./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_product53.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 e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:19:32,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:19:32,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:19:32,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:19:32,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:19:32,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:19:32,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:19:32,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:19:32,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:19:32,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:19:32,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:19:32,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:19:32,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:19:32,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:19:32,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:19:32,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:19:32,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:19:32,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:19:32,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:19:32,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:19:32,773 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:19:32,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:19:32,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:19:32,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:19:32,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:19:32,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:19:32,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:19:32,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:19:32,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:19:32,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:19:32,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:19:32,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:19:32,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:19:32,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:19:32,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:19:32,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:19:32,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:19:32,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:19:32,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:19:32,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:19:32,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:19:32,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:19:32,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:19:32,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:19:32,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:19:32,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:19:32,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:19:32,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:19:32,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:19:32,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:19:32,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:19:32,832 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:19:32,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:19:32,834 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:19:32,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:19:32,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:19:32,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:19:32,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:19:32,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:19:32,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:19:32,835 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:19:32,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:19:32,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:19:32,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:19:32,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:19:32,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:19:32,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:19:32,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:32,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:19:32,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:19:32,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:19:32,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:19:32,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:19:32,838 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:19:32,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:19:32,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:19:32,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2022-07-12 06:19:33,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:19:33,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:19:33,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:19:33,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:19:33,160 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:19:33,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-07-12 06:19:33,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434e8b0dd/433da08eb40e4f12ac5e7a7b3507af46/FLAG1e5529220 [2022-07-12 06:19:33,796 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:19:33,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-07-12 06:19:33,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434e8b0dd/433da08eb40e4f12ac5e7a7b3507af46/FLAG1e5529220 [2022-07-12 06:19:34,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434e8b0dd/433da08eb40e4f12ac5e7a7b3507af46 [2022-07-12 06:19:34,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:19:34,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:19:34,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:34,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:19:34,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:19:34,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541317ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34, skipping insertion in model container [2022-07-12 06:19:34,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:19:34,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:19:34,542 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_product53.cil.c[1605,1618] [2022-07-12 06:19:34,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:34,698 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:19:34,716 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_product53.cil.c[1605,1618] [2022-07-12 06:19:34,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:34,818 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:19:34,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34 WrapperNode [2022-07-12 06:19:34,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:34,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:34,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:19:34,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:19:34,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,888 INFO L137 Inliner]: procedures = 56, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 281 [2022-07-12 06:19:34,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:34,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:19:34,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:19:34,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:19:34,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:19:34,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:19:34,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:19:34,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:19:34,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (1/1) ... [2022-07-12 06:19:34,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:35,005 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) [2022-07-12 06:19:35,008 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 [2022-07-12 06:19:35,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:19:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:19:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:19:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:19:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:19:35,043 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:19:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:19:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:19:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:19:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:35,044 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:19:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:19:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:19:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:19:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:19:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:19:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:19:35,045 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:19:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:19:35,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:19:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:19:35,140 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:19:35,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:19:35,554 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:19:35,561 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:19:35,563 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:19:35,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:35 BoogieIcfgContainer [2022-07-12 06:19:35,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:19:35,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:19:35,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:19:35,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:19:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:19:34" (1/3) ... [2022-07-12 06:19:35,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6485fdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:35, skipping insertion in model container [2022-07-12 06:19:35,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:34" (2/3) ... [2022-07-12 06:19:35,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6485fdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:35, skipping insertion in model container [2022-07-12 06:19:35,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:35" (3/3) ... [2022-07-12 06:19:35,577 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2022-07-12 06:19:35,590 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:19:35,591 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:19:35,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:19:35,640 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@7261633d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36ebbe46 [2022-07-12 06:19:35,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:19:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-07-12 06:19:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:19:35,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:35,664 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] [2022-07-12 06:19:35,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1763060088, now seen corresponding path program 1 times [2022-07-12 06:19:35,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:35,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12405924] [2022-07-12 06:19:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:19:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:35,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:35,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12405924] [2022-07-12 06:19:35,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12405924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:35,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:35,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:19:35,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521544376] [2022-07-12 06:19:35,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:35,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:19:35,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:35,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:19:35,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:19:35,991 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-07-12 06:19:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:36,044 INFO L93 Difference]: Finished difference Result 196 states and 267 transitions. [2022-07-12 06:19:36,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:19:36,046 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 [2022-07-12 06:19:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:36,057 INFO L225 Difference]: With dead ends: 196 [2022-07-12 06:19:36,057 INFO L226 Difference]: Without dead ends: 93 [2022-07-12 06:19:36,065 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 [2022-07-12 06:19:36,069 INFO L413 NwaCegarLoop]: 130 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, 130 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 [2022-07-12 06:19:36,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:36,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-12 06:19:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-12 06:19:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 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) [2022-07-12 06:19:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-07-12 06:19:36,124 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-07-12 06:19:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:36,125 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-07-12 06:19:36,125 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) [2022-07-12 06:19:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-07-12 06:19:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:19:36,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:36,133 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] [2022-07-12 06:19:36,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:19:36,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:36,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:36,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1681284877, now seen corresponding path program 1 times [2022-07-12 06:19:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:36,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475612227] [2022-07-12 06:19:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:36,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:19:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:36,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:36,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475612227] [2022-07-12 06:19:36,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475612227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:36,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:36,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:19:36,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451296609] [2022-07-12 06:19:36,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:36,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:19:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:19:36,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:36,256 INFO L87 Difference]: Start difference. First operand 93 states and 121 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) [2022-07-12 06:19:36,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:36,294 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2022-07-12 06:19:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:19:36,295 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 [2022-07-12 06:19:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:36,298 INFO L225 Difference]: With dead ends: 152 [2022-07-12 06:19:36,299 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 06:19:36,302 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 [2022-07-12 06:19:36,305 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 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 [2022-07-12 06:19:36,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 06:19:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 06:19:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 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) [2022-07-12 06:19:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-12 06:19:36,321 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-07-12 06:19:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:36,322 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-12 06:19:36,323 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) [2022-07-12 06:19:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-12 06:19:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:19:36,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:36,326 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] [2022-07-12 06:19:36,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:19:36,326 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:36,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:36,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1900585844, now seen corresponding path program 1 times [2022-07-12 06:19:36,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:36,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014611661] [2022-07-12 06:19:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:36,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:36,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:36,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014611661] [2022-07-12 06:19:36,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014611661] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:36,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:36,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:19:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885195640] [2022-07-12 06:19:36,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:36,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:19:36,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:36,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:19:36,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:36,428 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-12 06:19:36,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:36,470 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-07-12 06:19:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:19:36,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-07-12 06:19:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:36,472 INFO L225 Difference]: With dead ends: 161 [2022-07-12 06:19:36,472 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 06:19:36,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:36,474 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 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 [2022-07-12 06:19:36,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 06:19:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 06:19:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 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) [2022-07-12 06:19:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-12 06:19:36,505 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-07-12 06:19:36,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:36,505 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-12 06:19:36,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-12 06:19:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-12 06:19:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-12 06:19:36,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:36,507 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] [2022-07-12 06:19:36,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:19:36,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:36,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:36,509 INFO L85 PathProgramCache]: Analyzing trace with hash 810060833, now seen corresponding path program 1 times [2022-07-12 06:19:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:36,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23500483] [2022-07-12 06:19:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 06:19:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:19:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:19:36,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:36,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23500483] [2022-07-12 06:19:36,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23500483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:36,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:36,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 06:19:36,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492589594] [2022-07-12 06:19:36,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:36,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 06:19:36,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:36,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 06:19:36,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 06:19:36,607 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-07-12 06:19:36,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:36,795 INFO L93 Difference]: Finished difference Result 243 states and 317 transitions. [2022-07-12 06:19:36,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:19:36,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 43 [2022-07-12 06:19:36,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:36,802 INFO L225 Difference]: With dead ends: 243 [2022-07-12 06:19:36,802 INFO L226 Difference]: Without dead ends: 166 [2022-07-12 06:19:36,803 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 [2022-07-12 06:19:36,813 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 154 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:36,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 235 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-07-12 06:19:36,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2022-07-12 06:19:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 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) [2022-07-12 06:19:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-07-12 06:19:36,834 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 43 [2022-07-12 06:19:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:36,834 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-07-12 06:19:36,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-07-12 06:19:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-07-12 06:19:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 06:19:36,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:36,836 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] [2022-07-12 06:19:36,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:19:36,836 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1861351509, now seen corresponding path program 1 times [2022-07-12 06:19:36,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:36,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777875703] [2022-07-12 06:19:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 06:19:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:36,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:36,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777875703] [2022-07-12 06:19:36,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777875703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:36,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:36,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:36,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406753780] [2022-07-12 06:19:36,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:36,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:36,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:36,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:36,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:36,916 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:37,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:37,130 INFO L93 Difference]: Finished difference Result 439 states and 590 transitions. [2022-07-12 06:19:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 06:19:37,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-07-12 06:19:37,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:37,133 INFO L225 Difference]: With dead ends: 439 [2022-07-12 06:19:37,133 INFO L226 Difference]: Without dead ends: 286 [2022-07-12 06:19:37,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:19:37,135 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 176 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:37,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 456 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-07-12 06:19:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 253. [2022-07-12 06:19:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.2827225130890052) internal successors, (245), 201 states have internal predecessors, (245), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-07-12 06:19:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 324 transitions. [2022-07-12 06:19:37,169 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 324 transitions. Word has length 49 [2022-07-12 06:19:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:37,169 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 324 transitions. [2022-07-12 06:19:37,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 324 transitions. [2022-07-12 06:19:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 06:19:37,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:37,170 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] [2022-07-12 06:19:37,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:19:37,171 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:37,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:37,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1995365015, now seen corresponding path program 1 times [2022-07-12 06:19:37,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:37,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653459849] [2022-07-12 06:19:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 06:19:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:37,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:37,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653459849] [2022-07-12 06:19:37,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653459849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:37,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:37,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:37,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508198489] [2022-07-12 06:19:37,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:37,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:37,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:37,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:37,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:37,244 INFO L87 Difference]: Start difference. First operand 253 states and 324 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:37,397 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2022-07-12 06:19:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:37,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 49 [2022-07-12 06:19:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:37,403 INFO L225 Difference]: With dead ends: 513 [2022-07-12 06:19:37,403 INFO L226 Difference]: Without dead ends: 267 [2022-07-12 06:19:37,404 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 [2022-07-12 06:19:37,407 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 73 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:37,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 436 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-07-12 06:19:37,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2022-07-12 06:19:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 197 states have (on average 1.2741116751269035) internal successors, (251), 207 states have internal predecessors, (251), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-07-12 06:19:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 330 transitions. [2022-07-12 06:19:37,444 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 330 transitions. Word has length 49 [2022-07-12 06:19:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:37,444 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 330 transitions. [2022-07-12 06:19:37,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 330 transitions. [2022-07-12 06:19:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 06:19:37,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:37,446 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] [2022-07-12 06:19:37,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:19:37,447 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:37,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:37,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2080747563, now seen corresponding path program 1 times [2022-07-12 06:19:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:37,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146128548] [2022-07-12 06:19:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 06:19:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:37,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:37,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146128548] [2022-07-12 06:19:37,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146128548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:37,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:37,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:37,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175448018] [2022-07-12 06:19:37,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:37,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:37,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:37,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:37,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:37,542 INFO L87 Difference]: Start difference. First operand 259 states and 330 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:37,718 INFO L93 Difference]: Finished difference Result 475 states and 619 transitions. [2022-07-12 06:19:37,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:19:37,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 49 [2022-07-12 06:19:37,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:37,720 INFO L225 Difference]: With dead ends: 475 [2022-07-12 06:19:37,720 INFO L226 Difference]: Without dead ends: 223 [2022-07-12 06:19:37,722 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 [2022-07-12 06:19:37,722 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:37,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 272 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:37,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-07-12 06:19:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2022-07-12 06:19:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.2545454545454546) internal successors, (207), 174 states have internal predecessors, (207), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-07-12 06:19:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 270 transitions. [2022-07-12 06:19:37,734 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 270 transitions. Word has length 49 [2022-07-12 06:19:37,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:37,734 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 270 transitions. [2022-07-12 06:19:37,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 270 transitions. [2022-07-12 06:19:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:19:37,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:37,735 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] [2022-07-12 06:19:37,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:19:37,736 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:37,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:37,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1736726981, now seen corresponding path program 1 times [2022-07-12 06:19:37,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:37,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654854278] [2022-07-12 06:19:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 06:19:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:37,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:37,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654854278] [2022-07-12 06:19:37,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654854278] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:37,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:37,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:37,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085622658] [2022-07-12 06:19:37,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:37,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:37,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:37,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:37,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:37,831 INFO L87 Difference]: Start difference. First operand 218 states and 270 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:38,013 INFO L93 Difference]: Finished difference Result 432 states and 535 transitions. [2022-07-12 06:19:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:38,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 51 [2022-07-12 06:19:38,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:38,015 INFO L225 Difference]: With dead ends: 432 [2022-07-12 06:19:38,015 INFO L226 Difference]: Without dead ends: 221 [2022-07-12 06:19:38,016 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 [2022-07-12 06:19:38,017 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 126 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 397 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 [2022-07-12 06:19:38,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 397 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:38,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-12 06:19:38,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2022-07-12 06:19:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 172 states have internal predecessors, (203), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-07-12 06:19:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 266 transitions. [2022-07-12 06:19:38,029 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 266 transitions. Word has length 51 [2022-07-12 06:19:38,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:38,029 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 266 transitions. [2022-07-12 06:19:38,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-07-12 06:19:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 266 transitions. [2022-07-12 06:19:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-12 06:19:38,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:38,031 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] [2022-07-12 06:19:38,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:19:38,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:38,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:38,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1340244461, now seen corresponding path program 1 times [2022-07-12 06:19:38,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:38,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071744039] [2022-07-12 06:19:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:38,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 06:19:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:38,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:38,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071744039] [2022-07-12 06:19:38,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071744039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:38,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:38,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 06:19:38,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831719843] [2022-07-12 06:19:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:38,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:19:38,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:19:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:19:38,117 INFO L87 Difference]: Start difference. First operand 216 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:19:38,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:38,577 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2022-07-12 06:19:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 06:19:38,578 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2022-07-12 06:19:38,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:38,580 INFO L225 Difference]: With dead ends: 433 [2022-07-12 06:19:38,580 INFO L226 Difference]: Without dead ends: 275 [2022-07-12 06:19:38,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-07-12 06:19:38,583 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 430 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:38,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 457 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:19:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-07-12 06:19:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 218. [2022-07-12 06:19:38,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 174 states have internal predecessors, (198), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-07-12 06:19:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2022-07-12 06:19:38,607 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 53 [2022-07-12 06:19:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:38,607 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2022-07-12 06:19:38,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:19:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2022-07-12 06:19:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-12 06:19:38,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:38,609 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] [2022-07-12 06:19:38,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:19:38,609 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:38,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:38,610 INFO L85 PathProgramCache]: Analyzing trace with hash -768900197, now seen corresponding path program 1 times [2022-07-12 06:19:38,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:38,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701653449] [2022-07-12 06:19:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:38,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 06:19:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:38,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:38,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701653449] [2022-07-12 06:19:38,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701653449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:38,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:38,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:19:38,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296055214] [2022-07-12 06:19:38,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:38,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:19:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:38,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:19:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:38,710 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-07-12 06:19:38,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:38,969 INFO L93 Difference]: Finished difference Result 417 states and 499 transitions. [2022-07-12 06:19:38,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:19:38,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 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 55 [2022-07-12 06:19:38,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:38,971 INFO L225 Difference]: With dead ends: 417 [2022-07-12 06:19:38,971 INFO L226 Difference]: Without dead ends: 257 [2022-07-12 06:19:38,972 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 [2022-07-12 06:19:38,973 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 150 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:38,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 350 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:38,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-07-12 06:19:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2022-07-12 06:19:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.201219512195122) internal successors, (197), 174 states have internal predecessors, (197), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-07-12 06:19:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-07-12 06:19:38,986 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 55 [2022-07-12 06:19:38,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:38,987 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-07-12 06:19:38,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-07-12 06:19:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-07-12 06:19:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-12 06:19:38,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:38,988 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] [2022-07-12 06:19:38,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 06:19:38,988 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:38,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:38,989 INFO L85 PathProgramCache]: Analyzing trace with hash -696926305, now seen corresponding path program 1 times [2022-07-12 06:19:38,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:38,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308612736] [2022-07-12 06:19:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:38,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 06:19:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:39,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:39,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308612736] [2022-07-12 06:19:39,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308612736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:39,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:39,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:19:39,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285629923] [2022-07-12 06:19:39,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:39,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:19:39,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:39,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:19:39,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:19:39,078 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:19:39,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:39,563 INFO L93 Difference]: Finished difference Result 536 states and 657 transitions. [2022-07-12 06:19:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 06:19:39,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-07-12 06:19:39,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:39,565 INFO L225 Difference]: With dead ends: 536 [2022-07-12 06:19:39,565 INFO L226 Difference]: Without dead ends: 376 [2022-07-12 06:19:39,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-07-12 06:19:39,566 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 385 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:39,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 377 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:19:39,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-07-12 06:19:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 347. [2022-07-12 06:19:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.193050193050193) internal successors, (309), 275 states have internal predecessors, (309), 46 states have call successors, (46), 35 states have call predecessors, (46), 41 states have return successors, (60), 44 states have call predecessors, (60), 46 states have call successors, (60) [2022-07-12 06:19:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 415 transitions. [2022-07-12 06:19:39,588 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 415 transitions. Word has length 55 [2022-07-12 06:19:39,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:39,588 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 415 transitions. [2022-07-12 06:19:39,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:19:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 415 transitions. [2022-07-12 06:19:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-12 06:19:39,590 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:39,590 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-07-12 06:19:39,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 06:19:39,590 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1626295211, now seen corresponding path program 1 times [2022-07-12 06:19:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904538203] [2022-07-12 06:19:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:39,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:19:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 06:19:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:19:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:19:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 06:19:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-12 06:19:39,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:39,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904538203] [2022-07-12 06:19:39,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904538203] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:19:39,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881091621] [2022-07-12 06:19:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:39,709 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) [2022-07-12 06:19:39,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:19:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:39,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 06:19:39,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:19:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 06:19:40,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:19:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-12 06:19:40,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881091621] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:19:40,341 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:19:40,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 20 [2022-07-12 06:19:40,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826549527] [2022-07-12 06:19:40,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:19:40,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-12 06:19:40,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:40,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-12 06:19:40,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:19:40,344 INFO L87 Difference]: Start difference. First operand 347 states and 415 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:19:41,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:41,861 INFO L93 Difference]: Finished difference Result 1073 states and 1374 transitions. [2022-07-12 06:19:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-12 06:19:41,862 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) Word has length 89 [2022-07-12 06:19:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:41,863 INFO L225 Difference]: With dead ends: 1073 [2022-07-12 06:19:41,863 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:19:41,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1031, Invalid=3525, Unknown=0, NotChecked=0, Total=4556 [2022-07-12 06:19:41,867 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 713 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:41,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 815 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 06:19:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:19:41,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:19:41,869 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) [2022-07-12 06:19:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:19:41,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-07-12 06:19:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:41,869 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:19:41,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:19:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:19:41,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:19:41,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:19:41,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:19:42,080 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 [2022-07-12 06:19:42,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:19:45,783 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 296 303) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-07-12 06:19:45,783 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 296 303) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 426 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 438 446) the Hoare annotation is: true [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 438 446) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2022-07-12 06:19:45,784 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-07-12 06:19:45,785 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-07-12 06:19:45,785 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-07-12 06:19:45,785 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-07-12 06:19:45,785 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-07-12 06:19:45,785 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-07-12 06:19:45,785 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-07-12 06:19:45,785 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-07-12 06:19:45,785 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-07-12 06:19:45,785 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L895 garLoopResultBuilder]: At program point L320(lines 315 323) 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 .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-07-12 06:19:45,786 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 179 202) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2022-07-12 06:19:45,786 INFO L895 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (not .cse1) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse12 .cse8 .cse5 .cse9 .cse13 .cse6 .cse11)) (.cse2 (not .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse6) .cse2 .cse4 .cse3) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 .cse7 (and .cse8 .cse5 .cse9 .cse10 .cse11) .cse3 (and .cse12 .cse5 .cse9 .cse10 .cse11))) (or .cse1 .cse2 .cse7 .cse3))))) [2022-07-12 06:19:45,787 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L282(line 282) 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 (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L282-1(lines 263 287) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L311(lines 304 314) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,787 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,787 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2022-07-12 06:19:45,787 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 182 201) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L895 garLoopResultBuilder]: At program point L406-2(lines 402 413) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-12 06:19:45,788 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 179 202) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L895 garLoopResultBuilder]: At program point L518-1(lines 503 535) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse21 (not .cse18)) (.cse22 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (let ((.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse19 (not .cse22)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (or .cse21 .cse22)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse15 (and .cse11 .cse3 .cse4 .cse5 .cse6 .cse17 .cse7 .cse8)) (.cse16 (and .cse11 .cse3 .cse5 .cse6 .cse21 .cse19 .cse17)) (.cse2 (and .cse10 .cse11 .cse5 .cse6 .cse21 .cse19)) (.cse9 (and .cse3 .cse5 .cse6 .cse21 .cse19 .cse20)) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse6)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse10 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse0) (or .cse14 .cse15 .cse16 (and .cse10 .cse4 .cse17) .cse0 .cse12) (or .cse18 .cse0 .cse1 .cse2 .cse9 .cse12) (or .cse14 .cse18 .cse0 .cse19 .cse12) (or .cse13 .cse0 .cse1 .cse20)))))) [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 985 992) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-07-12 06:19:45,788 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-12 06:19:45,788 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:45,789 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2022-07-12 06:19:45,789 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2022-07-12 06:19:45,789 INFO L902 garLoopResultBuilder]: At program point L994(lines 975 997) the Hoare annotation is: true [2022-07-12 06:19:45,789 INFO L902 garLoopResultBuilder]: At program point L160(lines 101 164) the Hoare annotation is: true [2022-07-12 06:19:45,789 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:19:45,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:19:45,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:19:45,790 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-12 06:19:45,790 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:45,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:19:45,790 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2022-07-12 06:19:45,790 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2022-07-12 06:19:45,790 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2022-07-12 06:19:45,790 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-12 06:19:45,791 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:45,791 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-12 06:19:45,791 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-07-12 06:19:45,791 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2022-07-12 06:19:45,791 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:45,791 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-07-12 06:19:45,791 INFO L902 garLoopResultBuilder]: At program point L972(lines 965 974) the Hoare annotation is: true [2022-07-12 06:19:45,792 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)))))) [2022-07-12 06:19:45,792 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 211 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-12 06:19:45,792 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2022-07-12 06:19:45,792 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2022-07-12 06:19:45,792 INFO L895 garLoopResultBuilder]: At program point L488(lines 479 492) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 (not .cse5) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 .cse2 (and .cse4 .cse5) (not (<= ~waterLevel~0 2)))))) [2022-07-12 06:19:45,792 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,792 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2022-07-12 06:19:45,793 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2022-07-12 06:19:45,793 INFO L895 garLoopResultBuilder]: At program point L375(lines 360 378) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse6)) (.cse2 (and .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 (and .cse4 .cse5 .cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) .cse1 (not (<= ~waterLevel~0 2)) .cse2)))) [2022-07-12 06:19:45,793 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2022-07-12 06:19:45,793 INFO L899 garLoopResultBuilder]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2022-07-12 06:19:45,793 INFO L895 garLoopResultBuilder]: At program point L293(lines 288 295) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= ~waterLevel~0 2)) (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|))) (or .cse2 .cse0 .cse1))) [2022-07-12 06:19:45,793 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 489) no Hoare annotation was computed. [2022-07-12 06:19:45,793 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2022-07-12 06:19:45,794 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2022-07-12 06:19:45,794 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 414 425) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-07-12 06:19:45,794 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,794 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2022-07-12 06:19:45,794 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 237 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-12 06:19:45,794 INFO L895 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,794 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2022-07-12 06:19:45,795 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,795 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,795 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2022-07-12 06:19:45,795 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2022-07-12 06:19:45,795 INFO L895 garLoopResultBuilder]: At program point L394(lines 379 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:19:45,795 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2022-07-12 06:19:45,795 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2022-07-12 06:19:45,798 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:45,800 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:19:45,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:19:45 BoogieIcfgContainer [2022-07-12 06:19:45,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:19:45,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:19:45,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:19:45,829 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:19:45,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:35" (3/4) ... [2022-07-12 06:19:45,832 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:19:45,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:19:45,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:19:45,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:19:45,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:19:45,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:19:45,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:19:45,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:45,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:19:45,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:19:45,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-12 06:19:45,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:19:45,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:19:45,847 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:19:45,847 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:19:45,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:45,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:45,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-07-12 06:19:45,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,874 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)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-12 06:19:45,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) [2022-07-12 06:19:45,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-12 06:19:45,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) [2022-07-12 06:19:45,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:45,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-07-12 06:19:45,921 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:19:45,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:19:45,922 INFO L158 Benchmark]: Toolchain (without parser) took 11664.12ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 66.6MB in the beginning and 38.3MB in the end (delta: 28.3MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,922 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:19:45,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.32ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 61.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.51ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,923 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 57.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,924 INFO L158 Benchmark]: RCFGBuilder took 635.74ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 94.3MB in the end (delta: -37.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,924 INFO L158 Benchmark]: TraceAbstraction took 10258.87ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 93.8MB in the beginning and 44.6MB in the end (delta: 49.2MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,925 INFO L158 Benchmark]: Witness Printer took 93.07ms. Allocated memory is still 146.8MB. Free memory was 44.6MB in the beginning and 38.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:19:45,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.32ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 61.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.51ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 58.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 57.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.74ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 94.3MB in the end (delta: -37.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10258.87ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 93.8MB in the beginning and 44.6MB in the end (delta: 49.2MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. * Witness Printer took 93.07ms. Allocated memory is still 146.8MB. Free memory was 44.6MB in the beginning and 38.3MB 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: 54]: 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, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2521 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2480 mSDsluCounter, 4232 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2886 mSDsCounter, 966 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3101 IncrementalHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 966 mSolverCounterUnsat, 1346 mSDtfsCounter, 3101 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=11, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 182 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1364 PreInvPairs, 1631 NumberOfFragments, 1902 HoareAnnotationTreeSize, 1364 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 47 FomulaSimplificationsInter, 22540 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1535 SizeOfPredicates, 4 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 60/81 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: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 06:19:45,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE