./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_product50.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 4003051e8c7e84d7a7481775cdc05def8cb96ed2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:08:43,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:08:43,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:08:43,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:08:43,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:08:43,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:08:43,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:08:43,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:08:43,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:08:43,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:08:43,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:08:43,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:08:43,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:08:43,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:08:43,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:08:43,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:08:43,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:08:43,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:08:43,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:08:43,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:08:43,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:08:43,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:08:43,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:08:43,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:08:43,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:08:43,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:08:43,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:08:43,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:08:43,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:08:43,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:08:43,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:08:43,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:08:43,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:08:43,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:08:43,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:08:43,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:08:43,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:08:43,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:08:43,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:08:43,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:08:43,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:08:43,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:08:43,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:08:43,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:08:43,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:08:43,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:08:43,608 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:08:43,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:08:43,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:08:43,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:08:43,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:08:43,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:08:43,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:08:43,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:08:43,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:08:43,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:08:43,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:08:43,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:08:43,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:08:43,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:08:43,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:08:43,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:08:43,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:08:43,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:08:43,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:08:43,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:08:43,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:08:43,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:08:43,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:08:43,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:08:43,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:08:43,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2020-10-25 23:08:44,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:08:44,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:08:44,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:08:44,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:08:44,076 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:08:44,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-10-25 23:08:44,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02a4d8ce8/28d99f6f77f34bbda586a729e1e74fd5/FLAG8311aa567 [2020-10-25 23:08:44,864 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:08:44,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-10-25 23:08:44,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02a4d8ce8/28d99f6f77f34bbda586a729e1e74fd5/FLAG8311aa567 [2020-10-25 23:08:45,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02a4d8ce8/28d99f6f77f34bbda586a729e1e74fd5 [2020-10-25 23:08:45,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:08:45,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:08:45,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:45,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:08:45,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:08:45,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:45,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f916c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45, skipping insertion in model container [2020-10-25 23:08:45,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:45,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:08:45,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:08:45,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:45,684 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:08:45,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:45,929 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:08:45,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45 WrapperNode [2020-10-25 23:08:45,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:45,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:45,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:08:45,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:08:45,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:46,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:08:46,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:08:46,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:08:46,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:46,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:08:46,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:08:46,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:08:46,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:08:46,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (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 [2020-10-25 23:08:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:08:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:08:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:08:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:08:47,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:08:47,376 INFO L298 CfgBuilder]: Removed 178 assume(true) statements. [2020-10-25 23:08:47,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47 BoogieIcfgContainer [2020-10-25 23:08:47,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:08:47,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:08:47,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:08:47,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:08:47,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:08:45" (1/3) ... [2020-10-25 23:08:47,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca1ef71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:47, skipping insertion in model container [2020-10-25 23:08:47,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45" (2/3) ... [2020-10-25 23:08:47,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca1ef71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:47, skipping insertion in model container [2020-10-25 23:08:47,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47" (3/3) ... [2020-10-25 23:08:47,389 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-10-25 23:08:47,403 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:08:47,409 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:08:47,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:08:47,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:08:47,452 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:08:47,452 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:08:47,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:08:47,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:08:47,453 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:08:47,453 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:08:47,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:08:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-10-25 23:08:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:08:47,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:47,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:47,482 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:47,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:47,492 INFO L82 PathProgramCache]: Analyzing trace with hash 869328451, now seen corresponding path program 1 times [2020-10-25 23:08:47,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:47,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465852728] [2020-10-25 23:08:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:47,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465852728] [2020-10-25 23:08:47,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:47,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:47,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449895520] [2020-10-25 23:08:47,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:08:47,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:47,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:08:47,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:08:47,885 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-10-25 23:08:47,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:47,952 INFO L93 Difference]: Finished difference Result 248 states and 373 transitions. [2020-10-25 23:08:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:08:47,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-25 23:08:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:47,971 INFO L225 Difference]: With dead ends: 248 [2020-10-25 23:08:47,972 INFO L226 Difference]: Without dead ends: 122 [2020-10-25 23:08:47,990 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 [2020-10-25 23:08:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-25 23:08:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-25 23:08:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-25 23:08:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-10-25 23:08:48,067 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-10-25 23:08:48,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,068 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-10-25 23:08:48,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:08:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-10-25 23:08:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 23:08:48,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,073 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] [2020-10-25 23:08:48,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:08:48,074 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1619619292, now seen corresponding path program 1 times [2020-10-25 23:08:48,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351333385] [2020-10-25 23:08:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:48,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351333385] [2020-10-25 23:08:48,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:48,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420905221] [2020-10-25 23:08:48,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:48,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:48,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:48,291 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-10-25 23:08:48,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,311 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-10-25 23:08:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:48,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-25 23:08:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,314 INFO L225 Difference]: With dead ends: 122 [2020-10-25 23:08:48,314 INFO L226 Difference]: Without dead ends: 51 [2020-10-25 23:08:48,315 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 [2020-10-25 23:08:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-25 23:08:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-25 23:08:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-25 23:08:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-10-25 23:08:48,326 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-10-25 23:08:48,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,327 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-10-25 23:08:48,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-10-25 23:08:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:08:48,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,330 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] [2020-10-25 23:08:48,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:08:48,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2020-10-25 23:08:48,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733794105] [2020-10-25 23:08:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:48,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733794105] [2020-10-25 23:08:48,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:48,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349445905] [2020-10-25 23:08:48,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:48,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:48,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:48,470 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-10-25 23:08:48,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,518 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-10-25 23:08:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:08:48,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:08:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,520 INFO L225 Difference]: With dead ends: 95 [2020-10-25 23:08:48,520 INFO L226 Difference]: Without dead ends: 51 [2020-10-25 23:08:48,521 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 [2020-10-25 23:08:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-25 23:08:48,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-25 23:08:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-25 23:08:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-10-25 23:08:48,527 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-10-25 23:08:48,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,527 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-10-25 23:08:48,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-10-25 23:08:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-25 23:08:48,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,528 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] [2020-10-25 23:08:48,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:08:48,529 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,529 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2020-10-25 23:08:48,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397008159] [2020-10-25 23:08:48,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:48,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397008159] [2020-10-25 23:08:48,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:48,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917138587] [2020-10-25 23:08:48,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:48,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:48,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:48,608 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-10-25 23:08:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,680 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-10-25 23:08:48,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:48,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-25 23:08:48,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,682 INFO L225 Difference]: With dead ends: 119 [2020-10-25 23:08:48,682 INFO L226 Difference]: Without dead ends: 75 [2020-10-25 23:08:48,685 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 [2020-10-25 23:08:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-25 23:08:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-25 23:08:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-25 23:08:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-10-25 23:08:48,696 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-10-25 23:08:48,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,697 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-10-25 23:08:48,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-10-25 23:08:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:48,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:48,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:08:48,699 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,700 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2020-10-25 23:08:48,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325323434] [2020-10-25 23:08:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:48,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325323434] [2020-10-25 23:08:48,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:08:48,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179320740] [2020-10-25 23:08:48,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:08:48,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:08:48,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:08:48,778 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-10-25 23:08:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,889 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-10-25 23:08:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:08:48,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-25 23:08:48,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,892 INFO L225 Difference]: With dead ends: 263 [2020-10-25 23:08:48,892 INFO L226 Difference]: Without dead ends: 197 [2020-10-25 23:08:48,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-25 23:08:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-25 23:08:48,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-10-25 23:08:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-25 23:08:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-10-25 23:08:48,908 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-10-25 23:08:48,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,908 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-10-25 23:08:48,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:08:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-10-25 23:08:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:48,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:48,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:08:48,910 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2020-10-25 23:08:48,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033019202] [2020-10-25 23:08:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:48,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033019202] [2020-10-25 23:08:48,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:48,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568987069] [2020-10-25 23:08:48,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:48,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:48,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:48,976 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-10-25 23:08:49,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,068 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-10-25 23:08:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:49,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:08:49,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,070 INFO L225 Difference]: With dead ends: 202 [2020-10-25 23:08:49,070 INFO L226 Difference]: Without dead ends: 132 [2020-10-25 23:08:49,071 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 [2020-10-25 23:08:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-25 23:08:49,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-10-25 23:08:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-25 23:08:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-10-25 23:08:49,083 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-10-25 23:08:49,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,083 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-10-25 23:08:49,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-10-25 23:08:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:49,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:08:49,086 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,086 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2020-10-25 23:08:49,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046003527] [2020-10-25 23:08:49,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:49,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046003527] [2020-10-25 23:08:49,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:49,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:08:49,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966374518] [2020-10-25 23:08:49,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:49,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:49,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:49,254 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-10-25 23:08:49,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,393 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-10-25 23:08:49,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:49,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:08:49,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,396 INFO L225 Difference]: With dead ends: 282 [2020-10-25 23:08:49,396 INFO L226 Difference]: Without dead ends: 206 [2020-10-25 23:08:49,397 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 [2020-10-25 23:08:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-25 23:08:49,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-10-25 23:08:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-25 23:08:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-10-25 23:08:49,409 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-10-25 23:08:49,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,410 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-10-25 23:08:49,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-10-25 23:08:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:49,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:08:49,412 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,412 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2020-10-25 23:08:49,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382572781] [2020-10-25 23:08:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:49,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382572781] [2020-10-25 23:08:49,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:49,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:49,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880771723] [2020-10-25 23:08:49,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:49,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:49,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:49,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:49,471 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-10-25 23:08:49,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,505 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-10-25 23:08:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:49,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:08:49,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,507 INFO L225 Difference]: With dead ends: 185 [2020-10-25 23:08:49,507 INFO L226 Difference]: Without dead ends: 110 [2020-10-25 23:08:49,508 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 [2020-10-25 23:08:49,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-25 23:08:49,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-25 23:08:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-25 23:08:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-10-25 23:08:49,522 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-10-25 23:08:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,523 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-10-25 23:08:49,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-10-25 23:08:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:08:49,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:08:49,525 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2020-10-25 23:08:49,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630516007] [2020-10-25 23:08:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:49,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630516007] [2020-10-25 23:08:49,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:49,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:08:49,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486122594] [2020-10-25 23:08:49,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:08:49,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:49,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:08:49,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:08:49,672 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-10-25 23:08:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:50,234 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-10-25 23:08:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:08:50,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-25 23:08:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:50,238 INFO L225 Difference]: With dead ends: 524 [2020-10-25 23:08:50,238 INFO L226 Difference]: Without dead ends: 449 [2020-10-25 23:08:50,239 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 [2020-10-25 23:08:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-25 23:08:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-10-25 23:08:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-25 23:08:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-10-25 23:08:50,272 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-10-25 23:08:50,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:50,275 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-10-25 23:08:50,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:08:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-10-25 23:08:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:08:50,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:50,280 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, 1, 1, 1, 1] [2020-10-25 23:08:50,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:08:50,280 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:50,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:50,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1013340132, now seen corresponding path program 1 times [2020-10-25 23:08:50,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:50,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989634346] [2020-10-25 23:08:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:50,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989634346] [2020-10-25 23:08:50,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127931562] [2020-10-25 23:08:50,394 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 [2020-10-25 23:08:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 23:08:50,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:08:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:50,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:08:50,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-25 23:08:50,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15749405] [2020-10-25 23:08:50,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:08:50,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:50,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:08:50,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:08:50,696 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 8 states. [2020-10-25 23:08:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:51,231 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-10-25 23:08:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:08:51,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-25 23:08:51,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:51,233 INFO L225 Difference]: With dead ends: 434 [2020-10-25 23:08:51,233 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:08:51,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-25 23:08:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:08:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:08:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:08:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:08:51,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-25 23:08:51,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:51,235 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:08:51,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:08:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:08:51,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:08:51,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 23:08:51,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:08:52,296 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-10-25 23:08:52,621 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2020-10-25 23:08:52,831 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2020-10-25 23:08:53,128 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-10-25 23:08:53,292 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-10-25 23:08:53,463 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-10-25 23:08:53,740 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-10-25 23:08:54,081 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-10-25 23:08:54,228 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-10-25 23:08:54,628 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-10-25 23:08:54,784 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-10-25 23:08:55,113 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-10-25 23:08:55,122 INFO L270 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:55,123 INFO L270 CegarLoopResult]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2020-10-25 23:08:55,123 INFO L270 CegarLoopResult]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2020-10-25 23:08:55,123 INFO L270 CegarLoopResult]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2020-10-25 23:08:55,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,124 INFO L270 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: false [2020-10-25 23:08:55,124 INFO L274 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,124 INFO L274 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,124 INFO L274 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,124 INFO L274 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,125 INFO L274 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,125 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,125 INFO L274 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,125 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,125 INFO L274 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,126 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,126 INFO L274 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,126 INFO L274 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,126 INFO L274 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,127 INFO L274 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,127 INFO L274 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2020-10-25 23:08:55,127 INFO L274 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-10-25 23:08:55,127 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-10-25 23:08:55,127 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-10-25 23:08:55,128 INFO L274 CegarLoopResult]: For program point L106(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,128 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,128 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,128 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,128 INFO L274 CegarLoopResult]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,129 INFO L274 CegarLoopResult]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2020-10-25 23:08:55,129 INFO L274 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-10-25 23:08:55,129 INFO L270 CegarLoopResult]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.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 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,130 INFO L270 CegarLoopResult]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-25 23:08:55,130 INFO L270 CegarLoopResult]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2020-10-25 23:08:55,130 INFO L270 CegarLoopResult]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2020-10-25 23:08:55,130 INFO L270 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2020-10-25 23:08:55,131 INFO L270 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.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 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,131 INFO L270 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2020-10-25 23:08:55,131 INFO L270 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2020-10-25 23:08:55,131 INFO L270 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2020-10-25 23:08:55,132 INFO L270 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2020-10-25 23:08:55,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,132 INFO L274 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-10-25 23:08:55,132 INFO L274 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,133 INFO L274 CegarLoopResult]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,133 INFO L274 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,133 INFO L274 CegarLoopResult]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,133 INFO L274 CegarLoopResult]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,133 INFO L274 CegarLoopResult]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2020-10-25 23:08:55,134 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:55,134 INFO L270 CegarLoopResult]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-10-25 23:08:55,134 INFO L270 CegarLoopResult]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-10-25 23:08:55,134 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:08:55,135 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:08:55,135 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:08:55,135 INFO L274 CegarLoopResult]: For program point L839(lines 839 856) no Hoare annotation was computed. [2020-10-25 23:08:55,135 INFO L270 CegarLoopResult]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 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) .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,136 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2020-10-25 23:08:55,136 INFO L270 CegarLoopResult]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2020-10-25 23:08:55,136 INFO L274 CegarLoopResult]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2020-10-25 23:08:55,136 INFO L270 CegarLoopResult]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2020-10-25 23:08:55,137 INFO L270 CegarLoopResult]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.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 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,137 INFO L270 CegarLoopResult]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2020-10-25 23:08:55,138 INFO L270 CegarLoopResult]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2020-10-25 23:08:55,138 INFO L274 CegarLoopResult]: For program point L843(lines 843 853) no Hoare annotation was computed. [2020-10-25 23:08:55,138 INFO L274 CegarLoopResult]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2020-10-25 23:08:55,139 INFO L274 CegarLoopResult]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2020-10-25 23:08:55,139 INFO L274 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-10-25 23:08:55,139 INFO L274 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-10-25 23:08:55,139 INFO L270 CegarLoopResult]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2020-10-25 23:08:55,139 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-10-25 23:08:55,140 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-10-25 23:08:55,140 INFO L274 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-10-25 23:08:55,140 INFO L274 CegarLoopResult]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2020-10-25 23:08:55,140 INFO L274 CegarLoopResult]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2020-10-25 23:08:55,140 INFO L274 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-10-25 23:08:55,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,141 INFO L270 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse3 .cse4))) [2020-10-25 23:08:55,141 INFO L270 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-25 23:08:55,142 INFO L270 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2020-10-25 23:08:55,142 INFO L270 CegarLoopResult]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2020-10-25 23:08:55,142 INFO L270 CegarLoopResult]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2020-10-25 23:08:55,142 INFO L270 CegarLoopResult]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2020-10-25 23:08:55,143 INFO L270 CegarLoopResult]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,143 INFO L270 CegarLoopResult]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2020-10-25 23:08:55,143 INFO L270 CegarLoopResult]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2020-10-25 23:08:55,143 INFO L274 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-10-25 23:08:55,143 INFO L274 CegarLoopResult]: For program point L253(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,144 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,144 INFO L274 CegarLoopResult]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,144 INFO L274 CegarLoopResult]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,144 INFO L274 CegarLoopResult]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,145 INFO L274 CegarLoopResult]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2020-10-25 23:08:55,145 INFO L274 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-10-25 23:08:55,145 INFO L274 CegarLoopResult]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2020-10-25 23:08:55,146 INFO L274 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-10-25 23:08:55,146 INFO L274 CegarLoopResult]: For program point L982(lines 982 989) no Hoare annotation was computed. [2020-10-25 23:08:55,146 INFO L277 CegarLoopResult]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2020-10-25 23:08:55,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,147 INFO L270 CegarLoopResult]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:55,147 INFO L274 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-10-25 23:08:55,147 INFO L270 CegarLoopResult]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.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 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,147 INFO L270 CegarLoopResult]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:08:55,148 INFO L270 CegarLoopResult]: At program point L259(lines 244 262) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:55,148 INFO L270 CegarLoopResult]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2020-10-25 23:08:55,148 INFO L270 CegarLoopResult]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2020-10-25 23:08:55,148 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,148 INFO L274 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2020-10-25 23:08:55,149 INFO L274 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-10-25 23:08:55,150 INFO L274 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-10-25 23:08:55,150 INFO L270 CegarLoopResult]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.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 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,150 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,150 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,151 INFO L274 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-10-25 23:08:55,151 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-10-25 23:08:55,151 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-10-25 23:08:55,151 INFO L277 CegarLoopResult]: At program point L991(lines 972 994) the Hoare annotation is: true [2020-10-25 23:08:55,151 INFO L270 CegarLoopResult]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:08:55,152 INFO L270 CegarLoopResult]: At program point L431(lines 422 435) the Hoare annotation is: false [2020-10-25 23:08:55,152 INFO L270 CegarLoopResult]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:08:55,152 INFO L270 CegarLoopResult]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2020-10-25 23:08:55,152 INFO L270 CegarLoopResult]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2020-10-25 23:08:55,152 INFO L270 CegarLoopResult]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2020-10-25 23:08:55,153 INFO L270 CegarLoopResult]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2020-10-25 23:08:55,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:55 BoogieIcfgContainer [2020-10-25 23:08:55,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:55,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:55,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:55,218 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:55,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47" (3/4) ... [2020-10-25 23:08:55,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:55,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:55,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:55,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:55,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:55,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:55,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:55,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:55,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:08:55,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:08:55,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:08:55,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 [2020-10-25 23:08:55,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 [2020-10-25 23:08:55,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:08:55,398 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:55,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:55,399 INFO L168 Benchmark]: Toolchain (without parser) took 10221.93 ms. Allocated memory was 46.1 MB in the beginning and 146.8 MB in the end (delta: 100.7 MB). Free memory was 22.9 MB in the beginning and 85.6 MB in the end (delta: -62.8 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,400 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 23.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:55,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.61 ms. Allocated memory is still 46.1 MB. Free memory was 22.3 MB in the beginning and 22.5 MB in the end (delta: -258.0 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.69 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 18.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,401 INFO L168 Benchmark]: Boogie Preprocessor took 99.05 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 18.8 MB in the beginning and 38.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,401 INFO L168 Benchmark]: RCFGBuilder took 1182.90 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 25.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,402 INFO L168 Benchmark]: TraceAbstraction took 7836.00 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 24.8 MB in the beginning and 97.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,402 INFO L168 Benchmark]: Witness Printer took 180.94 ms. Allocated memory is still 146.8 MB. Free memory was 97.2 MB in the beginning and 85.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 23.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 743.61 ms. Allocated memory is still 46.1 MB. Free memory was 22.3 MB in the beginning and 22.5 MB in the end (delta: -258.0 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 161.69 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 18.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.05 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 18.8 MB in the beginning and 38.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1182.90 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 25.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7836.00 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 24.8 MB in the beginning and 97.2 MB in the end (delta: -72.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * Witness Printer took 180.94 ms. Allocated memory is still 146.8 MB. Free memory was 97.2 MB in the beginning and 85.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 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: 422]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1044 SDtfs, 1656 SDslu, 1464 SDs, 0 SdLazy, 257 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred 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, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 902 HoareAnnotationTreeSize, 50 FomulaSimplifications, 78102 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 17559 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 29305 SizeOfPredicates, 4 NumberOfNonLiveVariables, 447 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...