./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_spec2_product47.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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:43:32,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:32,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:32,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:32,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:32,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:32,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:32,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:32,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:32,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:32,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:32,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:32,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:32,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:32,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:32,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:32,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:32,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:32,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:32,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:32,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:32,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:32,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:32,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:32,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:32,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:32,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:32,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:32,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:32,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:32,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:32,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:32,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:32,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:32,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:32,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:32,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:32,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:32,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:32,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:32,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:32,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:32,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:32,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:32,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:32,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:32,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:32,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:32,694 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:32,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:32,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:32,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:32,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:32,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:32,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:32,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:32,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:32,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:32,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:32,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:32,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:32,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:32,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:32,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:32,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:32,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:32,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:32,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:32,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:32,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:32,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:32,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:32,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2021-08-26 08:43:32,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:32,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:32,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:32,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:32,952 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:32,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-08-26 08:43:32,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039950ba3/8bda577bbdb047ce803b2016ddf14a6a/FLAG7a96d79df [2021-08-26 08:43:33,404 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:33,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-08-26 08:43:33,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039950ba3/8bda577bbdb047ce803b2016ddf14a6a/FLAG7a96d79df [2021-08-26 08:43:33,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039950ba3/8bda577bbdb047ce803b2016ddf14a6a [2021-08-26 08:43:33,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:33,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:33,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:33,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:33,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:33,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa15792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33, skipping insertion in model container [2021-08-26 08:43:33,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:33,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:33,582 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_spec2_product47.cil.c[1281,1294] [2021-08-26 08:43:33,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:33,729 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:33,741 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_spec2_product47.cil.c[1281,1294] [2021-08-26 08:43:33,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:33,816 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:33,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33 WrapperNode [2021-08-26 08:43:33,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:33,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:33,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:33,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:33,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:33,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:33,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:33,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:33,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:33,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:33,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:33,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:33,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (1/1) ... [2021-08-26 08:43:33,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:33,970 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 08:43:33,991 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 08:43:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:34,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:34,813 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-08-26 08:43:34,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:34 BoogieIcfgContainer [2021-08-26 08:43:34,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:34,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:34,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:34,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:34,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:33" (1/3) ... [2021-08-26 08:43:34,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3596c45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:34, skipping insertion in model container [2021-08-26 08:43:34,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:33" (2/3) ... [2021-08-26 08:43:34,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3596c45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:34, skipping insertion in model container [2021-08-26 08:43:34,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:34" (3/3) ... [2021-08-26 08:43:34,821 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-08-26 08:43:34,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:34,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:34,865 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:34,871 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 08:43:34,872 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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 08:43:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:34,899 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:34,899 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 08:43:34,900 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 08:43:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:34,904 INFO L82 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-08-26 08:43:34,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:34,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021381860] [2021-08-26 08:43:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:34,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,128 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 08:43:35,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021381860] [2021-08-26 08:43:35,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021381860] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:35,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559432479] [2021-08-26 08:43:35,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:35,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:35,152 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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 08:43:35,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,191 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-08-26 08:43:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:35,192 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 08:43:35,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,203 INFO L225 Difference]: With dead ends: 263 [2021-08-26 08:43:35,203 INFO L226 Difference]: Without dead ends: 131 [2021-08-26 08:43:35,206 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 08:43:35,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-26 08:43:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-26 08:43:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.484375) internal successors, (190), 130 states have internal predecessors, (190), 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 08:43:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-08-26 08:43:35,252 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-08-26 08:43:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,253 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-08-26 08:43:35,253 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 08:43:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-08-26 08:43:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:35,254 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,254 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 08:43:35,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:35,255 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 08:43:35,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-08-26 08:43:35,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350311479] [2021-08-26 08:43:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,346 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 08:43:35,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350311479] [2021-08-26 08:43:35,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350311479] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:35,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950320360] [2021-08-26 08:43:35,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,351 INFO L87 Difference]: Start difference. First operand 131 states and 190 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 08:43:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,369 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-08-26 08:43:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,370 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 08:43:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,371 INFO L225 Difference]: With dead ends: 131 [2021-08-26 08:43:35,372 INFO L226 Difference]: Without dead ends: 55 [2021-08-26 08:43:35,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-08-26 08:43:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-08-26 08:43:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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 08:43:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-08-26 08:43:35,381 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-08-26 08:43:35,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,381 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-08-26 08:43:35,382 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 08:43:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-08-26 08:43:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:35,383 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,383 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 08:43:35,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:35,384 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 08:43:35,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,385 INFO L82 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-08-26 08:43:35,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071807813] [2021-08-26 08:43:35,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,452 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 08:43:35,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071807813] [2021-08-26 08:43:35,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071807813] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:35,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773475042] [2021-08-26 08:43:35,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,458 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:43:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,477 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-08-26 08:43:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:43:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,484 INFO L225 Difference]: With dead ends: 151 [2021-08-26 08:43:35,484 INFO L226 Difference]: Without dead ends: 103 [2021-08-26 08:43:35,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-08-26 08:43:35,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-08-26 08:43:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.489795918367347) internal successors, (146), 98 states have internal predecessors, (146), 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 08:43:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-08-26 08:43:35,505 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2021-08-26 08:43:35,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,506 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-08-26 08:43:35,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:43:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-08-26 08:43:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:35,507 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,507 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 08:43:35,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:35,508 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 08:43:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-08-26 08:43:35,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998606320] [2021-08-26 08:43:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,579 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 08:43:35,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998606320] [2021-08-26 08:43:35,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998606320] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:35,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069362134] [2021-08-26 08:43:35,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:35,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:35,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,584 INFO L87 Difference]: Start difference. First operand 99 states and 146 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 08:43:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,636 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2021-08-26 08:43:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:35,636 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 08:43:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,637 INFO L225 Difference]: With dead ends: 234 [2021-08-26 08:43:35,637 INFO L226 Difference]: Without dead ends: 142 [2021-08-26 08:43:35,638 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-08-26 08:43:35,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-08-26 08:43:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.4676258992805755) internal successors, (204), 139 states have internal predecessors, (204), 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 08:43:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2021-08-26 08:43:35,650 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2021-08-26 08:43:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,651 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2021-08-26 08:43:35,651 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 08:43:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-08-26 08:43:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:43:35,654 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,654 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] [2021-08-26 08:43:35,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:35,654 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 08:43:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,655 INFO L82 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-08-26 08:43:35,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370067588] [2021-08-26 08:43:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,720 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 08:43:35,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370067588] [2021-08-26 08:43:35,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370067588] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:35,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234051769] [2021-08-26 08:43:35,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:35,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:35,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,722 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 08:43:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:35,851 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2021-08-26 08:43:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:35,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-08-26 08:43:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:35,854 INFO L225 Difference]: With dead ends: 685 [2021-08-26 08:43:35,854 INFO L226 Difference]: Without dead ends: 552 [2021-08-26 08:43:35,855 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:35,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-08-26 08:43:35,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2021-08-26 08:43:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.441860465116279) internal successors, (372), 258 states have internal predecessors, (372), 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 08:43:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2021-08-26 08:43:35,875 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2021-08-26 08:43:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:35,875 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2021-08-26 08:43:35,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 08:43:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2021-08-26 08:43:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:43:35,878 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:35,878 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] [2021-08-26 08:43:35,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:35,878 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 08:43:35,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:35,879 INFO L82 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-08-26 08:43:35,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:35,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476661091] [2021-08-26 08:43:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:35,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:35,948 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 08:43:35,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:35,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476661091] [2021-08-26 08:43:35,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476661091] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:35,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:35,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:35,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510360903] [2021-08-26 08:43:35,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:35,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:35,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:35,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:35,950 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 08:43:36,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,080 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2021-08-26 08:43:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:43:36,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-08-26 08:43:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,082 INFO L225 Difference]: With dead ends: 997 [2021-08-26 08:43:36,083 INFO L226 Difference]: Without dead ends: 745 [2021-08-26 08:43:36,083 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 53.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2021-08-26 08:43:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2021-08-26 08:43:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.4296875) internal successors, (366), 256 states have internal predecessors, (366), 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 08:43:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2021-08-26 08:43:36,095 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2021-08-26 08:43:36,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,095 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2021-08-26 08:43:36,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 08:43:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2021-08-26 08:43:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:36,096 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:43:36,096 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 08:43:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,097 INFO L82 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-08-26 08:43:36,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063894077] [2021-08-26 08:43:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:43:36,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063894077] [2021-08-26 08:43:36,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063894077] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:36,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51709507] [2021-08-26 08:43:36,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:36,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:36,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:36,147 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,218 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2021-08-26 08:43:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:36,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:43:36,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,221 INFO L225 Difference]: With dead ends: 687 [2021-08-26 08:43:36,226 INFO L226 Difference]: Without dead ends: 437 [2021-08-26 08:43:36,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:36,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-08-26 08:43:36,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2021-08-26 08:43:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.3928571428571428) internal successors, (390), 280 states have internal predecessors, (390), 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 08:43:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2021-08-26 08:43:36,238 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2021-08-26 08:43:36,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,238 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2021-08-26 08:43:36,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2021-08-26 08:43:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:36,239 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:43:36,240 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 08:43:36,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-08-26 08:43:36,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984495738] [2021-08-26 08:43:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,283 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 08:43:36,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984495738] [2021-08-26 08:43:36,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984495738] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:36,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989770624] [2021-08-26 08:43:36,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:43:36,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:43:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:43:36,288 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,339 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2021-08-26 08:43:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:43:36,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:43:36,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,342 INFO L225 Difference]: With dead ends: 675 [2021-08-26 08:43:36,342 INFO L226 Difference]: Without dead ends: 401 [2021-08-26 08:43:36,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-08-26 08:43:36,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2021-08-26 08:43:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.3716216216216217) internal successors, (406), 296 states have internal predecessors, (406), 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 08:43:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2021-08-26 08:43:36,361 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2021-08-26 08:43:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,362 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2021-08-26 08:43:36,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-08-26 08:43:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:43:36,362 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,363 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:43:36,363 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 08:43:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-08-26 08:43:36,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446105328] [2021-08-26 08:43:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,406 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 08:43:36,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446105328] [2021-08-26 08:43:36,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446105328] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:36,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160767292] [2021-08-26 08:43:36,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:36,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:36,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,408 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,447 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2021-08-26 08:43:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:36,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:43:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,449 INFO L225 Difference]: With dead ends: 691 [2021-08-26 08:43:36,449 INFO L226 Difference]: Without dead ends: 401 [2021-08-26 08:43:36,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-08-26 08:43:36,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-08-26 08:43:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.33) internal successors, (532), 400 states have internal predecessors, (532), 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 08:43:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2021-08-26 08:43:36,470 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2021-08-26 08:43:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,470 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2021-08-26 08:43:36,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2021-08-26 08:43:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-26 08:43:36,472 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,472 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:43:36,473 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 08:43:36,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,473 INFO L82 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-08-26 08:43:36,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366016470] [2021-08-26 08:43:36,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,547 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 08:43:36,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366016470] [2021-08-26 08:43:36,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366016470] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:36,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072361095] [2021-08-26 08:43:36,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:36,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:36,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:36,550 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,829 INFO L93 Difference]: Finished difference Result 1436 states and 1911 transitions. [2021-08-26 08:43:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:43:36,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-08-26 08:43:36,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,832 INFO L225 Difference]: With dead ends: 1436 [2021-08-26 08:43:36,832 INFO L226 Difference]: Without dead ends: 1042 [2021-08-26 08:43:36,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 82.8ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:43:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-08-26 08:43:36,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 401. [2021-08-26 08:43:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.305) internal successors, (522), 400 states have internal predecessors, (522), 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 08:43:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2021-08-26 08:43:36,870 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2021-08-26 08:43:36,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,871 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2021-08-26 08:43:36,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2021-08-26 08:43:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:43:36,872 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,873 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:36,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:43:36,873 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 08:43:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,874 INFO L82 PathProgramCache]: Analyzing trace with hash 805243324, now seen corresponding path program 1 times [2021-08-26 08:43:36,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686927333] [2021-08-26 08:43:36,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:43:36,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:36,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686927333] [2021-08-26 08:43:36,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686927333] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:36,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:36,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:36,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228710056] [2021-08-26 08:43:36,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:36,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:36,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:36,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,902 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:43:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:36,950 INFO L93 Difference]: Finished difference Result 489 states and 635 transitions. [2021-08-26 08:43:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:36,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 54 [2021-08-26 08:43:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:36,951 INFO L225 Difference]: With dead ends: 489 [2021-08-26 08:43:36,952 INFO L226 Difference]: Without dead ends: 200 [2021-08-26 08:43:36,952 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-08-26 08:43:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-08-26 08:43:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.256281407035176) internal successors, (250), 199 states have internal predecessors, (250), 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 08:43:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 250 transitions. [2021-08-26 08:43:36,961 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 250 transitions. Word has length 54 [2021-08-26 08:43:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:36,961 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 250 transitions. [2021-08-26 08:43:36,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:43:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 250 transitions. [2021-08-26 08:43:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:43:36,962 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:36,962 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, 1, 1, 1, 1] [2021-08-26 08:43:36,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:43:36,963 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 08:43:36,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-08-26 08:43:36,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:36,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325941297] [2021-08-26 08:43:36,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:36,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:43:37,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:37,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325941297] [2021-08-26 08:43:37,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325941297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:37,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:37,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:43:37,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590845844] [2021-08-26 08:43:37,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:37,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:37,019 INFO L87 Difference]: Start difference. First operand 200 states and 250 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 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 08:43:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:37,162 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-08-26 08:43:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:43:37,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 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 56 [2021-08-26 08:43:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:37,163 INFO L225 Difference]: With dead ends: 499 [2021-08-26 08:43:37,163 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:37,164 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 47.8ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:43:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:37,164 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 08:43:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:37,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:43:37,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:37,165 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:37,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 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 08:43:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:37,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:37,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:37,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:37,167 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:37,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:43:37,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:37,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:37,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:38,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:40,766 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L853 garLoopResultBuilder]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse4 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse7))) [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 781) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L764-1(lines 764 781) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-08-26 08:43:40,767 INFO L853 garLoopResultBuilder]: At program point L897-1(lines 897 903) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800-6(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800-8(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L800-10(lines 800 806) no Hoare annotation was computed. [2021-08-26 08:43:40,768 INFO L853 garLoopResultBuilder]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0) .cse4))) [2021-08-26 08:43:40,768 INFO L853 garLoopResultBuilder]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2021-08-26 08:43:40,768 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 776) no Hoare annotation was computed. [2021-08-26 08:43:40,769 INFO L853 garLoopResultBuilder]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2021-08-26 08:43:40,769 INFO L857 garLoopResultBuilder]: For program point L768-1(lines 768 776) no Hoare annotation was computed. [2021-08-26 08:43:40,769 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2021-08-26 08:43:40,769 INFO L853 garLoopResultBuilder]: At program point L967(lines 918 968) the Hoare annotation is: false [2021-08-26 08:43:40,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,769 INFO L853 garLoopResultBuilder]: At program point L76(lines 1 974) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,769 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,769 INFO L857 garLoopResultBuilder]: For program point L738-1(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L738-2(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L738-3(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L738-4(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L738-5(lines 738 755) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L853 garLoopResultBuilder]: At program point L474-1(lines 1 974) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse4 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse7))) [2021-08-26 08:43:40,770 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-08-26 08:43:40,770 INFO L853 garLoopResultBuilder]: At program point L474-3(lines 1 974) the Hoare annotation is: false [2021-08-26 08:43:40,771 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-08-26 08:43:40,771 INFO L853 garLoopResultBuilder]: At program point L474-5(lines 1 974) the Hoare annotation is: false [2021-08-26 08:43:40,771 INFO L853 garLoopResultBuilder]: At program point L706(lines 705 724) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:40,771 INFO L857 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-08-26 08:43:40,771 INFO L853 garLoopResultBuilder]: At program point L706-2(lines 705 724) the Hoare annotation is: false [2021-08-26 08:43:40,771 INFO L853 garLoopResultBuilder]: At program point L706-3(lines 705 724) the Hoare annotation is: false [2021-08-26 08:43:40,771 INFO L853 garLoopResultBuilder]: At program point L508-2(lines 508 522) the Hoare annotation is: false [2021-08-26 08:43:40,771 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L608-3(lines 608 612) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L608-6(lines 608 612) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-08-26 08:43:40,772 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:40,772 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L742-1(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L742-2(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L742-3(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L742-4(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L742-5(lines 742 750) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-26 08:43:40,773 INFO L857 garLoopResultBuilder]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 516) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 706 712) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L857 garLoopResultBuilder]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L857 garLoopResultBuilder]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-08-26 08:43:40,774 INFO L853 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:40,774 INFO L853 garLoopResultBuilder]: At program point L645-1(lines 640 648) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:40,774 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-3(lines 640 648) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse4 .cse3 .cse5 .cse7) (and .cse0 .cse4 .cse1 .cse2 .cse6))) [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-4(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-5(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-6(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-7(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-8(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-9(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,775 INFO L853 garLoopResultBuilder]: At program point L645-10(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,776 INFO L853 garLoopResultBuilder]: At program point L645-11(lines 640 648) the Hoare annotation is: false [2021-08-26 08:43:40,776 INFO L853 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,776 INFO L853 garLoopResultBuilder]: At program point L713(lines 713 719) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse2))) [2021-08-26 08:43:40,776 INFO L853 garLoopResultBuilder]: At program point L713-1(lines 713 719) the Hoare annotation is: false [2021-08-26 08:43:40,776 INFO L853 garLoopResultBuilder]: At program point L713-2(lines 713 719) the Hoare annotation is: false [2021-08-26 08:43:40,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,776 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 591) no Hoare annotation was computed. [2021-08-26 08:43:40,776 INFO L860 garLoopResultBuilder]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 962) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L883(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,777 INFO L857 garLoopResultBuilder]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L685-3(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L685-5(lines 685 691) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,778 INFO L857 garLoopResultBuilder]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point L920(lines 919 966) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-08-26 08:43:40,779 INFO L853 garLoopResultBuilder]: At program point L690(lines 681 694) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:40,779 INFO L853 garLoopResultBuilder]: At program point L690-1(lines 681 694) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L690-2(lines 681 694) the Hoare annotation is: false [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L690-3(lines 681 694) the Hoare annotation is: false [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L690-4(lines 681 694) the Hoare annotation is: false [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L690-5(lines 681 694) the Hoare annotation is: false [2021-08-26 08:43:40,780 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 961) no Hoare annotation was computed. [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L955-1(lines 706 712) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-26 08:43:40,780 INFO L853 garLoopResultBuilder]: At program point L889(lines 874 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 874 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L559(lines 555 561) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,781 INFO L860 garLoopResultBuilder]: At program point L593(lines 574 596) the Hoare annotation is: true [2021-08-26 08:43:40,781 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:40,781 INFO L853 garLoopResultBuilder]: At program point L825(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-1(lines 818 828) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:40,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-2(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-3(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-4(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-5(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,782 INFO L853 garLoopResultBuilder]: At program point L825-6(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,783 INFO L853 garLoopResultBuilder]: At program point L825-7(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,783 INFO L853 garLoopResultBuilder]: At program point L825-8(lines 818 828) the Hoare annotation is: false [2021-08-26 08:43:40,783 INFO L853 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:43:40,786 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:40,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:40 BoogieIcfgContainer [2021-08-26 08:43:40,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:40,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:40,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:40,813 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:40,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:34" (3/4) ... [2021-08-26 08:43:40,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:40,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:40,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:40,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:40,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:40,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:40,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:40,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:40,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-26 08:43:40,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-26 08:43:40,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-26 08:43:40,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-26 08:43:40,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:40,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:40,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-08-26 08:43:40,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:40,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:40,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:40,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-26 08:43:40,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:40,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:40,890 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:40,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:40,894 INFO L168 Benchmark]: Toolchain (without parser) took 7461.54 ms. Allocated memory was 71.3 MB in the beginning and 199.2 MB in the end (delta: 127.9 MB). Free memory was 44.7 MB in the beginning and 139.9 MB in the end (delta: -95.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,894 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:40,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.71 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 44.9 MB in the end (delta: -410.8 kB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.72 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 40.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,895 INFO L168 Benchmark]: Boogie Preprocessor took 42.57 ms. Allocated memory is still 71.3 MB. Free memory was 40.8 MB in the beginning and 37.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,895 INFO L168 Benchmark]: RCFGBuilder took 879.58 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 44.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,896 INFO L168 Benchmark]: TraceAbstraction took 5996.02 ms. Allocated memory was 88.1 MB in the beginning and 199.2 MB in the end (delta: 111.1 MB). Free memory was 43.5 MB in the beginning and 152.6 MB in the end (delta: -109.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,896 INFO L168 Benchmark]: Witness Printer took 80.04 ms. Allocated memory is still 199.2 MB. Free memory was 152.6 MB in the beginning and 139.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:40,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.71 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 44.9 MB in the end (delta: -410.8 kB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.72 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 40.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.57 ms. Allocated memory is still 71.3 MB. Free memory was 40.8 MB in the beginning and 37.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 879.58 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 44.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5996.02 ms. Allocated memory was 88.1 MB in the beginning and 199.2 MB in the end (delta: 111.1 MB). Free memory was 43.5 MB in the beginning and 152.6 MB in the end (delta: -109.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 16.1 GB. * Witness Printer took 80.04 ms. Allocated memory is still 199.2 MB. Free memory was 152.6 MB in the beginning and 139.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5922.3ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 22.6ms, AutomataDifference: 1100.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3598.1ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1414 SDtfs, 1636 SDslu, 2382 SDs, 0 SdLazy, 359 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 400.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 291.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 201.8ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1688 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 241 NumberOfFragments, 821 HoareAnnotationTreeSize, 57 FomulaSimplifications, 451090 FormulaSimplificationTreeSizeReduction, 856.0ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 71107 FormulaSimplificationTreeSizeReductionInter, 2726.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 41.2ms SsaConstructionTime, 241.0ms SatisfiabilityAnalysisTime, 506.2ms InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 27/27 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: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:40,963 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...