./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product38.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_product38.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 7823238d9993e50be60fbd89a7a2539069d00257 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:44:08,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:08,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:08,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:08,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:08,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:08,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:08,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:08,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:08,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:08,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:08,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:08,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:08,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:08,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:08,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:08,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:08,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:08,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:08,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:08,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:08,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:08,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:08,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:08,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:08,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:08,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:08,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:08,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:08,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:08,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:08,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:08,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:08,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:08,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:08,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:08,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:08,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:08,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:08,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:08,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:08,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:08,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:08,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:08,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:08,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:08,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:08,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:08,463 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:08,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:08,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:08,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:08,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:08,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:08,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:08,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:08,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:08,465 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:08,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:08,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:08,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:08,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:08,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:08,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:08,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:08,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:08,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:08,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:08,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:08,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:08,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:08,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:08,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7823238d9993e50be60fbd89a7a2539069d00257 [2021-08-26 08:44:08,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:08,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:08,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:08,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:08,788 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:08,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-08-26 08:44:08,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0feed352/de3ed3c99a454b59ab0b6f67ad59cee0/FLAG86c530783 [2021-08-26 08:44:09,308 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:09,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-08-26 08:44:09,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0feed352/de3ed3c99a454b59ab0b6f67ad59cee0/FLAG86c530783 [2021-08-26 08:44:09,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0feed352/de3ed3c99a454b59ab0b6f67ad59cee0 [2021-08-26 08:44:09,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:09,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:09,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:09,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:09,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:09,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f77f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09, skipping insertion in model container [2021-08-26 08:44:09,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:09,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:09,618 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_product38.cil.c[15098,15111] [2021-08-26 08:44:09,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:09,639 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:09,692 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_product38.cil.c[15098,15111] [2021-08-26 08:44:09,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:09,725 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:09,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09 WrapperNode [2021-08-26 08:44:09,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:09,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:09,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:09,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:09,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:09,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:09,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:09,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:09,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:09,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:09,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:09,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:09,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:09,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:09,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:09,909 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 08:44:09,911 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 08:44:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:10,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:10,770 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-08-26 08:44:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:10 BoogieIcfgContainer [2021-08-26 08:44:10,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:10,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:10,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:10,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:10,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:09" (1/3) ... [2021-08-26 08:44:10,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@966ef5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:10, skipping insertion in model container [2021-08-26 08:44:10,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:09" (2/3) ... [2021-08-26 08:44:10,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@966ef5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:10, skipping insertion in model container [2021-08-26 08:44:10,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:10" (3/3) ... [2021-08-26 08:44:10,780 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2021-08-26 08:44:10,787 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:10,788 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:10,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:10,841 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 08:44:10,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 08:44:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:10,863 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,863 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 08:44:10,864 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 08:44:10,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2021-08-26 08:44:10,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432976783] [2021-08-26 08:44:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,145 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 08:44:11,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432976783] [2021-08-26 08:44:11,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432976783] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:11,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75395427] [2021-08-26 08:44:11,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:11,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:11,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:11,175 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 08:44:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,218 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-08-26 08:44:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:11,219 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 08:44:11,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,229 INFO L225 Difference]: With dead ends: 228 [2021-08-26 08:44:11,229 INFO L226 Difference]: Without dead ends: 113 [2021-08-26 08:44:11,232 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 08:44:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-08-26 08:44:11,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-26 08:44:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 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 08:44:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-08-26 08:44:11,280 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-08-26 08:44:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,281 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-08-26 08:44:11,281 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 08:44:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-08-26 08:44:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:11,284 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,284 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 08:44:11,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:11,285 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 08:44:11,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2021-08-26 08:44:11,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373226415] [2021-08-26 08:44:11,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,399 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 08:44:11,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373226415] [2021-08-26 08:44:11,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373226415] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:11,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97766489] [2021-08-26 08:44:11,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:11,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:11,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,405 INFO L87 Difference]: Start difference. First operand 113 states and 165 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 08:44:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,422 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-08-26 08:44:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:11,423 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 08:44:11,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,425 INFO L225 Difference]: With dead ends: 113 [2021-08-26 08:44:11,425 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:44:11,426 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:44:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:44:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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 08:44:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-08-26 08:44:11,434 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-08-26 08:44:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,435 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-08-26 08:44:11,435 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 08:44:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-08-26 08:44:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:11,437 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,437 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 08:44:11,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:11,437 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 08:44:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,438 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2021-08-26 08:44:11,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440457090] [2021-08-26 08:44:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,499 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 08:44:11,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440457090] [2021-08-26 08:44:11,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440457090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:11,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562936641] [2021-08-26 08:44:11,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:11,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:11,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,502 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 08:44:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,516 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-08-26 08:44:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:11,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 08:44:11,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,517 INFO L225 Difference]: With dead ends: 88 [2021-08-26 08:44:11,518 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:44:11,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:44:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:44:11,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:44:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 08:44:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-08-26 08:44:11,522 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-08-26 08:44:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,522 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-08-26 08:44:11,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 08:44:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-08-26 08:44:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:44:11,523 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,523 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 08:44:11,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:11,524 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 08:44:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2021-08-26 08:44:11,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593011997] [2021-08-26 08:44:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,560 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 08:44:11,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593011997] [2021-08-26 08:44:11,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593011997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:11,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299499447] [2021-08-26 08:44:11,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:11,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,563 INFO L87 Difference]: Start difference. First operand 47 states and 67 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 08:44:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,591 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-08-26 08:44:11,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:11,591 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 08:44:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,592 INFO L225 Difference]: With dead ends: 111 [2021-08-26 08:44:11,592 INFO L226 Difference]: Without dead ends: 70 [2021-08-26 08:44:11,593 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 08:44:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-08-26 08:44:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-08-26 08:44:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 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 08:44:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-08-26 08:44:11,602 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-08-26 08:44:11,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,603 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-08-26 08:44:11,603 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 08:44:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-08-26 08:44:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:11,605 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,605 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 08:44:11,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:11,605 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 08:44:11,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,606 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2021-08-26 08:44:11,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047984624] [2021-08-26 08:44:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,693 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 08:44:11,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047984624] [2021-08-26 08:44:11,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047984624] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:11,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437869368] [2021-08-26 08:44:11,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:11,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:11,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:11,696 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:44:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,761 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-08-26 08:44:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:11,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:44:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,764 INFO L225 Difference]: With dead ends: 183 [2021-08-26 08:44:11,764 INFO L226 Difference]: Without dead ends: 121 [2021-08-26 08:44:11,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-08-26 08:44:11,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-08-26 08:44:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 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 08:44:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-08-26 08:44:11,777 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-08-26 08:44:11,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,778 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-08-26 08:44:11,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:44:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-08-26 08:44:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:11,779 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,779 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 08:44:11,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:11,780 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 08:44:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,781 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2021-08-26 08:44:11,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47831628] [2021-08-26 08:44:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,861 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 08:44:11,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47831628] [2021-08-26 08:44:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47831628] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:11,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973400844] [2021-08-26 08:44:11,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:11,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:11,867 INFO L87 Difference]: Start difference. First operand 74 states and 102 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 08:44:11,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,954 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-08-26 08:44:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:11,955 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 08:44:11,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,956 INFO L225 Difference]: With dead ends: 373 [2021-08-26 08:44:11,957 INFO L226 Difference]: Without dead ends: 305 [2021-08-26 08:44:11,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:11,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-08-26 08:44:11,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-08-26 08:44:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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 08:44:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-08-26 08:44:11,990 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-08-26 08:44:11,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,990 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-08-26 08:44:11,990 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 08:44:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-08-26 08:44:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:11,995 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,996 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 08:44:11,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:11,996 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 08:44:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2021-08-26 08:44:11,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309394685] [2021-08-26 08:44:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,049 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 08:44:12,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309394685] [2021-08-26 08:44:12,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309394685] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:12,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272791803] [2021-08-26 08:44:12,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:12,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:12,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,052 INFO L87 Difference]: Start difference. First operand 121 states and 164 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 08:44:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,151 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-08-26 08:44:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:12,151 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 08:44:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,152 INFO L225 Difference]: With dead ends: 250 [2021-08-26 08:44:12,153 INFO L226 Difference]: Without dead ends: 182 [2021-08-26 08:44:12,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-08-26 08:44:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-08-26 08:44:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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 08:44:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-08-26 08:44:12,168 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-08-26 08:44:12,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,168 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-08-26 08:44:12,168 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 08:44:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-08-26 08:44:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:12,169 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,169 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 08:44:12,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:12,170 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 08:44:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2021-08-26 08:44:12,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693926116] [2021-08-26 08:44:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,206 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 08:44:12,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693926116] [2021-08-26 08:44:12,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693926116] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:12,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456241167] [2021-08-26 08:44:12,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:12,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:12,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,208 INFO L87 Difference]: Start difference. First operand 179 states and 243 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 08:44:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,246 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-08-26 08:44:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:12,247 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 08:44:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,248 INFO L225 Difference]: With dead ends: 422 [2021-08-26 08:44:12,249 INFO L226 Difference]: Without dead ends: 295 [2021-08-26 08:44:12,249 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-08-26 08:44:12,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-08-26 08:44:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 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 08:44:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-08-26 08:44:12,259 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-08-26 08:44:12,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,259 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-08-26 08:44:12,260 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 08:44:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-08-26 08:44:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:12,260 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,260 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 08:44:12,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:12,261 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 08:44:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2021-08-26 08:44:12,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345188488] [2021-08-26 08:44:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,304 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 08:44:12,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345188488] [2021-08-26 08:44:12,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345188488] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772806687] [2021-08-26 08:44:12,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,306 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,429 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-08-26 08:44:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:12,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,431 INFO L225 Difference]: With dead ends: 457 [2021-08-26 08:44:12,431 INFO L226 Difference]: Without dead ends: 290 [2021-08-26 08:44:12,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-08-26 08:44:12,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-08-26 08:44:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 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 08:44:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-08-26 08:44:12,442 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-08-26 08:44:12,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,442 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-08-26 08:44:12,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-08-26 08:44:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:12,443 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,443 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 08:44:12,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:12,443 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 08:44:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2021-08-26 08:44:12,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774368800] [2021-08-26 08:44:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,483 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 08:44:12,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774368800] [2021-08-26 08:44:12,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774368800] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363451551] [2021-08-26 08:44:12,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,486 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,525 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-08-26 08:44:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:12,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,527 INFO L225 Difference]: With dead ends: 385 [2021-08-26 08:44:12,527 INFO L226 Difference]: Without dead ends: 239 [2021-08-26 08:44:12,528 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:12,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-08-26 08:44:12,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-08-26 08:44:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 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 08:44:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-08-26 08:44:12,537 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-08-26 08:44:12,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,538 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-08-26 08:44:12,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 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 08:44:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-08-26 08:44:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-26 08:44:12,539 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,539 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] [2021-08-26 08:44:12,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:12,539 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 08:44:12,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2021-08-26 08:44:12,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273930768] [2021-08-26 08:44:12,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,588 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 08:44:12,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273930768] [2021-08-26 08:44:12,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273930768] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133198755] [2021-08-26 08:44:12,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,590 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.6) 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 08:44:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,637 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-08-26 08:44:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:12,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) 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 50 [2021-08-26 08:44:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,639 INFO L225 Difference]: With dead ends: 281 [2021-08-26 08:44:12,639 INFO L226 Difference]: Without dead ends: 173 [2021-08-26 08:44:12,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-08-26 08:44:12,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-08-26 08:44:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 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 08:44:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-08-26 08:44:12,648 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-08-26 08:44:12,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,649 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-08-26 08:44:12,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) 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 08:44:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-08-26 08:44:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-26 08:44:12,649 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,650 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] [2021-08-26 08:44:12,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:12,650 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 08:44:12,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2021-08-26 08:44:12,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270681730] [2021-08-26 08:44:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,694 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 08:44:12,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270681730] [2021-08-26 08:44:12,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270681730] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:12,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851375412] [2021-08-26 08:44:12,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,697 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) 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 08:44:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,791 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-08-26 08:44:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) 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 51 [2021-08-26 08:44:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,794 INFO L225 Difference]: With dead ends: 633 [2021-08-26 08:44:12,794 INFO L226 Difference]: Without dead ends: 515 [2021-08-26 08:44:12,794 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-08-26 08:44:12,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-08-26 08:44:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 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 08:44:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-08-26 08:44:12,815 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-08-26 08:44:12,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,816 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-08-26 08:44:12,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) 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 08:44:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-08-26 08:44:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-26 08:44:12,816 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,817 INFO L512 BasicCegarLoop]: trace histogram [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 08:44:12,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:44:12,817 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 08:44:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2021-08-26 08:44:12,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282584325] [2021-08-26 08:44:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:44:12,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282584325] [2021-08-26 08:44:12,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282584325] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:12,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262829819] [2021-08-26 08:44:12,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:44:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:12,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:44:12,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:44:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:44:13,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:44:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:44:13,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262829819] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:13,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:44:13,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:44:13,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227635574] [2021-08-26 08:44:13,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:44:13,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:44:13,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:13,330 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 08:44:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:13,467 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-08-26 08:44:13,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:13,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 52 [2021-08-26 08:44:13,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:13,469 INFO L225 Difference]: With dead ends: 580 [2021-08-26 08:44:13,469 INFO L226 Difference]: Without dead ends: 346 [2021-08-26 08:44:13,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:44:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-08-26 08:44:13,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-08-26 08:44:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 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 08:44:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-08-26 08:44:13,488 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-08-26 08:44:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:13,489 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-08-26 08:44:13,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 08:44:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-08-26 08:44:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:13,490 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:13,490 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] [2021-08-26 08:44:13,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:44:13,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-26 08:44:13,713 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 08:44:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:13,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2021-08-26 08:44:13,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:13,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56888135] [2021-08-26 08:44:13,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:13,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,790 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 08:44:13,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:13,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56888135] [2021-08-26 08:44:13,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56888135] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:13,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:13,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:13,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490457923] [2021-08-26 08:44:13,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:13,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:13,793 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 08:44:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:13,930 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-08-26 08:44:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:44:13,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 08:44:13,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:13,932 INFO L225 Difference]: With dead ends: 547 [2021-08-26 08:44:13,932 INFO L226 Difference]: Without dead ends: 377 [2021-08-26 08:44:13,932 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 58.1ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-26 08:44:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-08-26 08:44:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 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 08:44:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-08-26 08:44:13,951 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-08-26 08:44:13,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:13,951 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-08-26 08:44:13,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 08:44:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-08-26 08:44:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-26 08:44:13,952 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:13,952 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] [2021-08-26 08:44:13,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 08:44:13,953 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 08:44:13,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2021-08-26 08:44:13,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:13,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232412184] [2021-08-26 08:44:13,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:13,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-08-26 08:44:14,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:14,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232412184] [2021-08-26 08:44:14,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232412184] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:14,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:14,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:14,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601949572] [2021-08-26 08:44:14,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:14,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:14,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:14,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:14,028 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 08:44:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:14,173 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2021-08-26 08:44:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 74 [2021-08-26 08:44:14,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:14,174 INFO L225 Difference]: With dead ends: 863 [2021-08-26 08:44:14,174 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:14,175 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:14,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:14,176 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 08:44:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:14,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-08-26 08:44:14,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:14,176 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:14,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 08:44:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:14,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:14,179 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,179 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,179 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 08:44:14,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:14,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,552 INFO L853 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 (= ~pumpRunning~0 0) .cse4 .cse5 (<= ~waterLevel~0 1) .cse6 .cse7))) [2021-08-26 08:44:21,553 INFO L853 garLoopResultBuilder]: At program point L894-1(lines 889 897) the Hoare annotation is: false [2021-08-26 08:44:21,553 INFO L853 garLoopResultBuilder]: At program point L894-2(lines 889 897) the Hoare annotation is: false [2021-08-26 08:44:21,553 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,553 INFO L853 garLoopResultBuilder]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse1 .cse8 .cse7 .cse4) (and .cse1 .cse8 .cse4 .cse5))) [2021-08-26 08:44:21,553 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:21,553 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2021-08-26 08:44:21,554 INFO L853 garLoopResultBuilder]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2021-08-26 08:44:21,554 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-08-26 08:44:21,554 INFO L853 garLoopResultBuilder]: At program point L928-1(lines 1 945) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse11 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse12 .cse4 .cse5 (<= ~waterLevel~0 1) .cse8 .cse9 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse13 .cse8 .cse14 .cse10 .cse15 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse16 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse8 .cse14 .cse16 .cse15 .cse11) (and .cse1 .cse12 .cse13 .cse8 .cse14 .cse15) (and .cse1 .cse12 .cse5 .cse8 (= ~waterLevel~0 1)))) [2021-08-26 08:44:21,554 INFO L853 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5))) [2021-08-26 08:44:21,554 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 941) no Hoare annotation was computed. [2021-08-26 08:44:21,554 INFO L853 garLoopResultBuilder]: At program point L862-1(lines 857 865) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse13 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse4 .cse10 .cse14 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse10 .cse12))) [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L928-3(lines 1 945) the Hoare annotation is: false [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2021-08-26 08:44:21,555 INFO L857 garLoopResultBuilder]: For program point L928-4(lines 928 941) no Hoare annotation was computed. [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L862-3(lines 857 865) the Hoare annotation is: false [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L928-5(lines 1 945) the Hoare annotation is: false [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L862-4(lines 857 865) the Hoare annotation is: false [2021-08-26 08:44:21,555 INFO L853 garLoopResultBuilder]: At program point L862-5(lines 857 865) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334(lines 319 337) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse0 (not .cse14)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse12 .cse7 .cse13 .cse14) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse4 .cse12 .cse7 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse13 .cse8)))) [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2021-08-26 08:44:21,556 INFO L853 garLoopResultBuilder]: At program point L270(lines 263 273) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse5))) [2021-08-26 08:44:21,557 INFO L853 garLoopResultBuilder]: At program point L270-1(lines 263 273) the Hoare annotation is: false [2021-08-26 08:44:21,557 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,557 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 263 273) the Hoare annotation is: false [2021-08-26 08:44:21,557 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,557 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,557 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-08-26 08:44:21,557 INFO L857 garLoopResultBuilder]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,558 INFO L853 garLoopResultBuilder]: At program point L105-1(lines 105 111) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse11 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse7 .cse8 .cse15 .cse13) (and .cse7 .cse8 .cse16 .cse4 .cse13))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse13) (and .cse8 .cse14 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse14 .cse10 .cse4 .cse15) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse8 .cse14 .cse9 .cse10 .cse4 .cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse8 .cse14 .cse10 .cse16 .cse4) (and .cse0 .cse1 .cse9 .cse10 .cse2 .cse4 .cse12)))) [2021-08-26 08:44:21,558 INFO L857 garLoopResultBuilder]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,558 INFO L857 garLoopResultBuilder]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2021-08-26 08:44:21,558 INFO L853 garLoopResultBuilder]: At program point L733-2(lines 733 747) the Hoare annotation is: false [2021-08-26 08:44:21,558 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-08-26 08:44:21,558 INFO L857 garLoopResultBuilder]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-08-26 08:44:21,558 INFO L857 garLoopResultBuilder]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2021-08-26 08:44:21,559 INFO L857 garLoopResultBuilder]: For program point L734(line 734) no Hoare annotation was computed. [2021-08-26 08:44:21,559 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:21,559 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,559 INFO L853 garLoopResultBuilder]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse7 .cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse11 .cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse9) (and .cse1 .cse12 .cse4 (<= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse7 .cse11))) [2021-08-26 08:44:21,559 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2021-08-26 08:44:21,559 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902-2(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902-3(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902-4(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L902-5(lines 902 908) no Hoare annotation was computed. [2021-08-26 08:44:21,560 INFO L857 garLoopResultBuilder]: For program point L737-1(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:21,561 INFO L853 garLoopResultBuilder]: At program point L143(lines 94 144) the Hoare annotation is: false [2021-08-26 08:44:21,561 INFO L857 garLoopResultBuilder]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-08-26 08:44:21,561 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 811) no Hoare annotation was computed. [2021-08-26 08:44:21,561 INFO L860 garLoopResultBuilder]: At program point L804-1(lines 804 811) the Hoare annotation is: true [2021-08-26 08:44:21,561 INFO L853 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9))) [2021-08-26 08:44:21,561 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907(lines 898 911) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907-1(lines 898 911) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse6 .cse8 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4)))) [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907-2(lines 898 911) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907-3(lines 898 911) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907-4(lines 898 911) the Hoare annotation is: false [2021-08-26 08:44:21,562 INFO L853 garLoopResultBuilder]: At program point L907-5(lines 898 911) the Hoare annotation is: false [2021-08-26 08:44:21,563 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 121) no Hoare annotation was computed. [2021-08-26 08:44:21,563 INFO L853 garLoopResultBuilder]: At program point L115-1(lines 115 121) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-08-26 08:44:21,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:21,563 INFO L860 garLoopResultBuilder]: At program point L813(lines 794 816) the Hoare annotation is: true [2021-08-26 08:44:21,563 INFO L853 garLoopResultBuilder]: At program point L781(lines 777 783) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:21,563 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-08-26 08:44:21,563 INFO L857 garLoopResultBuilder]: For program point L717(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L717-1(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L717-2(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 138) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 243) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2021-08-26 08:44:21,564 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L96(lines 95 142) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L922-2(lines 922 942) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L922-4(lines 922 942) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,565 INFO L857 garLoopResultBuilder]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,566 INFO L857 garLoopResultBuilder]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:21,567 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-08-26 08:44:21,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 717) no Hoare annotation was computed. [2021-08-26 08:44:21,568 INFO L857 garLoopResultBuilder]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2021-08-26 08:44:21,568 INFO L857 garLoopResultBuilder]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2021-08-26 08:44:21,568 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2021-08-26 08:44:21,568 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:21,568 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 168 174) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-08-26 08:44:21,568 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,569 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,569 INFO L857 garLoopResultBuilder]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,569 INFO L857 garLoopResultBuilder]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,569 INFO L857 garLoopResultBuilder]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,569 INFO L857 garLoopResultBuilder]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2021-08-26 08:44:21,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:21,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:21 BoogieIcfgContainer [2021-08-26 08:44:21,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:21,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:21,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:21,599 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:21,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:10" (3/4) ... [2021-08-26 08:44:21,601 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:21,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:21,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:21,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:21,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:21,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:21,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:21,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:21,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:21,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) [2021-08-26 08:44:21,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:44:21,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:44:21,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:44:21,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:44:21,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:44:21,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:44:21,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) [2021-08-26 08:44:21,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:44:21,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) [2021-08-26 08:44:21,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) [2021-08-26 08:44:21,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) [2021-08-26 08:44:21,677 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:21,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:21,679 INFO L168 Benchmark]: Toolchain (without parser) took 12340.49 ms. Allocated memory was 65.0 MB in the beginning and 207.6 MB in the end (delta: 142.6 MB). Free memory was 39.7 MB in the beginning and 95.1 MB in the end (delta: -55.5 MB). Peak memory consumption was 87.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,679 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 27.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:21,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.75 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 40.3 MB in the end (delta: -799.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 65.0 MB. Free memory was 40.3 MB in the beginning and 36.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,680 INFO L168 Benchmark]: Boogie Preprocessor took 82.95 ms. Allocated memory is still 65.0 MB. Free memory was 36.5 MB in the beginning and 33.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,680 INFO L168 Benchmark]: RCFGBuilder took 888.16 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 38.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,681 INFO L168 Benchmark]: TraceAbstraction took 10824.21 ms. Allocated memory was 79.7 MB in the beginning and 207.6 MB in the end (delta: 127.9 MB). Free memory was 37.9 MB in the beginning and 105.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,681 INFO L168 Benchmark]: Witness Printer took 79.34 ms. Allocated memory is still 207.6 MB. Free memory was 105.7 MB in the beginning and 95.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:21,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 27.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 386.75 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 40.3 MB in the end (delta: -799.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 65.0 MB. Free memory was 40.3 MB in the beginning and 36.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.95 ms. Allocated memory is still 65.0 MB. Free memory was 36.5 MB in the beginning and 33.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 888.16 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 38.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10824.21 ms. Allocated memory was 79.7 MB in the beginning and 207.6 MB in the end (delta: 127.9 MB). Free memory was 37.9 MB in the beginning and 105.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. * Witness Printer took 79.34 ms. Allocated memory is still 207.6 MB. Free memory was 105.7 MB in the beginning and 95.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 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: 717]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 717]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 717]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10737.4ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 25.6ms, AutomataDifference: 1198.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7371.7ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1525 SDtfs, 2009 SDslu, 2416 SDs, 0 SdLazy, 371 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 447.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 306.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 204.6ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1699 HoareAnnotationTreeSize, 46 FomulaSimplifications, 4376041 FormulaSimplificationTreeSizeReduction, 1985.5ms HoareSimplificationTime, 46 FomulaSimplificationsInter, 1399915 FormulaSimplificationTreeSizeReductionInter, 5366.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 74.3ms SsaConstructionTime, 388.1ms SatisfiabilityAnalysisTime, 934.8ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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: 175]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:21,732 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...