./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product54.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_spec3_product54.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 cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:38:34,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:38:34,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:38:34,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:38:34,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:38:34,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:38:34,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:38:34,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:38:34,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:38:34,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:38:34,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:38:34,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:38:34,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:38:34,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:38:34,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:38:34,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:38:34,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:38:34,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:38:34,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:38:34,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:38:34,774 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:38:34,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:38:34,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:38:34,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:38:34,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:38:34,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:38:34,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:38:34,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:38:34,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:38:34,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:38:34,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:38:34,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:38:34,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:38:34,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:38:34,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:38:34,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:38:34,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:38:34,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:38:34,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:38:34,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:38:34,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:38:34,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:38:34,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:38:34,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:38:34,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:38:34,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:38:34,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:38:34,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:38:34,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:38:34,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:38:34,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:38:34,821 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:38:34,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:38:34,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:38:34,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:38:34,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:38:34,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:38:34,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:38:34,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:38:34,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:38:34,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:38:34,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:38:34,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:38:34,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:38:34,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:38:34,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:38:34,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:38:34,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:38:34,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:38:34,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:38:34,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:38:34,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:38:34,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:38:34,825 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:38:34,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:38:34,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:38:34,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb [2022-07-22 17:38:35,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:38:35,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:38:35,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:38:35,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:38:35,099 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:38:35,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2022-07-22 17:38:35,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff0c8292/10514681845d4658a0ca36a7aac5ae11/FLAGe30a8cda9 [2022-07-22 17:38:35,555 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:38:35,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2022-07-22 17:38:35,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff0c8292/10514681845d4658a0ca36a7aac5ae11/FLAGe30a8cda9 [2022-07-22 17:38:35,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff0c8292/10514681845d4658a0ca36a7aac5ae11 [2022-07-22 17:38:35,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:38:35,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:38:35,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:38:35,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:38:35,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:38:35,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:38:35" (1/1) ... [2022-07-22 17:38:35,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdf4f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:35, skipping insertion in model container [2022-07-22 17:38:35,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:38:35" (1/1) ... [2022-07-22 17:38:35,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:38:35,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:38:35,804 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_spec3_product54.cil.c[4478,4491] [2022-07-22 17:38:35,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:38:35,935 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:38:35,970 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_spec3_product54.cil.c[4478,4491] [2022-07-22 17:38:36,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:38:36,045 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:38:36,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36 WrapperNode [2022-07-22 17:38:36,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:38:36,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:38:36,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:38:36,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:38:36,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,105 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 284 [2022-07-22 17:38:36,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:38:36,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:38:36,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:38:36,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:38:36,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:38:36,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:38:36,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:38:36,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:38:36,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (1/1) ... [2022-07-22 17:38:36,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:38:36,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:38:36,181 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 17:38:36,183 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 17:38:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:38:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:38:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:38:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:38:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:38:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:38:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:38:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:38:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:38:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:38:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:38:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:38:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:38:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:38:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:38:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:38:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:38:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:38:36,280 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:38:36,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:38:36,610 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:38:36,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:38:36,617 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:38:36,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:36 BoogieIcfgContainer [2022-07-22 17:38:36,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:38:36,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:38:36,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:38:36,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:38:36,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:38:35" (1/3) ... [2022-07-22 17:38:36,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4705facb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:38:36, skipping insertion in model container [2022-07-22 17:38:36,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:36" (2/3) ... [2022-07-22 17:38:36,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4705facb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:38:36, skipping insertion in model container [2022-07-22 17:38:36,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:36" (3/3) ... [2022-07-22 17:38:36,631 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2022-07-22 17:38:36,647 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:38:36,648 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:38:36,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:38:36,716 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@168d060e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1827cbcd [2022-07-22 17:38:36,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:38:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-22 17:38:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:38:36,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:36,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:36,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:36,752 INFO L85 PathProgramCache]: Analyzing trace with hash 149329663, now seen corresponding path program 1 times [2022-07-22 17:38:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:36,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754211802] [2022-07-22 17:38:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:38:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:37,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:37,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754211802] [2022-07-22 17:38:37,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754211802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:37,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:37,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:38:37,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108791211] [2022-07-22 17:38:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:37,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:38:37,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:37,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:38:37,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:38:37,093 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:37,143 INFO L93 Difference]: Finished difference Result 198 states and 269 transitions. [2022-07-22 17:38:37,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:38:37,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:38:37,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:37,153 INFO L225 Difference]: With dead ends: 198 [2022-07-22 17:38:37,153 INFO L226 Difference]: Without dead ends: 94 [2022-07-22 17:38:37,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 17:38:37,160 INFO L413 NwaCegarLoop]: 131 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, 131 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 17:38:37,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:37,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-07-22 17:38:37,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-07-22 17:38:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:38:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2022-07-22 17:38:37,215 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 25 [2022-07-22 17:38:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:37,216 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-07-22 17:38:37,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2022-07-22 17:38:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:38:37,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:37,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:37,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:38:37,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:37,224 INFO L85 PathProgramCache]: Analyzing trace with hash 67554452, now seen corresponding path program 1 times [2022-07-22 17:38:37,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:37,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221955616] [2022-07-22 17:38:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:37,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:38:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:37,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:37,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221955616] [2022-07-22 17:38:37,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221955616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:37,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:37,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:38:37,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38102253] [2022-07-22 17:38:37,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:37,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:38:37,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:37,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:38:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:38:37,340 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:37,367 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2022-07-22 17:38:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:38:37,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:38:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:37,369 INFO L225 Difference]: With dead ends: 153 [2022-07-22 17:38:37,369 INFO L226 Difference]: Without dead ends: 85 [2022-07-22 17:38:37,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:38:37,371 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 13 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 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 17:38:37,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:37,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-22 17:38:37,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-22 17:38:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:38:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-07-22 17:38:37,394 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 26 [2022-07-22 17:38:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:37,395 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-07-22 17:38:37,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-07-22 17:38:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:38:37,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:37,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:37,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:38:37,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:37,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:37,403 INFO L85 PathProgramCache]: Analyzing trace with hash -6965766, now seen corresponding path program 1 times [2022-07-22 17:38:37,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:37,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882389238] [2022-07-22 17:38:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:37,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:37,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:37,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882389238] [2022-07-22 17:38:37,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882389238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:37,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:37,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:38:37,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509122422] [2022-07-22 17:38:37,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:37,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:38:37,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:37,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:38:37,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:38:37,498 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:37,533 INFO L93 Difference]: Finished difference Result 163 states and 214 transitions. [2022-07-22 17:38:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:38:37,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-22 17:38:37,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:37,538 INFO L225 Difference]: With dead ends: 163 [2022-07-22 17:38:37,538 INFO L226 Difference]: Without dead ends: 85 [2022-07-22 17:38:37,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:38:37,540 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 104 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:37,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-22 17:38:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-22 17:38:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:38:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-07-22 17:38:37,549 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 31 [2022-07-22 17:38:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:37,549 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-07-22 17:38:37,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-07-22 17:38:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-22 17:38:37,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:37,551 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] [2022-07-22 17:38:37,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:38:37,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:37,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:37,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1330354743, now seen corresponding path program 1 times [2022-07-22 17:38:37,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:37,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80423533] [2022-07-22 17:38:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:38:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:38:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,629 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 17:38:37,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:37,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80423533] [2022-07-22 17:38:37,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80423533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:37,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:37,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:38:37,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618948458] [2022-07-22 17:38:37,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:37,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:38:37,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:37,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:38:37,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:38:37,632 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:38:37,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:37,815 INFO L93 Difference]: Finished difference Result 246 states and 320 transitions. [2022-07-22 17:38:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:38:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-07-22 17:38:37,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:37,818 INFO L225 Difference]: With dead ends: 246 [2022-07-22 17:38:37,819 INFO L226 Difference]: Without dead ends: 168 [2022-07-22 17:38:37,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 17:38:37,827 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 154 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 238 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:37,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-07-22 17:38:37,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2022-07-22 17:38:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:38:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2022-07-22 17:38:37,850 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 44 [2022-07-22 17:38:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:37,851 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2022-07-22 17:38:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:38:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2022-07-22 17:38:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-22 17:38:37,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:37,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:37,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:38:37,853 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:37,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1858639799, now seen corresponding path program 1 times [2022-07-22 17:38:37,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:37,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223538097] [2022-07-22 17:38:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:38:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:37,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:37,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223538097] [2022-07-22 17:38:37,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223538097] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:37,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:37,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:37,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633502661] [2022-07-22 17:38:37,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:37,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:37,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:37,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:37,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:37,959 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:38:38,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:38,117 INFO L93 Difference]: Finished difference Result 325 states and 421 transitions. [2022-07-22 17:38:38,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:38,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-07-22 17:38:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:38,120 INFO L225 Difference]: With dead ends: 325 [2022-07-22 17:38:38,120 INFO L226 Difference]: Without dead ends: 170 [2022-07-22 17:38:38,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:38,122 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 71 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:38,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 442 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:38,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-22 17:38:38,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2022-07-22 17:38:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 125 states have (on average 1.28) internal successors, (160), 133 states have internal predecessors, (160), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:38:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 209 transitions. [2022-07-22 17:38:38,136 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 209 transitions. Word has length 50 [2022-07-22 17:38:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:38,137 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 209 transitions. [2022-07-22 17:38:38,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:38:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 209 transitions. [2022-07-22 17:38:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-22 17:38:38,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:38,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:38,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:38:38,139 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:38,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2077494517, now seen corresponding path program 1 times [2022-07-22 17:38:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:38,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130879063] [2022-07-22 17:38:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:38:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:38,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:38,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130879063] [2022-07-22 17:38:38,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130879063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:38,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:38,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:38,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307380592] [2022-07-22 17:38:38,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:38,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:38,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:38,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:38,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:38,224 INFO L87 Difference]: Start difference. First operand 165 states and 209 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:38:38,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:38,389 INFO L93 Difference]: Finished difference Result 336 states and 440 transitions. [2022-07-22 17:38:38,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:38,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-07-22 17:38:38,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:38,391 INFO L225 Difference]: With dead ends: 336 [2022-07-22 17:38:38,392 INFO L226 Difference]: Without dead ends: 178 [2022-07-22 17:38:38,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:38,393 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 178 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:38,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 331 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:38,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-07-22 17:38:38,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 167. [2022-07-22 17:38:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 127 states have (on average 1.2755905511811023) internal successors, (162), 135 states have internal predecessors, (162), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:38:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 211 transitions. [2022-07-22 17:38:38,421 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 211 transitions. Word has length 50 [2022-07-22 17:38:38,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:38,421 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 211 transitions. [2022-07-22 17:38:38,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:38:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2022-07-22 17:38:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-22 17:38:38,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:38,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:38,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:38:38,423 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:38,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:38,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1943481011, now seen corresponding path program 1 times [2022-07-22 17:38:38,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:38,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982939376] [2022-07-22 17:38:38,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:38:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:38,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:38,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982939376] [2022-07-22 17:38:38,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982939376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:38,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:38,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:38:38,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870906139] [2022-07-22 17:38:38,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:38,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:38:38,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:38,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:38:38,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:38:38,491 INFO L87 Difference]: Start difference. First operand 167 states and 211 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 17:38:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:38,740 INFO L93 Difference]: Finished difference Result 467 states and 611 transitions. [2022-07-22 17:38:38,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:38,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 17:38:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:38,745 INFO L225 Difference]: With dead ends: 467 [2022-07-22 17:38:38,745 INFO L226 Difference]: Without dead ends: 307 [2022-07-22 17:38:38,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:38:38,749 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 226 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:38,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 357 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:38,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-07-22 17:38:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2022-07-22 17:38:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 226 states have (on average 1.252212389380531) internal successors, (283), 238 states have internal predecessors, (283), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-07-22 17:38:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 381 transitions. [2022-07-22 17:38:38,789 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 381 transitions. Word has length 50 [2022-07-22 17:38:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:38,791 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 381 transitions. [2022-07-22 17:38:38,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 17:38:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2022-07-22 17:38:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:38:38,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:38,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:38,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:38:38,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:38,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:38,796 INFO L85 PathProgramCache]: Analyzing trace with hash -432802525, now seen corresponding path program 1 times [2022-07-22 17:38:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568538432] [2022-07-22 17:38:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 17:38:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:38,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:38,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568538432] [2022-07-22 17:38:38,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568538432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:38,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:38,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:38,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890422226] [2022-07-22 17:38:38,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:38,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:38,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:38,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:38,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:38,876 INFO L87 Difference]: Start difference. First operand 299 states and 381 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:39,058 INFO L93 Difference]: Finished difference Result 594 states and 757 transitions. [2022-07-22 17:38:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:39,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-07-22 17:38:39,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:39,064 INFO L225 Difference]: With dead ends: 594 [2022-07-22 17:38:39,064 INFO L226 Difference]: Without dead ends: 302 [2022-07-22 17:38:39,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:38:39,066 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 126 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:39,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 402 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:39,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-07-22 17:38:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2022-07-22 17:38:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 224 states have (on average 1.2455357142857142) internal successors, (279), 236 states have internal predecessors, (279), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-07-22 17:38:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 377 transitions. [2022-07-22 17:38:39,096 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 377 transitions. Word has length 52 [2022-07-22 17:38:39,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:39,098 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 377 transitions. [2022-07-22 17:38:39,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 377 transitions. [2022-07-22 17:38:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 17:38:39,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:39,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:39,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:38:39,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1117904615, now seen corresponding path program 1 times [2022-07-22 17:38:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:39,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774681898] [2022-07-22 17:38:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:38:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:38:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:39,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:39,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774681898] [2022-07-22 17:38:39,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774681898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:39,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:39,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:38:39,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414916768] [2022-07-22 17:38:39,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:39,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:38:39,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:39,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:38:39,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:38:39,187 INFO L87 Difference]: Start difference. First operand 297 states and 377 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:39,525 INFO L93 Difference]: Finished difference Result 583 states and 752 transitions. [2022-07-22 17:38:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 17:38:39,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-07-22 17:38:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:39,529 INFO L225 Difference]: With dead ends: 583 [2022-07-22 17:38:39,529 INFO L226 Difference]: Without dead ends: 345 [2022-07-22 17:38:39,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:38:39,532 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 235 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:39,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 522 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:39,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-07-22 17:38:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 332. [2022-07-22 17:38:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 251 states have (on average 1.2151394422310757) internal successors, (305), 266 states have internal predecessors, (305), 41 states have call successors, (41), 33 states have call predecessors, (41), 39 states have return successors, (58), 42 states have call predecessors, (58), 41 states have call successors, (58) [2022-07-22 17:38:39,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 404 transitions. [2022-07-22 17:38:39,554 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 404 transitions. Word has length 54 [2022-07-22 17:38:39,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:39,555 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 404 transitions. [2022-07-22 17:38:39,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:39,555 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 404 transitions. [2022-07-22 17:38:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-22 17:38:39,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:39,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:39,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:38:39,557 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash -309751737, now seen corresponding path program 1 times [2022-07-22 17:38:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:39,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562833722] [2022-07-22 17:38:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:38:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 17:38:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:39,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:39,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562833722] [2022-07-22 17:38:39,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562833722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:39,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:39,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070815045] [2022-07-22 17:38:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:39,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:39,622 INFO L87 Difference]: Start difference. First operand 332 states and 404 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:38:39,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:39,809 INFO L93 Difference]: Finished difference Result 604 states and 746 transitions. [2022-07-22 17:38:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:38:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-07-22 17:38:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:39,814 INFO L225 Difference]: With dead ends: 604 [2022-07-22 17:38:39,814 INFO L226 Difference]: Without dead ends: 333 [2022-07-22 17:38:39,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:39,816 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 157 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:39,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 304 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:39,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-07-22 17:38:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 329. [2022-07-22 17:38:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 263 states have internal predecessors, (301), 41 states have call successors, (41), 33 states have call predecessors, (41), 39 states have return successors, (58), 42 states have call predecessors, (58), 41 states have call successors, (58) [2022-07-22 17:38:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 400 transitions. [2022-07-22 17:38:39,835 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 400 transitions. Word has length 56 [2022-07-22 17:38:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:39,836 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 400 transitions. [2022-07-22 17:38:39,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:38:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 400 transitions. [2022-07-22 17:38:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-22 17:38:39,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:39,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:39,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:38:39,837 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash -443765243, now seen corresponding path program 1 times [2022-07-22 17:38:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:39,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790882201] [2022-07-22 17:38:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:38:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 17:38:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:39,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:39,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790882201] [2022-07-22 17:38:39,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790882201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:39,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:39,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:38:39,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580198136] [2022-07-22 17:38:39,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:39,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:38:39,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:39,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:38:39,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:38:39,932 INFO L87 Difference]: Start difference. First operand 329 states and 400 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:38:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:40,172 INFO L93 Difference]: Finished difference Result 573 states and 705 transitions. [2022-07-22 17:38:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:38:40,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-07-22 17:38:40,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:40,175 INFO L225 Difference]: With dead ends: 573 [2022-07-22 17:38:40,175 INFO L226 Difference]: Without dead ends: 305 [2022-07-22 17:38:40,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:38:40,177 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 147 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:40,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 374 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:40,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-07-22 17:38:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-07-22 17:38:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 242 states have internal predecessors, (276), 38 states have call successors, (38), 30 states have call predecessors, (38), 34 states have return successors, (49), 37 states have call predecessors, (49), 38 states have call successors, (49) [2022-07-22 17:38:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 363 transitions. [2022-07-22 17:38:40,196 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 363 transitions. Word has length 56 [2022-07-22 17:38:40,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:40,197 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 363 transitions. [2022-07-22 17:38:40,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:38:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 363 transitions. [2022-07-22 17:38:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 17:38:40,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:40,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:40,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 17:38:40,199 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:40,199 INFO L85 PathProgramCache]: Analyzing trace with hash 872263225, now seen corresponding path program 1 times [2022-07-22 17:38:40,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:40,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772719192] [2022-07-22 17:38:40,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:40,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:38:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:38:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:38:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 17:38:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 17:38:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:38:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-22 17:38:40,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:40,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772719192] [2022-07-22 17:38:40,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772719192] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:38:40,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142484832] [2022-07-22 17:38:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:40,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:38:40,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:38:40,291 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 17:38:40,321 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 17:38:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:40,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 17:38:40,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:38:40,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-22 17:38:40,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:38:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 17:38:40,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142484832] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:38:40,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:38:40,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-07-22 17:38:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439533874] [2022-07-22 17:38:40,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:38:40,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-22 17:38:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-22 17:38:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-07-22 17:38:40,944 INFO L87 Difference]: Start difference. First operand 301 states and 363 transitions. Second operand has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-07-22 17:38:42,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:42,624 INFO L93 Difference]: Finished difference Result 913 states and 1175 transitions. [2022-07-22 17:38:42,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-22 17:38:42,625 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 91 [2022-07-22 17:38:42,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:42,626 INFO L225 Difference]: With dead ends: 913 [2022-07-22 17:38:42,626 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:38:42,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2022-07-22 17:38:42,630 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 991 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:42,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 802 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 17:38:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:38:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:38:42,632 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 17:38:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:38:42,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-07-22 17:38:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:42,632 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:38:42,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-07-22 17:38:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:38:42,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:38:42,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:38:42,664 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 17:38:42,860 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,SelfDestructingSolverStorable11 [2022-07-22 17:38:42,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:38:47,055 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 898 905) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 898 905) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 898 905) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2022-07-22 17:38:47,056 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not .cse2)) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse3 .cse6 .cse7 .cse5 .cse4) (or .cse1 .cse3 .cse6 .cse7 .cse4)))) [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-07-22 17:38:47,056 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,056 INFO L895 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,056 INFO L899 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2022-07-22 17:38:47,057 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2022-07-22 17:38:47,057 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2022-07-22 17:38:47,057 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-07-22 17:38:47,057 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2022-07-22 17:38:47,057 INFO L895 garLoopResultBuilder]: At program point L288-1(lines 273 305) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|)) (.cse13 (= 1 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse5 (<= 2 ~waterLevel~0) .cse13 .cse7 .cse12)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse1 (not .cse13)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse0 .cse8 .cse1 .cse2 .cse9 .cse3) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse10 (and .cse5 .cse6 .cse11 .cse12) .cse3 (and .cse4 .cse5 .cse6 .cse11))) (or .cse8 .cse1 .cse9 .cse10 .cse3)))) [2022-07-22 17:38:47,057 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse0 .cse6) (not (= |old(~pumpRunning~0)| 0)) .cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse2) .cse5)))) [2022-07-22 17:38:47,063 INFO L899 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2022-07-22 17:38:47,063 INFO L899 garLoopResultBuilder]: For program point L280-1(line 280) no Hoare annotation was computed. [2022-07-22 17:38:47,064 INFO L895 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,064 INFO L895 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,064 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,064 INFO L895 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2022-07-22 17:38:47,064 INFO L895 garLoopResultBuilder]: At program point L884-1(lines 865 889) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse0 .cse6) (not (= |old(~pumpRunning~0)| 0)) .cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse2) .cse5)))) [2022-07-22 17:38:47,065 INFO L895 garLoopResultBuilder]: At program point L913(lines 906 916) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:47,065 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2022-07-22 17:38:47,065 INFO L895 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|)) (.cse10 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse6 .cse10 .cse7 .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (= ~pumpRunning~0 1)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse4 .cse2 (and .cse6 .cse7 .cse8) .cse3) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and .cse9 .cse6 .cse10 .cse11 .cse12) .cse5 (and .cse6 .cse10 .cse11 .cse12 .cse8) .cse3))))) [2022-07-22 17:38:47,066 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 302) no Hoare annotation was computed. [2022-07-22 17:38:47,066 INFO L895 garLoopResultBuilder]: At program point L922(lines 917 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse2 (and (= |timeShift_isPumpRunning_#res#1| 1) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))))) [2022-07-22 17:38:47,066 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 781 804) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (and .cse0 (= ~pumpRunning~0 1))))) [2022-07-22 17:38:47,066 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2022-07-22 17:38:47,066 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 881) no Hoare annotation was computed. [2022-07-22 17:38:47,067 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2022-07-22 17:38:47,067 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 886) no Hoare annotation was computed. [2022-07-22 17:38:47,067 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 163 192) no Hoare annotation was computed. [2022-07-22 17:38:47,067 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 163 192) the Hoare annotation is: true [2022-07-22 17:38:47,067 INFO L902 garLoopResultBuilder]: At program point L188(lines 163 192) the Hoare annotation is: true [2022-07-22 17:38:47,067 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-22 17:38:47,068 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2022-07-22 17:38:47,068 INFO L902 garLoopResultBuilder]: At program point L177-1(lines 177 181) the Hoare annotation is: true [2022-07-22 17:38:47,068 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2022-07-22 17:38:47,068 INFO L902 garLoopResultBuilder]: At program point L173-2(lines 173 187) the Hoare annotation is: true [2022-07-22 17:38:47,068 INFO L902 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: true [2022-07-22 17:38:47,068 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2022-07-22 17:38:47,068 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-07-22 17:38:47,069 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-07-22 17:38:47,069 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-07-22 17:38:47,069 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2022-07-22 17:38:47,069 INFO L899 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2022-07-22 17:38:47,069 INFO L895 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:47,070 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-07-22 17:38:47,070 INFO L895 garLoopResultBuilder]: At program point L329(lines 325 331) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:47,070 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:38:47,070 INFO L895 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2022-07-22 17:38:47,070 INFO L895 garLoopResultBuilder]: At program point L222(lines 218 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:47,070 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:38:47,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:38:47,072 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-07-22 17:38:47,072 INFO L895 garLoopResultBuilder]: At program point L322(lines 318 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:47,072 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2022-07-22 17:38:47,072 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:38:47,072 INFO L895 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-22 17:38:47,072 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-22 17:38:47,073 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 256) no Hoare annotation was computed. [2022-07-22 17:38:47,073 INFO L899 garLoopResultBuilder]: For program point L249-2(lines 249 256) no Hoare annotation was computed. [2022-07-22 17:38:47,073 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-07-22 17:38:47,073 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-22 17:38:47,073 INFO L899 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2022-07-22 17:38:47,073 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2022-07-22 17:38:47,073 INFO L895 garLoopResultBuilder]: At program point L1005(lines 1000 1007) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-22 17:38:47,073 INFO L902 garLoopResultBuilder]: At program point L233(lines 226 235) the Hoare annotation is: true [2022-07-22 17:38:47,073 INFO L895 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-22 17:38:47,073 INFO L902 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2022-07-22 17:38:47,074 INFO L902 garLoopResultBuilder]: At program point L258(lines 239 261) the Hoare annotation is: true [2022-07-22 17:38:47,074 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 813 837) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,074 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,074 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2022-07-22 17:38:47,074 INFO L895 garLoopResultBuilder]: At program point L977(lines 962 980) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) .cse3) (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse4) (or .cse0 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse3)) .cse1 .cse4))) [2022-07-22 17:38:47,074 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-07-22 17:38:47,074 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 975) no Hoare annotation was computed. [2022-07-22 17:38:47,074 INFO L899 garLoopResultBuilder]: For program point L971-2(lines 971 975) no Hoare annotation was computed. [2022-07-22 17:38:47,074 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 2 ~waterLevel~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~6#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0) (= ~pumpRunning~0 1)) (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,074 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2022-07-22 17:38:47,074 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,075 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2022-07-22 17:38:47,075 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse1 .cse3 (not .cse2)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse3)))) [2022-07-22 17:38:47,075 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2022-07-22 17:38:47,075 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-07-22 17:38:47,075 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-07-22 17:38:47,075 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-22 17:38:47,076 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 839 863) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,076 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,076 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,076 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2022-07-22 17:38:47,076 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-07-22 17:38:47,077 INFO L895 garLoopResultBuilder]: At program point L996(lines 981 999) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,077 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 994) no Hoare annotation was computed. [2022-07-22 17:38:47,077 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 839 863) no Hoare annotation was computed. [2022-07-22 17:38:47,077 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,077 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 994) no Hoare annotation was computed. [2022-07-22 17:38:47,077 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:47,078 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 839 863) no Hoare annotation was computed. [2022-07-22 17:38:47,080 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:47,082 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:38:47,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:38:47 BoogieIcfgContainer [2022-07-22 17:38:47,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:38:47,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:38:47,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:38:47,116 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:38:47,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:36" (3/4) ... [2022-07-22 17:38:47,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:38:47,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:38:47,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:38:47,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:38:47,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-07-22 17:38:47,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:38:47,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:38:47,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:38:47,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:38:47,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:47,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:47,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(pumpRunning) == 1)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-22 17:38:47,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-07-22 17:38:47,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-22 17:38:47,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((((\result == 1 && methaneLevelCritical == tmp) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-07-22 17:38:47,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-07-22 17:38:47,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:47,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && 1 <= tmp) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) [2022-07-22 17:38:47,195 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:38:47,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:38:47,196 INFO L158 Benchmark]: Toolchain (without parser) took 11617.14ms. Allocated memory was 88.1MB in the beginning and 180.4MB in the end (delta: 92.3MB). Free memory was 48.6MB in the beginning and 69.3MB in the end (delta: -20.7MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,196 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:38:47,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.20ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 48.3MB in the beginning and 87.1MB in the end (delta: -38.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.70ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,197 INFO L158 Benchmark]: Boogie Preprocessor took 35.94ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 82.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,197 INFO L158 Benchmark]: RCFGBuilder took 465.63ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 64.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,197 INFO L158 Benchmark]: TraceAbstraction took 10491.42ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 64.0MB in the beginning and 75.6MB in the end (delta: -11.6MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,198 INFO L158 Benchmark]: Witness Printer took 79.37ms. Allocated memory is still 180.4MB. Free memory was 75.6MB in the beginning and 69.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:38:47,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.20ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 48.3MB in the beginning and 87.1MB in the end (delta: -38.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.70ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.94ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 82.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.63ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 64.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10491.42ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 64.0MB in the beginning and 75.6MB in the end (delta: -11.6MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 79.37ms. Allocated memory is still 180.4MB. Free memory was 75.6MB in the beginning and 69.3MB in the end (delta: 6.3MB). 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: 267]: 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 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2439 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2402 mSDsluCounter, 4212 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2744 mSDsCounter, 919 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3013 IncrementalHoareTripleChecker+Invalid, 3932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 919 mSolverCounterUnsat, 1468 mSDtfsCounter, 3013 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 56 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 1415 PreInvPairs, 1666 NumberOfFragments, 1576 HoareAnnotationTreeSize, 1415 FomulaSimplifications, 132 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 12645 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1396 SizeOfPredicates, 4 NumberOfNonLiveVariables, 455 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 64/84 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: 325]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && 1 <= tmp) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((((\result == 1 && methaneLevelCritical == tmp) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(pumpRunning) == 1)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:38:47,243 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