./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:42,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:42,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:42,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:42,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:42,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:42,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:42,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:42,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:42,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:42,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:42,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:42,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:42,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:42,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:42,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:42,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:42,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:42,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:42,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:42,744 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:42,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:42,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:42,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:42,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:42,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:42,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:42,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:42,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:42,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:42,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:42,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:42,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:42,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:42,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:42,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:42,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:42,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:42,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:42,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:42,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:42,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:42,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:42,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:42,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:42,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:42,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:42,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:42,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:42,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:42,787 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:42,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:42,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:42,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:42,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:42,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:42,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:42,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:42,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:42,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:42,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:42,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:42,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:42,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:42,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:42,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2022-07-22 17:39:42,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:39:42,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:39:42,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:39:42,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:39:42,996 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:39:42,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2022-07-22 17:39:43,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f09c1f4/b9f58ff358b148e9a53221f4cff7de24/FLAGd8c0144be [2022-07-22 17:39:43,415 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:39:43,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2022-07-22 17:39:43,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f09c1f4/b9f58ff358b148e9a53221f4cff7de24/FLAGd8c0144be [2022-07-22 17:39:43,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f09c1f4/b9f58ff358b148e9a53221f4cff7de24 [2022-07-22 17:39:43,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:39:43,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:39:43,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:43,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:39:43,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:39:43,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:43" (1/1) ... [2022-07-22 17:39:43,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f27666c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:43, skipping insertion in model container [2022-07-22 17:39:43,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:43" (1/1) ... [2022-07-22 17:39:43,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:39:43,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:39:44,068 WARN L230 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_spec5_product33.cil.c[16170,16183] [2022-07-22 17:39:44,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:44,080 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:39:44,119 WARN L230 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_spec5_product33.cil.c[16170,16183] [2022-07-22 17:39:44,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:44,133 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:39:44,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44 WrapperNode [2022-07-22 17:39:44,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:44,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:44,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:39:44,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:39:44,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,201 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 228 [2022-07-22 17:39:44,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:44,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:39:44,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:39:44,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:39:44,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:39:44,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:39:44,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:39:44,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:39:44,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (1/1) ... [2022-07-22 17:39:44,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:44,280 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) [2022-07-22 17:39:44,290 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 [2022-07-22 17:39:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:39:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:39:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:39:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:39:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:39:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:39:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:39:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:39:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:39:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:39:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:39:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:39:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:39:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:39:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:39:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:39:44,393 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:39:44,394 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:39:44,631 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:39:44,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:39:44,638 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:39:44,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:44 BoogieIcfgContainer [2022-07-22 17:39:44,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:39:44,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:39:44,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:39:44,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:39:44,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:43" (1/3) ... [2022-07-22 17:39:44,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8e7fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:44, skipping insertion in model container [2022-07-22 17:39:44,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:44" (2/3) ... [2022-07-22 17:39:44,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8e7fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:44, skipping insertion in model container [2022-07-22 17:39:44,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:44" (3/3) ... [2022-07-22 17:39:44,647 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2022-07-22 17:39:44,656 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:39:44,657 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:39:44,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:39:44,719 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5d10b63, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@13b0237d [2022-07-22 17:39:44,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:39:44,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-22 17:39:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:39:44,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:44,733 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:39:44,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:44,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash 627967517, now seen corresponding path program 1 times [2022-07-22 17:39:44,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:44,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854383627] [2022-07-22 17:39:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:44,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:44,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:39:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:39:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:44,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:44,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854383627] [2022-07-22 17:39:44,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854383627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:44,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:44,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:39:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712605546] [2022-07-22 17:39:44,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:44,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:39:44,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:39:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:39:45,002 INFO L87 Difference]: Start difference. First operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,035 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2022-07-22 17:39:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:39:45,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-22 17:39:45,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,051 INFO L225 Difference]: With dead ends: 151 [2022-07-22 17:39:45,051 INFO L226 Difference]: Without dead ends: 71 [2022-07-22 17:39:45,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:39:45,058 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-22 17:39:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-22 17:39:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.309090909090909) internal successors, (72), 60 states have internal predecessors, (72), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-22 17:39:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-07-22 17:39:45,101 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 32 [2022-07-22 17:39:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,102 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-07-22 17:39:45,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-07-22 17:39:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 17:39:45,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,106 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:39:45,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:39:45,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash 904354069, now seen corresponding path program 1 times [2022-07-22 17:39:45,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796579290] [2022-07-22 17:39:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:39:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:39:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796579290] [2022-07-22 17:39:45,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796579290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:39:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408547912] [2022-07-22 17:39:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:39:45,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:39:45,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,192 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:45,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,206 INFO L93 Difference]: Finished difference Result 107 states and 137 transitions. [2022-07-22 17:39:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:39:45,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-22 17:39:45,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,208 INFO L225 Difference]: With dead ends: 107 [2022-07-22 17:39:45,208 INFO L226 Difference]: Without dead ends: 62 [2022-07-22 17:39:45,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,209 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-07-22 17:39:45,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-07-22 17:39:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 17:39:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-07-22 17:39:45,216 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 33 [2022-07-22 17:39:45,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,217 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-07-22 17:39:45,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-07-22 17:39:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 17:39:45,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,218 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:39:45,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:39:45,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1553895651, now seen corresponding path program 1 times [2022-07-22 17:39:45,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825363370] [2022-07-22 17:39:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:39:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825363370] [2022-07-22 17:39:45,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825363370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:39:45,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686879732] [2022-07-22 17:39:45,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:39:45,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:39:45,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:39:45,297 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,386 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2022-07-22 17:39:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:39:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-07-22 17:39:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,387 INFO L225 Difference]: With dead ends: 116 [2022-07-22 17:39:45,403 INFO L226 Difference]: Without dead ends: 62 [2022-07-22 17:39:45,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:39:45,404 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 107 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 160 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-07-22 17:39:45,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-07-22 17:39:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 17:39:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-07-22 17:39:45,410 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 37 [2022-07-22 17:39:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,412 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-07-22 17:39:45,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-07-22 17:39:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-22 17:39:45,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,415 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 17:39:45,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:39:45,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1104761714, now seen corresponding path program 1 times [2022-07-22 17:39:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522374489] [2022-07-22 17:39:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:39:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 17:39:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522374489] [2022-07-22 17:39:45,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522374489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:39:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136742396] [2022-07-22 17:39:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:39:45,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:39:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,455 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:45,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,495 INFO L93 Difference]: Finished difference Result 159 states and 205 transitions. [2022-07-22 17:39:45,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:39:45,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2022-07-22 17:39:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,497 INFO L225 Difference]: With dead ends: 159 [2022-07-22 17:39:45,497 INFO L226 Difference]: Without dead ends: 105 [2022-07-22 17:39:45,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,498 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 47 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 151 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-07-22 17:39:45,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2022-07-22 17:39:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.3) internal successors, (104), 86 states have internal predecessors, (104), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-22 17:39:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2022-07-22 17:39:45,508 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 42 [2022-07-22 17:39:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,508 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2022-07-22 17:39:45,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2022-07-22 17:39:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-22 17:39:45,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,509 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-07-22 17:39:45,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:39:45,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,510 INFO L85 PathProgramCache]: Analyzing trace with hash 731559770, now seen corresponding path program 1 times [2022-07-22 17:39:45,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768714169] [2022-07-22 17:39:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:39:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768714169] [2022-07-22 17:39:45,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768714169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:39:45,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698135629] [2022-07-22 17:39:45,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:39:45,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:39:45,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:39:45,564 INFO L87 Difference]: Start difference. First operand 103 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,600 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2022-07-22 17:39:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:39:45,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-07-22 17:39:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,602 INFO L225 Difference]: With dead ends: 217 [2022-07-22 17:39:45,602 INFO L226 Difference]: Without dead ends: 122 [2022-07-22 17:39:45,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:39:45,605 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 45 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 369 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-07-22 17:39:45,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2022-07-22 17:39:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 89 states have internal predecessors, (107), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-22 17:39:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2022-07-22 17:39:45,614 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 46 [2022-07-22 17:39:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,614 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2022-07-22 17:39:45,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2022-07-22 17:39:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-22 17:39:45,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,616 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-07-22 17:39:45,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:39:45,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,617 INFO L85 PathProgramCache]: Analyzing trace with hash -856788132, now seen corresponding path program 1 times [2022-07-22 17:39:45,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685633764] [2022-07-22 17:39:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:39:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685633764] [2022-07-22 17:39:45,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685633764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:39:45,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824843823] [2022-07-22 17:39:45,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:39:45,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:39:45,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:39:45,651 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,670 INFO L93 Difference]: Finished difference Result 223 states and 287 transitions. [2022-07-22 17:39:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 17:39:45,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-07-22 17:39:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,672 INFO L225 Difference]: With dead ends: 223 [2022-07-22 17:39:45,672 INFO L226 Difference]: Without dead ends: 125 [2022-07-22 17:39:45,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:39:45,673 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 245 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-07-22 17:39:45,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 108. [2022-07-22 17:39:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 91 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-22 17:39:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2022-07-22 17:39:45,695 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 46 [2022-07-22 17:39:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,696 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2022-07-22 17:39:45,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2022-07-22 17:39:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-22 17:39:45,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,699 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-07-22 17:39:45,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:39:45,699 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1749235422, now seen corresponding path program 1 times [2022-07-22 17:39:45,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785109491] [2022-07-22 17:39:45,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 17:39:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:45,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785109491] [2022-07-22 17:39:45,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785109491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:39:45,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605382492] [2022-07-22 17:39:45,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:39:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:39:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,743 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,760 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2022-07-22 17:39:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:39:45,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2022-07-22 17:39:45,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,765 INFO L225 Difference]: With dead ends: 256 [2022-07-22 17:39:45,765 INFO L226 Difference]: Without dead ends: 156 [2022-07-22 17:39:45,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:45,770 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 151 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-07-22 17:39:45,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2022-07-22 17:39:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 128 states have internal predecessors, (153), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-07-22 17:39:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2022-07-22 17:39:45,801 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 46 [2022-07-22 17:39:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,809 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2022-07-22 17:39:45,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 17:39:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2022-07-22 17:39:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 17:39:45,811 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,811 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-07-22 17:39:45,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:39:45,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2549066, now seen corresponding path program 1 times [2022-07-22 17:39:45,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795862355] [2022-07-22 17:39:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:39:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:39:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:39:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:39:45,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:45,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795862355] [2022-07-22 17:39:45,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795862355] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:45,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:45,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:39:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018540438] [2022-07-22 17:39:45,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:45,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:39:45,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:45,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:39:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:39:45,912 INFO L87 Difference]: Start difference. First operand 154 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:39:45,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:45,968 INFO L93 Difference]: Finished difference Result 307 states and 384 transitions. [2022-07-22 17:39:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:39:45,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-07-22 17:39:45,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:45,972 INFO L225 Difference]: With dead ends: 307 [2022-07-22 17:39:45,972 INFO L226 Difference]: Without dead ends: 161 [2022-07-22 17:39:45,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:39:45,975 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 31 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:45,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 383 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-07-22 17:39:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2022-07-22 17:39:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 126 states have internal predecessors, (147), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-07-22 17:39:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 185 transitions. [2022-07-22 17:39:45,987 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 185 transitions. Word has length 48 [2022-07-22 17:39:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:45,987 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 185 transitions. [2022-07-22 17:39:45,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:39:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2022-07-22 17:39:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-22 17:39:45,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:45,988 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:45,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:39:45,988 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 458290680, now seen corresponding path program 1 times [2022-07-22 17:39:45,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:45,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905139335] [2022-07-22 17:39:45,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:39:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:39:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 17:39:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:46,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:46,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905139335] [2022-07-22 17:39:46,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905139335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:46,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:46,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 17:39:46,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770412811] [2022-07-22 17:39:46,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:46,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 17:39:46,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:46,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 17:39:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:39:46,111 INFO L87 Difference]: Start difference. First operand 152 states and 185 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 17:39:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:46,379 INFO L93 Difference]: Finished difference Result 511 states and 646 transitions. [2022-07-22 17:39:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 17:39:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2022-07-22 17:39:46,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:46,381 INFO L225 Difference]: With dead ends: 511 [2022-07-22 17:39:46,382 INFO L226 Difference]: Without dead ends: 412 [2022-07-22 17:39:46,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:39:46,383 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 211 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:46,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 585 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:39:46,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-07-22 17:39:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 378. [2022-07-22 17:39:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 297 states have (on average 1.2222222222222223) internal successors, (363), 316 states have internal predecessors, (363), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2022-07-22 17:39:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 461 transitions. [2022-07-22 17:39:46,407 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 461 transitions. Word has length 50 [2022-07-22 17:39:46,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:46,407 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 461 transitions. [2022-07-22 17:39:46,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 17:39:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 461 transitions. [2022-07-22 17:39:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 17:39:46,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:46,409 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:46,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:39:46,409 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:46,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash -643370142, now seen corresponding path program 1 times [2022-07-22 17:39:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:46,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101514327] [2022-07-22 17:39:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:46,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:39:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:39:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:39:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 17:39:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 17:39:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:39:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 17:39:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:46,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101514327] [2022-07-22 17:39:46,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101514327] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:39:46,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736969385] [2022-07-22 17:39:46,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:46,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:39:46,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:46,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:39:46,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:39:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:46,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:39:46,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:39:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:39:46,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:39:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 17:39:46,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736969385] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:39:46,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:39:46,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-22 17:39:46,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633942358] [2022-07-22 17:39:46,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:39:46,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 17:39:46,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 17:39:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:39:46,932 INFO L87 Difference]: Start difference. First operand 378 states and 461 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-22 17:39:47,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:47,397 INFO L93 Difference]: Finished difference Result 607 states and 766 transitions. [2022-07-22 17:39:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 17:39:47,398 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 81 [2022-07-22 17:39:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:47,399 INFO L225 Difference]: With dead ends: 607 [2022-07-22 17:39:47,399 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:39:47,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2022-07-22 17:39:47,401 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 274 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:47,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 755 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:39:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:39:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:39:47,402 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) [2022-07-22 17:39:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:39:47,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-07-22 17:39:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:47,403 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:39:47,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-22 17:39:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:39:47,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:39:47,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:39:47,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:39:47,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-22 17:39:47,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:39:49,455 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 525 531) no Hoare annotation was computed. [2022-07-22 17:39:49,456 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 525 531) the Hoare annotation is: true [2022-07-22 17:39:49,456 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 822 833) the Hoare annotation is: true [2022-07-22 17:39:49,456 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 822 833) no Hoare annotation was computed. [2022-07-22 17:39:49,456 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 822 833) no Hoare annotation was computed. [2022-07-22 17:39:49,456 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 689 718) no Hoare annotation was computed. [2022-07-22 17:39:49,456 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2022-07-22 17:39:49,456 INFO L902 garLoopResultBuilder]: At program point L703-1(lines 703 707) the Hoare annotation is: true [2022-07-22 17:39:49,457 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 689 718) the Hoare annotation is: true [2022-07-22 17:39:49,457 INFO L899 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2022-07-22 17:39:49,457 INFO L902 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: true [2022-07-22 17:39:49,457 INFO L902 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: true [2022-07-22 17:39:49,457 INFO L899 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2022-07-22 17:39:49,457 INFO L902 garLoopResultBuilder]: At program point L714(lines 689 718) the Hoare annotation is: true [2022-07-22 17:39:49,457 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2022-07-22 17:39:49,457 INFO L895 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_processEnvironment_~tmp~4#1| 0) .cse4)) (or .cse1 .cse5 (and .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse5 .cse2 .cse3 (and .cse6 .cse4 .cse7)))) [2022-07-22 17:39:49,458 INFO L895 garLoopResultBuilder]: At program point L791(lines 786 793) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2022-07-22 17:39:49,458 INFO L899 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed. [2022-07-22 17:39:49,458 INFO L895 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2022-07-22 17:39:49,458 INFO L895 garLoopResultBuilder]: At program point L552-1(lines 533 557) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not .cse2)) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_processEnvironment_~tmp~4#1| 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse5 .cse6 (and .cse7 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse5 .cse6 .cse9 .cse10 (and .cse7 .cse4 .cse8)) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse5 .cse9 (and .cse7 .cse11) .cse10 (and .cse1 .cse2 .cse3 .cse11)))))) [2022-07-22 17:39:49,458 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 498 524) no Hoare annotation was computed. [2022-07-22 17:39:49,458 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2022-07-22 17:39:49,458 INFO L899 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2022-07-22 17:39:49,459 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2022-07-22 17:39:49,459 INFO L895 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2022-07-22 17:39:49,459 INFO L899 garLoopResultBuilder]: For program point L904-1(line 904) no Hoare annotation was computed. [2022-07-22 17:39:49,459 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse6 (not .cse3)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 1)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse2 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse8 .cse2 .cse5) .cse9)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 .cse4 .cse10) .cse6) (or .cse6 .cse11 (and .cse8 .cse12) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse6 .cse11 .cse7 .cse9 (and .cse8 .cse10 .cse12))))) [2022-07-22 17:39:49,459 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2022-07-22 17:39:49,459 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2022-07-22 17:39:49,459 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2022-07-22 17:39:49,460 INFO L899 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2022-07-22 17:39:49,460 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2022-07-22 17:39:49,460 INFO L895 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse3 (= ~waterLevel~0 1))))) [2022-07-22 17:39:49,460 INFO L895 garLoopResultBuilder]: At program point L917-1(lines 909 937) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse1 (not .cse9)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 1)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse4 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7 (and .cse8 .cse4 .cse9 .cse5 .cse10 .cse6))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse9 .cse10 .cse11) .cse1) (or .cse1 .cse12 (and .cse3 .cse13) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse12 .cse2 .cse7 (and .cse3 .cse11 .cse13))))) [2022-07-22 17:39:49,460 INFO L895 garLoopResultBuilder]: At program point L645(lines 630 648) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_#res#1| 0) (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0) (= ~waterLevel~0 1))) (or .cse2 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse5))) [2022-07-22 17:39:49,460 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2022-07-22 17:39:49,461 INFO L895 garLoopResultBuilder]: At program point L802-2(lines 798 809) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2022-07-22 17:39:49,461 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2022-07-22 17:39:49,461 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 511) no Hoare annotation was computed. [2022-07-22 17:39:49,461 INFO L899 garLoopResultBuilder]: For program point L505-2(lines 501 523) no Hoare annotation was computed. [2022-07-22 17:39:49,461 INFO L899 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2022-07-22 17:39:49,461 INFO L895 garLoopResultBuilder]: At program point L563(lines 558 565) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2022-07-22 17:39:49,461 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 498 524) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2022-07-22 17:39:49,462 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 498 524) no Hoare annotation was computed. [2022-07-22 17:39:49,462 INFO L895 garLoopResultBuilder]: At program point L906(lines 899 908) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse7 (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse4 .cse5 .cse6) (or .cse0 (and .cse2 .cse7) .cse1 .cse4 .cse6) (or .cse1 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:39:49,462 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2022-07-22 17:39:49,462 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) .cse0) (or .cse0 .cse1 .cse6 .cse7) (or .cse2 .cse0 .cse6 .cse7 (and .cse3 .cse4 .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)))))) [2022-07-22 17:39:49,462 INFO L895 garLoopResultBuilder]: At program point L473(lines 430 475) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2022-07-22 17:39:49,462 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-07-22 17:39:49,462 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-07-22 17:39:49,463 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-07-22 17:39:49,463 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:39:49,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:39:49,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:39:49,464 INFO L895 garLoopResultBuilder]: At program point L668(lines 664 670) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:39:49,464 INFO L902 garLoopResultBuilder]: At program point L759(lines 751 761) the Hoare annotation is: true [2022-07-22 17:39:49,464 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-07-22 17:39:49,464 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 460 471) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2022-07-22 17:39:49,464 INFO L895 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-07-22 17:39:49,465 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2022-07-22 17:39:49,465 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2022-07-22 17:39:49,465 INFO L899 garLoopResultBuilder]: For program point L772-2(lines 772 779) no Hoare annotation was computed. [2022-07-22 17:39:49,465 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2022-07-22 17:39:49,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:39:49,466 INFO L895 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-07-22 17:39:49,466 INFO L902 garLoopResultBuilder]: At program point L479(lines 420 483) the Hoare annotation is: true [2022-07-22 17:39:49,466 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2022-07-22 17:39:49,466 INFO L902 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2022-07-22 17:39:49,466 INFO L895 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2022-07-22 17:39:49,466 INFO L899 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2022-07-22 17:39:49,466 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2022-07-22 17:39:49,466 INFO L895 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:39:49,467 INFO L895 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2022-07-22 17:39:49,467 INFO L895 garLoopResultBuilder]: At program point L675(lines 671 677) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:39:49,467 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 810 821) no Hoare annotation was computed. [2022-07-22 17:39:49,467 INFO L899 garLoopResultBuilder]: For program point L814-1(lines 810 821) no Hoare annotation was computed. [2022-07-22 17:39:49,467 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 810 821) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse3 .cse5))) [2022-07-22 17:39:49,467 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 585 593) no Hoare annotation was computed. [2022-07-22 17:39:49,467 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 585 593) the Hoare annotation is: true [2022-07-22 17:39:49,468 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 585 593) no Hoare annotation was computed. [2022-07-22 17:39:49,470 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:49,471 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:39:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:39:49 BoogieIcfgContainer [2022-07-22 17:39:49,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:39:49,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:39:49,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:39:49,506 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:39:49,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:44" (3/4) ... [2022-07-22 17:39:49,509 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:39:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:39:49,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-07-22 17:39:49,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:39:49,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:39:49,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:39:49,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:39:49,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:49,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:49,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:39:49,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-22 17:39:49,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-22 17:39:49,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && tmp == systemActive) || (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2022-07-22 17:39:49,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:39:49,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-07-22 17:39:49,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 2) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-07-22 17:39:49,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) [2022-07-22 17:39:49,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-07-22 17:39:49,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-07-22 17:39:49,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) [2022-07-22 17:39:49,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-07-22 17:39:49,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-07-22 17:39:49,566 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:39:49,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:39:49,567 INFO L158 Benchmark]: Toolchain (without parser) took 5766.09ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 81.4MB in the beginning and 42.7MB in the end (delta: 38.7MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,568 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:39:49,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.14ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 76.3MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,568 INFO L158 Benchmark]: Boogie Preprocessor took 39.51ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,569 INFO L158 Benchmark]: RCFGBuilder took 396.82ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 57.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,569 INFO L158 Benchmark]: TraceAbstraction took 4864.36ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 56.5MB in the beginning and 47.9MB in the end (delta: 8.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,570 INFO L158 Benchmark]: Witness Printer took 60.73ms. Allocated memory is still 132.1MB. Free memory was 47.9MB in the beginning and 42.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:39:49,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.14ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 76.3MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.51ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.82ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 57.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4864.36ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 56.5MB in the beginning and 47.9MB in the end (delta: 8.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 60.73ms. Allocated memory is still 132.1MB. Free memory was 47.9MB in the beginning and 42.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 790]: 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 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 817 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 801 mSDsluCounter, 3039 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2051 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 806 IncrementalHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 988 mSDtfsCounter, 806 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 234 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=9, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 80 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 610 PreInvPairs, 709 NumberOfFragments, 1749 HoareAnnotationTreeSize, 610 FomulaSimplifications, 590 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 3187 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326 SizeOfPredicates, 3 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 94/114 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 1 specifications checked. All of them hold - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && tmp == systemActive) || (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 2) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:39:49,621 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE