./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_spec3_product46.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 ee3873e13261eb6c81628e215e5ca4b9d8112589 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:44:11,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:11,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:11,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:11,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:11,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:11,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:11,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:11,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:11,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:11,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:11,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:11,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:11,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:11,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:11,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:11,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:11,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:11,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:11,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:11,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:11,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:11,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:11,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:11,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:11,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:11,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:11,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:11,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:11,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:11,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:11,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:11,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:11,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:11,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:11,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:11,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:11,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:11,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:11,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:11,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:11,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:11,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:11,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:11,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:11,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:11,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:11,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:11,760 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:11,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:11,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:11,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:11,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:11,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:11,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:11,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:11,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:11,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:11,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:11,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:11,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:11,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:11,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:11,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:11,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:11,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:11,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:11,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:11,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:11,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:11,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:11,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:11,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3873e13261eb6c81628e215e5ca4b9d8112589 [2021-08-26 08:44:12,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:12,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:12,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:12,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:12,123 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:12,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-08-26 08:44:12,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f1c3b84/6cc808a12cb84180b27c6320ce3369b6/FLAGda437943f [2021-08-26 08:44:12,697 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:12,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-08-26 08:44:12,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f1c3b84/6cc808a12cb84180b27c6320ce3369b6/FLAGda437943f [2021-08-26 08:44:13,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f1c3b84/6cc808a12cb84180b27c6320ce3369b6 [2021-08-26 08:44:13,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:13,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:13,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:13,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:13,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:13,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af73b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13, skipping insertion in model container [2021-08-26 08:44:13,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:13,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:13,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18107,18120] [2021-08-26 08:44:13,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:13,341 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:13,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18107,18120] [2021-08-26 08:44:13,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:13,408 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:13,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13 WrapperNode [2021-08-26 08:44:13,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:13,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:13,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:13,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:13,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:13,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:13,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:13,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:13,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:13,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:13,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:13,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:13,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:13,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:13,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:44:13,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:44:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:14,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:14,579 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-08-26 08:44:14,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14 BoogieIcfgContainer [2021-08-26 08:44:14,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:14,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:14,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:14,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:14,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:13" (1/3) ... [2021-08-26 08:44:14,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4539799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:14, skipping insertion in model container [2021-08-26 08:44:14,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (2/3) ... [2021-08-26 08:44:14,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4539799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:14, skipping insertion in model container [2021-08-26 08:44:14,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14" (3/3) ... [2021-08-26 08:44:14,590 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2021-08-26 08:44:14,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:14,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:14,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:14,642 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:44:14,643 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:14,664 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:14,664 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:14,665 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:14,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1532365727, now seen corresponding path program 1 times [2021-08-26 08:44:14,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:14,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598766482] [2021-08-26 08:44:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:14,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:14,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:14,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598766482] [2021-08-26 08:44:14,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598766482] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:14,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:14,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:14,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122854737] [2021-08-26 08:44:14,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:14,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:14,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:14,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:14,964 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,009 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-08-26 08:44:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 08:44:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,019 INFO L225 Difference]: With dead ends: 264 [2021-08-26 08:44:15,020 INFO L226 Difference]: Without dead ends: 131 [2021-08-26 08:44:15,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-26 08:44:15,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-26 08:44:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-08-26 08:44:15,066 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-08-26 08:44:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,066 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-08-26 08:44:15,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-08-26 08:44:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:15,068 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,068 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:15,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:15,069 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:15,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,070 INFO L82 PathProgramCache]: Analyzing trace with hash -70818645, now seen corresponding path program 1 times [2021-08-26 08:44:15,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672394326] [2021-08-26 08:44:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:15,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672394326] [2021-08-26 08:44:15,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672394326] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:15,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24769183] [2021-08-26 08:44:15,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:15,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:15,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,148 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,159 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-08-26 08:44:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:15,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:44:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,161 INFO L225 Difference]: With dead ends: 131 [2021-08-26 08:44:15,161 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:44:15,162 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:44:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:44:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:44:15,167 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-08-26 08:44:15,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,168 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:44:15,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:44:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:15,171 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,171 INFO L512 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] [2021-08-26 08:44:15,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:15,172 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:15,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1705695964, now seen corresponding path program 1 times [2021-08-26 08:44:15,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432997575] [2021-08-26 08:44:15,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:15,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432997575] [2021-08-26 08:44:15,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432997575] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:15,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534737017] [2021-08-26 08:44:15,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:15,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:15,323 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,373 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-08-26 08:44:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:15,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:44:15,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,375 INFO L225 Difference]: With dead ends: 100 [2021-08-26 08:44:15,375 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:44:15,375 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:15,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:44:15,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:44:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-26 08:44:15,389 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-08-26 08:44:15,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,399 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-26 08:44:15,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-26 08:44:15,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:44:15,404 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,404 INFO L512 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] [2021-08-26 08:44:15,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:15,405 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1939313638, now seen corresponding path program 1 times [2021-08-26 08:44:15,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23533340] [2021-08-26 08:44:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:15,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23533340] [2021-08-26 08:44:15,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23533340] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:15,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176546845] [2021-08-26 08:44:15,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:15,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:15,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,496 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,536 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-08-26 08:44:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:15,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:44:15,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,537 INFO L225 Difference]: With dead ends: 123 [2021-08-26 08:44:15,537 INFO L226 Difference]: Without dead ends: 76 [2021-08-26 08:44:15,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-08-26 08:44:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-08-26 08:44:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-08-26 08:44:15,567 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-08-26 08:44:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,567 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-08-26 08:44:15,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-08-26 08:44:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:15,568 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,569 INFO L512 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] [2021-08-26 08:44:15,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:15,569 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,570 INFO L82 PathProgramCache]: Analyzing trace with hash -501882354, now seen corresponding path program 1 times [2021-08-26 08:44:15,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914942071] [2021-08-26 08:44:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:15,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914942071] [2021-08-26 08:44:15,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914942071] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:15,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912997327] [2021-08-26 08:44:15,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:15,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:15,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:15,671 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,803 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2021-08-26 08:44:15,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:15,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 08:44:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,806 INFO L225 Difference]: With dead ends: 373 [2021-08-26 08:44:15,807 INFO L226 Difference]: Without dead ends: 305 [2021-08-26 08:44:15,807 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:15,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-08-26 08:44:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-08-26 08:44:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 120 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2021-08-26 08:44:15,826 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2021-08-26 08:44:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,826 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2021-08-26 08:44:15,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2021-08-26 08:44:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:15,828 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,828 INFO L512 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] [2021-08-26 08:44:15,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:15,828 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1572928884, now seen corresponding path program 1 times [2021-08-26 08:44:15,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673007317] [2021-08-26 08:44:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:15,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673007317] [2021-08-26 08:44:15,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673007317] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:15,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56472444] [2021-08-26 08:44:15,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:15,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:15,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:15,896 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,043 INFO L93 Difference]: Finished difference Result 250 states and 352 transitions. [2021-08-26 08:44:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:16,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-26 08:44:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,048 INFO L225 Difference]: With dead ends: 250 [2021-08-26 08:44:16,049 INFO L226 Difference]: Without dead ends: 182 [2021-08-26 08:44:16,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-08-26 08:44:16,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-08-26 08:44:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3932584269662922) internal successors, (248), 178 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 248 transitions. [2021-08-26 08:44:16,088 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 248 transitions. Word has length 33 [2021-08-26 08:44:16,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,088 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 248 transitions. [2021-08-26 08:44:16,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 248 transitions. [2021-08-26 08:44:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:16,095 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,095 INFO L512 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] [2021-08-26 08:44:16,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:16,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1710921162, now seen corresponding path program 1 times [2021-08-26 08:44:16,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405495184] [2021-08-26 08:44:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:16,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405495184] [2021-08-26 08:44:16,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405495184] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:16,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830196993] [2021-08-26 08:44:16,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:16,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:16,166 INFO L87 Difference]: Start difference. First operand 179 states and 248 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,226 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2021-08-26 08:44:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:16,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-26 08:44:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,229 INFO L225 Difference]: With dead ends: 497 [2021-08-26 08:44:16,230 INFO L226 Difference]: Without dead ends: 370 [2021-08-26 08:44:16,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-08-26 08:44:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 179. [2021-08-26 08:44:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 178 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2021-08-26 08:44:16,259 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 33 [2021-08-26 08:44:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,260 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2021-08-26 08:44:16,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2021-08-26 08:44:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:16,262 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,262 INFO L512 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] [2021-08-26 08:44:16,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:16,263 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:16,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1969086600, now seen corresponding path program 1 times [2021-08-26 08:44:16,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234100105] [2021-08-26 08:44:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:16,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234100105] [2021-08-26 08:44:16,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234100105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:44:16,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561292259] [2021-08-26 08:44:16,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:44:16,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:44:16,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:16,372 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,478 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2021-08-26 08:44:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-26 08:44:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,481 INFO L225 Difference]: With dead ends: 624 [2021-08-26 08:44:16,482 INFO L226 Difference]: Without dead ends: 451 [2021-08-26 08:44:16,482 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 54.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-08-26 08:44:16,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 188. [2021-08-26 08:44:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 187 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 253 transitions. [2021-08-26 08:44:16,505 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 253 transitions. Word has length 33 [2021-08-26 08:44:16,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,506 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 253 transitions. [2021-08-26 08:44:16,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 253 transitions. [2021-08-26 08:44:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:16,508 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,508 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:16,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:16,509 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -558169663, now seen corresponding path program 1 times [2021-08-26 08:44:16,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019342786] [2021-08-26 08:44:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:16,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019342786] [2021-08-26 08:44:16,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019342786] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781154580] [2021-08-26 08:44:16,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:16,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:16,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:16,594 INFO L87 Difference]: Start difference. First operand 188 states and 253 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,831 INFO L93 Difference]: Finished difference Result 1177 states and 1553 transitions. [2021-08-26 08:44:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-26 08:44:16,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:44:16,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,838 INFO L225 Difference]: With dead ends: 1177 [2021-08-26 08:44:16,838 INFO L226 Difference]: Without dead ends: 995 [2021-08-26 08:44:16,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 74.8ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-26 08:44:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2021-08-26 08:44:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 356. [2021-08-26 08:44:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3295774647887324) internal successors, (472), 355 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 472 transitions. [2021-08-26 08:44:16,875 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 472 transitions. Word has length 36 [2021-08-26 08:44:16,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,877 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 472 transitions. [2021-08-26 08:44:16,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 472 transitions. [2021-08-26 08:44:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:16,878 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,879 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:16,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:16,880 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,880 INFO L82 PathProgramCache]: Analyzing trace with hash 121888707, now seen corresponding path program 1 times [2021-08-26 08:44:16,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819240416] [2021-08-26 08:44:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:16,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819240416] [2021-08-26 08:44:16,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819240416] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706257089] [2021-08-26 08:44:16,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,957 INFO L87 Difference]: Start difference. First operand 356 states and 472 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,135 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2021-08-26 08:44:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:17,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:44:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,138 INFO L225 Difference]: With dead ends: 930 [2021-08-26 08:44:17,138 INFO L226 Difference]: Without dead ends: 580 [2021-08-26 08:44:17,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-08-26 08:44:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 302. [2021-08-26 08:44:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.2923588039867109) internal successors, (389), 301 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 389 transitions. [2021-08-26 08:44:17,167 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 389 transitions. Word has length 36 [2021-08-26 08:44:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,167 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 389 transitions. [2021-08-26 08:44:17,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2021-08-26 08:44:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-26 08:44:17,168 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,168 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:17,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:17,169 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,170 INFO L82 PathProgramCache]: Analyzing trace with hash -613249401, now seen corresponding path program 1 times [2021-08-26 08:44:17,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543129473] [2021-08-26 08:44:17,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:17,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543129473] [2021-08-26 08:44:17,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543129473] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:44:17,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644023297] [2021-08-26 08:44:17,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:44:17,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:44:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,251 INFO L87 Difference]: Start difference. First operand 302 states and 389 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,478 INFO L93 Difference]: Finished difference Result 889 states and 1138 transitions. [2021-08-26 08:44:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 08:44:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-08-26 08:44:17,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,482 INFO L225 Difference]: With dead ends: 889 [2021-08-26 08:44:17,482 INFO L226 Difference]: Without dead ends: 593 [2021-08-26 08:44:17,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 86.5ms TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:44:17,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-08-26 08:44:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 282. [2021-08-26 08:44:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 281 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2021-08-26 08:44:17,519 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 37 [2021-08-26 08:44:17,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,520 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2021-08-26 08:44:17,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2021-08-26 08:44:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:17,521 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,521 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 08:44:17,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:17,521 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1278493487, now seen corresponding path program 1 times [2021-08-26 08:44:17,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851376847] [2021-08-26 08:44:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:44:17,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851376847] [2021-08-26 08:44:17,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851376847] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:17,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837678482] [2021-08-26 08:44:17,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,589 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,650 INFO L93 Difference]: Finished difference Result 653 states and 819 transitions. [2021-08-26 08:44:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:17,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-26 08:44:17,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,653 INFO L225 Difference]: With dead ends: 653 [2021-08-26 08:44:17,653 INFO L226 Difference]: Without dead ends: 377 [2021-08-26 08:44:17,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-26 08:44:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 282. [2021-08-26 08:44:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2384341637010676) internal successors, (348), 281 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2021-08-26 08:44:17,680 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 53 [2021-08-26 08:44:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,681 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2021-08-26 08:44:17,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2021-08-26 08:44:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:17,682 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,683 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 08:44:17,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:44:17,683 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1350880045, now seen corresponding path program 1 times [2021-08-26 08:44:17,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058018210] [2021-08-26 08:44:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:44:17,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058018210] [2021-08-26 08:44:17,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058018210] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105187356] [2021-08-26 08:44:17,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:17,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:17,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:17,744 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,788 INFO L93 Difference]: Finished difference Result 600 states and 751 transitions. [2021-08-26 08:44:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:17,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-26 08:44:17,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,790 INFO L225 Difference]: With dead ends: 600 [2021-08-26 08:44:17,790 INFO L226 Difference]: Without dead ends: 324 [2021-08-26 08:44:17,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-26 08:44:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 240. [2021-08-26 08:44:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2426778242677825) internal successors, (297), 239 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2021-08-26 08:44:17,813 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 53 [2021-08-26 08:44:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,814 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2021-08-26 08:44:17,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2021-08-26 08:44:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:44:17,815 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,815 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 08:44:17,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 08:44:17,815 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1916178793, now seen corresponding path program 1 times [2021-08-26 08:44:17,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619846599] [2021-08-26 08:44:17,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:17,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619846599] [2021-08-26 08:44:17,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619846599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951251637] [2021-08-26 08:44:17,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,862 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,970 INFO L93 Difference]: Finished difference Result 612 states and 756 transitions. [2021-08-26 08:44:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:17,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-08-26 08:44:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,972 INFO L225 Difference]: With dead ends: 612 [2021-08-26 08:44:17,972 INFO L226 Difference]: Without dead ends: 378 [2021-08-26 08:44:17,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-08-26 08:44:17,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 240. [2021-08-26 08:44:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2259414225941423) internal successors, (293), 239 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2021-08-26 08:44:17,996 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 54 [2021-08-26 08:44:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,997 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2021-08-26 08:44:17,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2021-08-26 08:44:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:44:17,998 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,998 INFO L512 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] [2021-08-26 08:44:17,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 08:44:17,999 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1094031012, now seen corresponding path program 1 times [2021-08-26 08:44:17,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480046696] [2021-08-26 08:44:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:44:18,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480046696] [2021-08-26 08:44:18,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480046696] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:18,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649973557] [2021-08-26 08:44:18,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:18,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:18,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:18,063 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,234 INFO L93 Difference]: Finished difference Result 571 states and 706 transitions. [2021-08-26 08:44:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:44:18,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:44:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,236 INFO L225 Difference]: With dead ends: 571 [2021-08-26 08:44:18,236 INFO L226 Difference]: Without dead ends: 387 [2021-08-26 08:44:18,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 59.7ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-08-26 08:44:18,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240. [2021-08-26 08:44:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2217573221757323) internal successors, (292), 239 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2021-08-26 08:44:18,260 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 56 [2021-08-26 08:44:18,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,260 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2021-08-26 08:44:18,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2021-08-26 08:44:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-08-26 08:44:18,261 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,262 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-26 08:44:18,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 08:44:18,262 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:18,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1896433734, now seen corresponding path program 1 times [2021-08-26 08:44:18,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367184722] [2021-08-26 08:44:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-26 08:44:18,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367184722] [2021-08-26 08:44:18,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367184722] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:44:18,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159323657] [2021-08-26 08:44:18,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:44:18,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:44:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:18,335 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,635 INFO L93 Difference]: Finished difference Result 609 states and 743 transitions. [2021-08-26 08:44:18,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:44:18,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-08-26 08:44:18,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,638 INFO L225 Difference]: With dead ends: 609 [2021-08-26 08:44:18,638 INFO L226 Difference]: Without dead ends: 425 [2021-08-26 08:44:18,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 132.3ms TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-08-26 08:44:18,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-08-26 08:44:18,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 232. [2021-08-26 08:44:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.2207792207792207) internal successors, (282), 231 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2021-08-26 08:44:18,666 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 77 [2021-08-26 08:44:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,667 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2021-08-26 08:44:18,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2021-08-26 08:44:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-26 08:44:18,668 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,668 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-26 08:44:18,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-26 08:44:18,669 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:18,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,669 INFO L82 PathProgramCache]: Analyzing trace with hash -98970795, now seen corresponding path program 1 times [2021-08-26 08:44:18,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004783536] [2021-08-26 08:44:18,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-08-26 08:44:18,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004783536] [2021-08-26 08:44:18,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004783536] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:18,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688671129] [2021-08-26 08:44:18,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:18,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:18,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:18,731 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,923 INFO L93 Difference]: Finished difference Result 953 states and 1179 transitions. [2021-08-26 08:44:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:44:18,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-08-26 08:44:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,924 INFO L225 Difference]: With dead ends: 953 [2021-08-26 08:44:18,924 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:18,926 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:18,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:18,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:18,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2021-08-26 08:44:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,927 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:18,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:18,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:18,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-26 08:44:18,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:18,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:22,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:23,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:34,345 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,345 INFO L853 garLoopResultBuilder]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse10 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) (not .cse5) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse2 .cse3 .cse4 .cse9 .cse6 .cse7 .cse5 .cse8 .cse10) (and .cse0 (not .cse11) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (not .cse12) .cse9 .cse6 (not .cse13) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse10) (and .cse0 .cse13 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) .cse2 .cse3 .cse4 .cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse11 (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse6 .cse7 (= ~waterLevel~0 1) .cse8))) [2021-08-26 08:44:34,346 INFO L853 garLoopResultBuilder]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2021-08-26 08:44:34,346 INFO L853 garLoopResultBuilder]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2021-08-26 08:44:34,346 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-08-26 08:44:34,346 INFO L853 garLoopResultBuilder]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 (not .cse1) (not .cse2) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-08-26 08:44:34,346 INFO L853 garLoopResultBuilder]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,346 INFO L853 garLoopResultBuilder]: At program point L631-2(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_main_~tmp~4 1)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse12 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5) (not .cse6) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-3(lines 626 634) the Hoare annotation is: (let ((.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse3 (not .cse10)) (.cse4 (not .cse11)) (.cse2 (not .cse12)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse19 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse18 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse16 (= ~waterLevel~0 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11 .cse5 .cse6 .cse7 .cse12 .cse8 .cse9) (and .cse1 .cse13 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse1 .cse13 .cse14 .cse15 .cse3 .cse4 .cse6 .cse7 .cse16 .cse8) (and .cse1 .cse13 .cse10 .cse11 (<= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse8) (and .cse1 (not .cse17) .cse10 .cse11 (<= 2 ~waterLevel~0) (not .cse18) .cse5 .cse6 (not .cse19) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse9) (and .cse1 .cse19 .cse13 .cse14 .cse10 .cse11 .cse18 .cse15 .cse17 .cse6 .cse7 .cse16 .cse8)))) [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-6(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-7(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-8(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,347 INFO L853 garLoopResultBuilder]: At program point L631-9(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,348 INFO L853 garLoopResultBuilder]: At program point L631-10(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,348 INFO L853 garLoopResultBuilder]: At program point L631-11(lines 626 634) the Hoare annotation is: false [2021-08-26 08:44:34,348 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 504) no Hoare annotation was computed. [2021-08-26 08:44:34,348 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 692 698) no Hoare annotation was computed. [2021-08-26 08:44:34,348 INFO L853 garLoopResultBuilder]: At program point L699(lines 699 705) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse18 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse2 (not .cse11)) (.cse4 (not .cse10)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse10 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 .cse18 .cse8) (and .cse1 .cse13 (<= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse8) (and .cse1 (not .cse17) .cse3 .cse10 (<= 2 ~waterLevel~0) (not .cse15) .cse5 .cse6 (not .cse12) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8 .cse9) (and .cse1 .cse13 .cse14 .cse16 .cse4 .cse6 .cse7 .cse18 .cse8) (and .cse1 .cse13 .cse2 .cse4 .cse6 .cse7 .cse8)))) [2021-08-26 08:44:34,348 INFO L853 garLoopResultBuilder]: At program point L699-1(lines 699 705) the Hoare annotation is: false [2021-08-26 08:44:34,348 INFO L853 garLoopResultBuilder]: At program point L699-2(lines 699 705) the Hoare annotation is: false [2021-08-26 08:44:34,349 INFO L853 garLoopResultBuilder]: At program point L105(lines 1 962) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:34,349 INFO L857 garLoopResultBuilder]: For program point L899(lines 898 945) no Hoare annotation was computed. [2021-08-26 08:44:34,349 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 904) no Hoare annotation was computed. [2021-08-26 08:44:34,349 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 578) no Hoare annotation was computed. [2021-08-26 08:44:34,349 INFO L860 garLoopResultBuilder]: At program point L571-1(lines 571 578) the Hoare annotation is: true [2021-08-26 08:44:34,349 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L869-5(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,350 INFO L857 garLoopResultBuilder]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-8(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-9(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-11(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-12(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-14(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,351 INFO L857 garLoopResultBuilder]: For program point L869-15(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,352 INFO L857 garLoopResultBuilder]: For program point L869-17(lines 869 873) no Hoare annotation was computed. [2021-08-26 08:44:34,352 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 940) no Hoare annotation was computed. [2021-08-26 08:44:34,352 INFO L853 garLoopResultBuilder]: At program point L936-2(lines 692 698) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (or (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse5)) .cse2 .cse3) (and .cse0 .cse8 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse2 .cse3 .cse6 .cse4))) [2021-08-26 08:44:34,352 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 610) no Hoare annotation was computed. [2021-08-26 08:44:34,352 INFO L853 garLoopResultBuilder]: At program point L113(lines 108 116) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:34,352 INFO L853 garLoopResultBuilder]: At program point L676(lines 667 680) the Hoare annotation is: false [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4 .cse5))) [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2021-08-26 08:44:34,353 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 914) no Hoare annotation was computed. [2021-08-26 08:44:34,353 INFO L853 garLoopResultBuilder]: At program point L908-1(lines 908 914) the Hoare annotation is: (let ((.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse18 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse8 (not .cse18)) (.cse10 (not .cse15)) (.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (= ~pumpRunning~0 0)) (.cse9 (not .cse16)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~waterLevel~0 1)) (.cse12 (not .cse17)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7 .cse4 .cse5)) .cse8 .cse9 .cse10 .cse3 .cse11 .cse12) (and .cse13 .cse0 .cse8 .cse9 .cse10 .cse2 .cse3 .cse11 .cse12 .cse4 .cse5) (and .cse0 .cse14 .cse15 .cse3 .cse11 .cse7 .cse4) (and .cse0 .cse14 .cse16 .cse15 .cse17 .cse8 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse3 .cse11 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 2)) .cse4) (and .cse0 .cse14 .cse8 .cse9 .cse10 .cse3 .cse11 .cse12 .cse4) (and (or (and .cse0 .cse6 .cse16 .cse15 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse16 .cse15 .cse1 .cse2 .cse3 .cse4 .cse5)) .cse17 .cse3 .cse11 .cse18) (and .cse0 .cse14 .cse1 .cse9 .cse3 .cse11 .cse12 .cse4) (and .cse0 .cse14 .cse15 .cse1 .cse3 .cse11 .cse4) (and .cse13 .cse0 .cse16 .cse15 .cse17 .cse2 .cse3 .cse11 .cse18 .cse4 .cse5) (and .cse0 .cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse9 .cse3 .cse11 .cse7 .cse12 .cse4)))) [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875(lines 860 878) the Hoare annotation is: false [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 860 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~waterLevel~0 1) .cse8) (and .cse0 .cse2 (<= 2 ~waterLevel~0) (not .cse4) .cse6 (not .cse1) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875-2(lines 860 878) the Hoare annotation is: false [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875-3(lines 860 878) the Hoare annotation is: false [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875-4(lines 860 878) the Hoare annotation is: false [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L875-5(lines 860 878) the Hoare annotation is: false [2021-08-26 08:44:34,354 INFO L853 garLoopResultBuilder]: At program point L811(lines 804 814) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 1))) (or (and .cse0 (not .cse1) (not .cse2) (not .cse3) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8))) [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-1(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-2(lines 804 814) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse8 (= ULTIMATE.start_main_~tmp~4 1)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse13 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (not .cse6) (not .cse7) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11 .cse3 .cse12 .cse13))) [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-3(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-4(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-5(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-6(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,355 INFO L853 garLoopResultBuilder]: At program point L811-7(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,356 INFO L860 garLoopResultBuilder]: At program point L580(lines 561 583) the Hoare annotation is: true [2021-08-26 08:44:34,356 INFO L853 garLoopResultBuilder]: At program point L547(lines 543 549) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~4 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:34,356 INFO L853 garLoopResultBuilder]: At program point L811-8(lines 804 814) the Hoare annotation is: false [2021-08-26 08:44:34,356 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:34,356 INFO L853 garLoopResultBuilder]: At program point L946(lines 897 947) the Hoare annotation is: false [2021-08-26 08:44:34,356 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:34,356 INFO L857 garLoopResultBuilder]: For program point L55-2(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:34,356 INFO L857 garLoopResultBuilder]: For program point L55-4(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 767) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L618(lines 618 622) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 924) no Hoare annotation was computed. [2021-08-26 08:44:34,357 INFO L853 garLoopResultBuilder]: At program point L918-1(lines 918 924) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (or (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse5)) .cse2 .cse3) (and .cse0 .cse8 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse8 .cse2 .cse3 .cse6 .cse4))) [2021-08-26 08:44:34,357 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L857 garLoopResultBuilder]: For program point L786-2(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L857 garLoopResultBuilder]: For program point L786-4(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L857 garLoopResultBuilder]: For program point L786-6(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L857 garLoopResultBuilder]: For program point L786-8(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L857 garLoopResultBuilder]: For program point L786-10(lines 786 792) no Hoare annotation was computed. [2021-08-26 08:44:34,358 INFO L853 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (= ~pumpRunning~0 1))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse4 .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 .cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse9 .cse10))) [2021-08-26 08:44:34,358 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 815 823) the Hoare annotation is: false [2021-08-26 08:44:34,359 INFO L857 garLoopResultBuilder]: For program point L754(lines 754 762) no Hoare annotation was computed. [2021-08-26 08:44:34,359 INFO L853 garLoopResultBuilder]: At program point L820-2(lines 815 823) the Hoare annotation is: false [2021-08-26 08:44:34,359 INFO L857 garLoopResultBuilder]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2021-08-26 08:44:34,359 INFO L857 garLoopResultBuilder]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2021-08-26 08:44:34,359 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:34,359 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:34,359 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 962) the Hoare annotation is: (let ((.cse14 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse16 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse2 (not .cse16)) (.cse4 (not .cse13)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~7 0)) (.cse10 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse3 (not .cse12)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= ~waterLevel~0 1)) (.cse8 (not .cse14)) (.cse9 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse13 .cse14 (<= ~waterLevel~0 1) .cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 2)) .cse9) (and .cse1 .cse11 .cse13 .cse6 .cse7 .cse15 .cse9) (and .cse1 .cse11 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse12 .cse13 .cse14 .cse5 .cse6 .cse7 .cse16 .cse9 .cse10) (and .cse1 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0)) .cse12 .cse13 .cse14 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse16 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) .cse9 .cse10) (and .cse1 .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse6 .cse7 .cse15 .cse8 .cse9)))) [2021-08-26 08:44:34,360 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:34,360 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 962) the Hoare annotation is: false [2021-08-26 08:44:34,360 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:34,360 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 962) the Hoare annotation is: false [2021-08-26 08:44:34,360 INFO L857 garLoopResultBuilder]: For program point L724(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,360 INFO L857 garLoopResultBuilder]: For program point L724-1(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,360 INFO L857 garLoopResultBuilder]: For program point L724-2(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,363 INFO L857 garLoopResultBuilder]: For program point L724-3(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,363 INFO L857 garLoopResultBuilder]: For program point L724-4(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,363 INFO L857 garLoopResultBuilder]: For program point L724-5(lines 724 741) no Hoare annotation was computed. [2021-08-26 08:44:34,363 INFO L853 garLoopResultBuilder]: At program point L692(lines 691 710) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~7 0) .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-08-26 08:44:34,363 INFO L857 garLoopResultBuilder]: For program point L692-1(lines 692 698) no Hoare annotation was computed. [2021-08-26 08:44:34,363 INFO L853 garLoopResultBuilder]: At program point L692-2(lines 691 710) the Hoare annotation is: false [2021-08-26 08:44:34,364 INFO L853 garLoopResultBuilder]: At program point L692-3(lines 691 710) the Hoare annotation is: false [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,364 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L853 garLoopResultBuilder]: At program point L496-2(lines 496 510) the Hoare annotation is: false [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L959(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L959-1(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L959-2(line 959) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,365 INFO L857 garLoopResultBuilder]: For program point L728-1(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,366 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,366 INFO L857 garLoopResultBuilder]: For program point L728-3(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,366 INFO L857 garLoopResultBuilder]: For program point L728-4(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,366 INFO L857 garLoopResultBuilder]: For program point L728-5(lines 728 736) no Hoare annotation was computed. [2021-08-26 08:44:34,366 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-08-26 08:44:34,370 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:34,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:34 BoogieIcfgContainer [2021-08-26 08:44:34,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:34,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:34,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:34,406 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:34,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14" (3/4) ... [2021-08-26 08:44:34,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:34,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:34,425 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:34,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:34,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:34,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:34,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:34,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:34,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:44:34,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:44:34,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-08-26 08:44:34,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-08-26 08:44:34,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:34,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:34,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && tmp == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:34,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:34,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) [2021-08-26 08:44:34,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) [2021-08-26 08:44:34,505 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:34,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:34,507 INFO L168 Benchmark]: Toolchain (without parser) took 21469.79 ms. Allocated memory was 60.8 MB in the beginning and 312.5 MB in the end (delta: 251.7 MB). Free memory was 38.8 MB in the beginning and 274.2 MB in the end (delta: -235.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,507 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:34,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.02 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 37.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.62 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 32.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,508 INFO L168 Benchmark]: Boogie Preprocessor took 83.79 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 30.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,509 INFO L168 Benchmark]: RCFGBuilder took 1007.32 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 55.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,509 INFO L168 Benchmark]: TraceAbstraction took 19821.05 ms. Allocated memory was 75.5 MB in the beginning and 312.5 MB in the end (delta: 237.0 MB). Free memory was 55.1 MB in the beginning and 286.8 MB in the end (delta: -231.6 MB). Peak memory consumption was 191.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,509 INFO L168 Benchmark]: Witness Printer took 99.85 ms. Allocated memory is still 312.5 MB. Free memory was 286.8 MB in the beginning and 274.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:34,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.02 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 37.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.62 ms. Allocated memory is still 60.8 MB. Free memory was 36.9 MB in the beginning and 32.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.79 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 30.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1007.32 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 55.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19821.05 ms. Allocated memory was 75.5 MB in the beginning and 312.5 MB in the end (delta: 237.0 MB). Free memory was 55.1 MB in the beginning and 286.8 MB in the end (delta: -231.6 MB). Peak memory consumption was 191.7 MB. Max. memory is 16.1 GB. * Witness Printer took 99.85 ms. Allocated memory is still 312.5 MB. Free memory was 286.8 MB in the beginning and 274.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 959]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 959]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 959]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 19735.1ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 32.4ms, AutomataDifference: 2236.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 15413.8ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2034 SDtfs, 3220 SDslu, 3671 SDs, 0 SdLazy, 609 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 756.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 617.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=9, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 395.2ms AutomataMinimizationTime, 17 MinimizatonAttempts, 2528 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 382 NumberOfFragments, 2315 HoareAnnotationTreeSize, 58 FomulaSimplifications, 107400404 FormulaSimplificationTreeSizeReduction, 4179.5ms HoareSimplificationTime, 58 FomulaSimplificationsInter, 21646922 FormulaSimplificationTreeSizeReductionInter, 11213.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 62.1ms SsaConstructionTime, 334.3ms SatisfiabilityAnalysisTime, 935.6ms InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 160/160 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && tmp == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((((((((((((((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && !(\result == 2)) && tmp == 1) && \result == 1) && !(tmp___0 == 2)) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0)) && !(0 == systemActive))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(tmp == 0)) && !(0 == systemActive)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && !(tmp == 0)) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((((splverifierCounter == 0 && !(tmp == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 0) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:34,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...