:45:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-20 01:45:09,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-20 01:45:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-20 01:45:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-10-20 01:45:09,873 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-10-20 01:45:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,873 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-10-20 01:45:09,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-10-20 01:45:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:09,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,875 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 01:45:09,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:09,875 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash -152715745, now seen corresponding path program 1 times [2020-10-20 01:45:09,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607259584] [2020-10-20 01:45:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,984 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 01:45:09,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607259584] [2020-10-20 01:45:09,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:09,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630493151] [2020-10-20 01:45:09,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:09,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:09,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,988 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-10-20 01:45:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,015 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-10-20 01:45:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:10,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,017 INFO L225 Difference]: With dead ends: 94 [2020-10-20 01:45:10,017 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:45:10,020 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 01:45:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:45:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:45:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:45:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:45:10,031 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-10-20 01:45:10,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,032 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:45:10,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:45:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:10,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,034 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 01:45:10,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:10,034 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2020-10-20 01:45:10,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543988040] [2020-10-20 01:45:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,185 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 01:45:10,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543988040] [2020-10-20 01:45:10,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:10,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500777414] [2020-10-20 01:45:10,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:10,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:10,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,188 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-10-20 01:45:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,263 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-10-20 01:45:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:10,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:45:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,265 INFO L225 Difference]: With dead ends: 105 [2020-10-20 01:45:10,265 INFO L226 Difference]: Without dead ends: 69 [2020-10-20 01:45:10,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-20 01:45:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-10-20 01:45:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:45:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-10-20 01:45:10,278 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-10-20 01:45:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,279 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-10-20 01:45:10,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-10-20 01:45:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:10,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,281 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 01:45:10,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:10,282 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,282 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2020-10-20 01:45:10,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523394818] [2020-10-20 01:45:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,365 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 01:45:10,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523394818] [2020-10-20 01:45:10,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:10,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134144782] [2020-10-20 01:45:10,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:10,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:10,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:10,367 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-10-20 01:45:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,416 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-10-20 01:45:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:10,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,418 INFO L225 Difference]: With dead ends: 147 [2020-10-20 01:45:10,418 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:45:10,419 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 01:45:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:45:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-10-20 01:45:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:45:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-10-20 01:45:10,431 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-10-20 01:45:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,431 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-10-20 01:45:10,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-10-20 01:45:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 01:45:10,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,433 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 01:45:10,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:10,433 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,434 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2020-10-20 01:45:10,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693892878] [2020-10-20 01:45:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,521 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 01:45:10,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693892878] [2020-10-20 01:45:10,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:10,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246747] [2020-10-20 01:45:10,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:10,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:10,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,524 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-10-20 01:45:10,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,716 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-10-20 01:45:10,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:10,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 01:45:10,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,719 INFO L225 Difference]: With dead ends: 288 [2020-10-20 01:45:10,719 INFO L226 Difference]: Without dead ends: 208 [2020-10-20 01:45:10,720 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 01:45:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-20 01:45:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-10-20 01:45:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-20 01:45:10,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-10-20 01:45:10,737 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-10-20 01:45:10,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,738 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-10-20 01:45:10,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-10-20 01:45:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:10,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:10,741 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,742 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2020-10-20 01:45:10,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694625536] [2020-10-20 01:45:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,802 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 01:45:10,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694625536] [2020-10-20 01:45:10,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:10,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134789592] [2020-10-20 01:45:10,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:10,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,805 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-10-20 01:45:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,860 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-10-20 01:45:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:10,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:10,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,863 INFO L225 Difference]: With dead ends: 251 [2020-10-20 01:45:10,863 INFO L226 Difference]: Without dead ends: 173 [2020-10-20 01:45:10,864 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 01:45:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-20 01:45:10,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-10-20 01:45:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-20 01:45:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-10-20 01:45:10,898 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-10-20 01:45:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,899 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-10-20 01:45:10,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-10-20 01:45:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:10,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:10,902 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2020-10-20 01:45:10,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443013595] [2020-10-20 01:45:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,959 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 01:45:10,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443013595] [2020-10-20 01:45:10,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:10,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401136787] [2020-10-20 01:45:10,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:45:10,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:45:10,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:45:10,962 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-10-20 01:45:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,995 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-10-20 01:45:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:45:10,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-10-20 01:45:10,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,997 INFO L225 Difference]: With dead ends: 217 [2020-10-20 01:45:10,997 INFO L226 Difference]: Without dead ends: 136 [2020-10-20 01:45:10,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-20 01:45:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-10-20 01:45:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-20 01:45:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-10-20 01:45:11,011 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-10-20 01:45:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,011 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-10-20 01:45:11,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:45:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-10-20 01:45:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:11,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:11,014 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2020-10-20 01:45:11,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916739575] [2020-10-20 01:45:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,059 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 01:45:11,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916739575] [2020-10-20 01:45:11,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:11,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82703260] [2020-10-20 01:45:11,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:11,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:11,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,062 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-10-20 01:45:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,108 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-10-20 01:45:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:11,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:45:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,110 INFO L225 Difference]: With dead ends: 222 [2020-10-20 01:45:11,110 INFO L226 Difference]: Without dead ends: 139 [2020-10-20 01:45:11,111 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 01:45:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-20 01:45:11,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-20 01:45:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-20 01:45:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-10-20 01:45:11,128 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-10-20 01:45:11,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,128 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-10-20 01:45:11,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-10-20 01:45:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:11,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:11,131 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,132 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2020-10-20 01:45:11,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111437311] [2020-10-20 01:45:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,238 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 01:45:11,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111437311] [2020-10-20 01:45:11,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:11,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992326557] [2020-10-20 01:45:11,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:11,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:11,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:11,241 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-10-20 01:45:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,626 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-10-20 01:45:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:11,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-10-20 01:45:11,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,630 INFO L225 Difference]: With dead ends: 628 [2020-10-20 01:45:11,630 INFO L226 Difference]: Without dead ends: 545 [2020-10-20 01:45:11,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-10-20 01:45:11,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-10-20 01:45:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-20 01:45:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-10-20 01:45:11,675 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-10-20 01:45:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,677 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-10-20 01:45:11,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-10-20 01:45:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:45:11,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,683 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, 1, 1, 1] [2020-10-20 01:45:11,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:11,683 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,684 INFO L82 PathProgramCache]: Analyzing trace with hash 569022082, now seen corresponding path program 1 times [2020-10-20 01:45:11,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467790160] [2020-10-20 01:45:11,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,769 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 01:45:11,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467790160] [2020-10-20 01:45:11,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071856564] [2020-10-20 01:45:11,770 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 01:45:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:11,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:12,040 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 01:45:12,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:12,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 01:45:12,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971855769] [2020-10-20 01:45:12,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:45:12,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:45:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:12,048 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-10-20 01:45:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,328 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-10-20 01:45:12,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:45:12,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-20 01:45:12,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,330 INFO L225 Difference]: With dead ends: 459 [2020-10-20 01:45:12,331 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:12,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:45:12,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:12,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-20 01:45:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,333 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:12,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:45:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:12,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:12,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:12,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:12,766 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2020-10-20 01:45:13,380 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2020-10-20 01:45:13,573 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-10-20 01:45:13,723 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-20 01:45:13,900 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2020-10-20 01:45:14,136 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-10-20 01:45:14,268 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-10-20 01:45:14,455 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-10-20 01:45:14,627 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-10-20 01:45:14,768 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2020-10-20 01:45:14,993 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-10-20 01:45:15,253 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-10-20 01:45:15,442 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point L960(lines 960 970) no Hoare annotation was computed. [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point L960-2(lines 960 970) no Hoare annotation was computed. [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point L960-4(lines 960 970) no Hoare annotation was computed. [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-10-20 01:45:15,446 INFO L274 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 603) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L597-4(lines 597 603) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,447 INFO L274 CegarLoopResult]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,448 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,448 INFO L274 CegarLoopResult]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,448 INFO L274 CegarLoopResult]: For program point L961(lines 961 967) no Hoare annotation was computed. [2020-10-20 01:45:15,449 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,449 INFO L274 CegarLoopResult]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:45:15,449 INFO L274 CegarLoopResult]: For program point L961-2(lines 961 967) no Hoare annotation was computed. [2020-10-20 01:45:15,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,450 INFO L274 CegarLoopResult]: For program point L961-4(lines 961 967) no Hoare annotation was computed. [2020-10-20 01:45:15,450 INFO L274 CegarLoopResult]: For program point L763(lines 763 769) no Hoare annotation was computed. [2020-10-20 01:45:15,450 INFO L270 CegarLoopResult]: At program point L763-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,450 INFO L270 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse5 .cse6))) [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L945(lines 528 534) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,451 INFO L270 CegarLoopResult]: At program point L945-1(lines 528 534) the Hoare annotation is: false [2020-10-20 01:45:15,452 INFO L270 CegarLoopResult]: At program point L945-2(lines 528 534) the Hoare annotation is: false [2020-10-20 01:45:15,452 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,452 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:15,452 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-10-20 01:45:15,452 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:15,453 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:15,453 INFO L270 CegarLoopResult]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,453 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:45:15,453 INFO L270 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,453 INFO L270 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2020-10-20 01:45:15,454 INFO L270 CegarLoopResult]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2020-10-20 01:45:15,454 INFO L277 CegarLoopResult]: At program point L915(lines 896 918) the Hoare annotation is: true [2020-10-20 01:45:15,454 INFO L270 CegarLoopResult]: At program point L833-2(lines 833 847) the Hoare annotation is: false [2020-10-20 01:45:15,454 INFO L270 CegarLoopResult]: At program point L817(lines 812 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,454 INFO L274 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-10-20 01:45:15,454 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,454 INFO L274 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-10-20 01:45:15,456 INFO L270 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,456 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse6 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L686(lines 671 689) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L686-1(lines 671 689) the Hoare annotation is: false [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:15,457 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,458 INFO L270 CegarLoopResult]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,458 INFO L270 CegarLoopResult]: At program point L622(lines 615 625) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,458 INFO L270 CegarLoopResult]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-10-20 01:45:15,458 INFO L270 CegarLoopResult]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point L837-1(lines 837 841) no Hoare annotation was computed. [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point L755(lines 755 770) no Hoare annotation was computed. [2020-10-20 01:45:15,458 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:45:15,459 INFO L274 CegarLoopResult]: For program point L906(lines 906 913) no Hoare annotation was computed. [2020-10-20 01:45:15,459 INFO L277 CegarLoopResult]: At program point L906-1(lines 906 913) the Hoare annotation is: true [2020-10-20 01:45:15,459 INFO L274 CegarLoopResult]: For program point L956(lines 956 973) no Hoare annotation was computed. [2020-10-20 01:45:15,459 INFO L270 CegarLoopResult]: At program point L956-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,459 INFO L274 CegarLoopResult]: For program point L956-2(lines 956 973) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L270 CegarLoopResult]: At program point L956-3(lines 1 976) the Hoare annotation is: false [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L956-4(lines 956 973) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L270 CegarLoopResult]: At program point L956-5(lines 1 976) the Hoare annotation is: false [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L270 CegarLoopResult]: At program point L775(lines 724 776) the Hoare annotation is: false [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,460 INFO L274 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-10-20 01:45:15,461 INFO L274 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-10-20 01:45:15,461 INFO L274 CegarLoopResult]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-10-20 01:45:15,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,464 INFO L274 CegarLoopResult]: For program point L726(lines 725 774) no Hoare annotation was computed. [2020-10-20 01:45:15,464 INFO L270 CegarLoopResult]: At program point L528(lines 524 546) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:45:15,464 INFO L270 CegarLoopResult]: At program point L528-1(lines 524 546) the Hoare annotation is: false [2020-10-20 01:45:15,465 INFO L270 CegarLoopResult]: At program point L528-2(lines 524 546) the Hoare annotation is: false [2020-10-20 01:45:15,465 INFO L270 CegarLoopResult]: At program point L809(lines 1 976) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:45:15,465 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:15,465 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:15,465 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:45:15,465 INFO L274 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-10-20 01:45:15,465 INFO L274 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-10-20 01:45:15,465 INFO L270 CegarLoopResult]: At program point L694-1(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:15,466 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:45:15,466 INFO L274 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-10-20 01:45:15,466 INFO L270 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:15,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:15 BoogieIcfgContainer [2020-10-20 01:45:15,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:15,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:15,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:15,501 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:15,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:09" (3/4) ... [2020-10-20 01:45:15,505 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:15,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:15,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:15,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:15,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:15,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:15,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:15,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:15,565 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:15,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-10-20 01:45:15,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-10-20 01:45:15,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,567 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:15,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:15,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:15,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:15,673 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:15,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:15,675 INFO L168 Benchmark]: Toolchain (without parser) took 8256.35 ms. Allocated memory was 35.1 MB in the beginning and 106.4 MB in the end (delta: 71.3 MB). Free memory was 6.3 MB in the beginning and 17.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 60.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,676 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 35.1 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.24 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.5 MB in the beginning and 16.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.70 ms. Allocated memory was 46.1 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Free memory was 16.5 MB in the beginning and 27.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,677 INFO L168 Benchmark]: Boogie Preprocessor took 44.36 ms. Allocated memory is still 47.7 MB. Free memory was 27.4 MB in the beginning and 24.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,678 INFO L168 Benchmark]: RCFGBuilder took 1106.83 ms. Allocated memory was 47.7 MB in the beginning and 51.9 MB in the end (delta: 4.2 MB). Free memory was 24.5 MB in the beginning and 28.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,678 INFO L168 Benchmark]: TraceAbstraction took 6149.65 ms. Allocated memory was 51.9 MB in the beginning and 106.4 MB in the end (delta: 54.5 MB). Free memory was 27.3 MB in the beginning and 29.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 63.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,679 INFO L168 Benchmark]: Witness Printer took 173.20 ms. Allocated memory is still 106.4 MB. Free memory was 29.6 MB in the beginning and 17.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:15,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 35.1 MB. Free memory was 12.1 MB in the beginning and 12.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 677.24 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.5 MB in the beginning and 16.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 84.70 ms. Allocated memory was 46.1 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Free memory was 16.5 MB in the beginning and 27.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 44.36 ms. Allocated memory is still 47.7 MB. Free memory was 27.4 MB in the beginning and 24.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1106.83 ms. Allocated memory was 47.7 MB in the beginning and 51.9 MB in the end (delta: 4.2 MB). Free memory was 24.5 MB in the beginning and 28.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6149.65 ms. Allocated memory was 51.9 MB in the beginning and 106.4 MB in the end (delta: 54.5 MB). Free memory was 27.3 MB in the beginning and 29.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 63.8 MB. Max. memory is 14.3 GB. * Witness Printer took 173.20 ms. Allocated memory is still 106.4 MB. Free memory was 29.6 MB in the beginning and 17.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1219 SDslu, 1288 SDs, 0 SdLazy, 208 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred 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, 580 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1003 HoareAnnotationTreeSize, 45 FomulaSimplifications, 54454 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8304 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 26793 SizeOfPredicates, 4 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...