./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_product42.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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:59:21,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:59:21,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:59:21,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:59:21,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:59:21,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:59:21,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:59:21,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:59:21,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:59:21,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:59:21,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:59:21,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:59:21,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:59:21,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:59:21,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:59:21,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:59:21,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:59:21,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:59:21,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:59:21,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:59:21,898 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:59:21,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:59:21,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:59:21,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:59:21,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:59:21,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:59:21,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:59:21,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:59:21,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:59:21,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:59:21,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:59:21,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:59:21,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:59:21,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:59:21,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:59:21,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:59:21,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:59:21,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:59:21,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:59:21,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:59:21,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:59:21,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:59:21,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:59:21,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:59:21,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:59:21,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:59:21,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:59:21,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:59:21,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:59:21,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:59:21,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:59:21,929 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:59:21,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:59:21,929 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:59:21,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:59:21,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:59:21,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:59:21,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:59:21,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:59:21,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:59:21,931 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:59:21,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:59:21,931 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:59:21,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:59:21,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:59:21,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:59:21,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:59:21,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:21,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:59:21,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:59:21,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:59:21,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:59:21,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:59:21,933 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:59:21,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:59:21,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:59:21,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2022-07-13 17:59:22,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:59:22,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:59:22,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:59:22,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:59:22,153 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:59:22,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-07-13 17:59:22,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206aae826/5132af74bc9443079a33dd0f952a02b8/FLAG89241203f [2022-07-13 17:59:22,623 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:59:22,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-07-13 17:59:22,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206aae826/5132af74bc9443079a33dd0f952a02b8/FLAG89241203f [2022-07-13 17:59:22,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206aae826/5132af74bc9443079a33dd0f952a02b8 [2022-07-13 17:59:23,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:59:23,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:59:23,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:23,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:59:23,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:59:23,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6deebb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23, skipping insertion in model container [2022-07-13 17:59:23,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:59:23,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:59:23,222 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_product42.cil.c[7477,7490] [2022-07-13 17:59:23,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:23,272 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:59:23,310 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_product42.cil.c[7477,7490] [2022-07-13 17:59:23,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:23,356 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:59:23,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23 WrapperNode [2022-07-13 17:59:23,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:23,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:23,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:59:23,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:59:23,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,392 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 249 [2022-07-13 17:59:23,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:23,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:59:23,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:59:23,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:59:23,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:59:23,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:59:23,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:59:23,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:59:23,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (1/1) ... [2022-07-13 17:59:23,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:23,447 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) [2022-07-13 17:59:23,471 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 [2022-07-13 17:59:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:59:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:59:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:59:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:59:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:59:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:59:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:59:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:59:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:59:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:59:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:59:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:59:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:59:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:59:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:59:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:59:23,557 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:59:23,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:59:23,797 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:59:23,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:59:23,803 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:59:23,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:23 BoogieIcfgContainer [2022-07-13 17:59:23,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:59:23,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:59:23,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:59:23,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:59:23,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:59:23" (1/3) ... [2022-07-13 17:59:23,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b616d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:23, skipping insertion in model container [2022-07-13 17:59:23,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:23" (2/3) ... [2022-07-13 17:59:23,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b616d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:23, skipping insertion in model container [2022-07-13 17:59:23,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:23" (3/3) ... [2022-07-13 17:59:23,810 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2022-07-13 17:59:23,820 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:59:23,821 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:59:23,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:59:23,877 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@7813faf2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f6e984f [2022-07-13 17:59:23,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:59:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-13 17:59:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:59:23,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:23,887 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] [2022-07-13 17:59:23,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:23,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:23,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1617756963, now seen corresponding path program 1 times [2022-07-13 17:59:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:23,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867985274] [2022-07-13 17:59:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:59:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867985274] [2022-07-13 17:59:24,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867985274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:24,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971034391] [2022-07-13 17:59:24,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:59:24,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:59:24,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:24,116 INFO L87 Difference]: Start difference. First operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 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) [2022-07-13 17:59:24,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:24,153 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2022-07-13 17:59:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:59:24,156 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 [2022-07-13 17:59:24,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:24,163 INFO L225 Difference]: With dead ends: 156 [2022-07-13 17:59:24,163 INFO L226 Difference]: Without dead ends: 73 [2022-07-13 17:59:24,166 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 [2022-07-13 17:59:24,169 INFO L413 NwaCegarLoop]: 103 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, 103 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 [2022-07-13 17:59:24,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:24,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-07-13 17:59:24,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-07-13 17:59:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-13 17:59:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-07-13 17:59:24,219 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2022-07-13 17:59:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:24,219 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-07-13 17:59:24,220 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) [2022-07-13 17:59:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-07-13 17:59:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:59:24,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:24,221 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] [2022-07-13 17:59:24,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:59:24,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:24,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1176803179, now seen corresponding path program 1 times [2022-07-13 17:59:24,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:24,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802086214] [2022-07-13 17:59:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:59:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802086214] [2022-07-13 17:59:24,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802086214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:24,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857317737] [2022-07-13 17:59:24,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:24,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:24,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:24,319 INFO L87 Difference]: Start difference. First operand 73 states and 94 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) [2022-07-13 17:59:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:24,343 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2022-07-13 17:59:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:24,344 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 [2022-07-13 17:59:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:24,347 INFO L225 Difference]: With dead ends: 111 [2022-07-13 17:59:24,348 INFO L226 Difference]: Without dead ends: 64 [2022-07-13 17:59:24,348 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 [2022-07-13 17:59:24,349 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 145 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 [2022-07-13 17:59:24,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-07-13 17:59:24,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-07-13 17:59:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 17:59:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-07-13 17:59:24,361 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 26 [2022-07-13 17:59:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:24,364 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-07-13 17:59:24,364 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) [2022-07-13 17:59:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-07-13 17:59:24,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 17:59:24,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:24,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:24,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:59:24,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:24,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:24,365 INFO L85 PathProgramCache]: Analyzing trace with hash 414343402, now seen corresponding path program 1 times [2022-07-13 17:59:24,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:24,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720764276] [2022-07-13 17:59:24,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:24,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720764276] [2022-07-13 17:59:24,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720764276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815427073] [2022-07-13 17:59:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:24,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:24,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:24,450 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:24,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:24,508 INFO L93 Difference]: Finished difference Result 121 states and 158 transitions. [2022-07-13 17:59:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:59:24,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-13 17:59:24,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:24,511 INFO L225 Difference]: With dead ends: 121 [2022-07-13 17:59:24,512 INFO L226 Difference]: Without dead ends: 64 [2022-07-13 17:59:24,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:24,514 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:24,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 193 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:24,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-07-13 17:59:24,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-07-13 17:59:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 17:59:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-07-13 17:59:24,525 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2022-07-13 17:59:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:24,525 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-07-13 17:59:24,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-07-13 17:59:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-13 17:59:24,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:24,528 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] [2022-07-13 17:59:24,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:59:24,528 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:24,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:24,529 INFO L85 PathProgramCache]: Analyzing trace with hash 808202887, now seen corresponding path program 1 times [2022-07-13 17:59:24,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:24,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183633952] [2022-07-13 17:59:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:59:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183633952] [2022-07-13 17:59:24,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183633952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:24,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565263949] [2022-07-13 17:59:24,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:24,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:24,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:24,602 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:59:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:24,630 INFO L93 Difference]: Finished difference Result 163 states and 210 transitions. [2022-07-13 17:59:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:24,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-13 17:59:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:24,631 INFO L225 Difference]: With dead ends: 163 [2022-07-13 17:59:24,631 INFO L226 Difference]: Without dead ends: 106 [2022-07-13 17:59:24,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:24,633 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:24,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 149 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:24,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-07-13 17:59:24,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2022-07-13 17:59:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 89 states have internal predecessors, (107), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-07-13 17:59:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2022-07-13 17:59:24,653 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 36 [2022-07-13 17:59:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:24,653 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2022-07-13 17:59:24,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:59:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2022-07-13 17:59:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-13 17:59:24,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:24,656 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] [2022-07-13 17:59:24,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:59:24,657 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:24,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash 165647039, now seen corresponding path program 1 times [2022-07-13 17:59:24,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:24,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829948981] [2022-07-13 17:59:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:24,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 17:59:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 17:59:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829948981] [2022-07-13 17:59:24,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829948981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:24,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545904340] [2022-07-13 17:59:24,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:24,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:24,754 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:59:24,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:24,836 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2022-07-13 17:59:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:59:24,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-07-13 17:59:24,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:24,838 INFO L225 Difference]: With dead ends: 288 [2022-07-13 17:59:24,838 INFO L226 Difference]: Without dead ends: 191 [2022-07-13 17:59:24,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:24,840 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:24,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-07-13 17:59:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2022-07-13 17:59:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 156 states have internal predecessors, (187), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-13 17:59:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2022-07-13 17:59:24,862 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 42 [2022-07-13 17:59:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:24,863 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2022-07-13 17:59:24,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:59:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2022-07-13 17:59:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-13 17:59:24,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:24,869 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] [2022-07-13 17:59:24,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:59:24,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:24,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:24,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1345519451, now seen corresponding path program 1 times [2022-07-13 17:59:24,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:24,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064766879] [2022-07-13 17:59:24,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 17:59:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:24,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064766879] [2022-07-13 17:59:24,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064766879] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:24,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:24,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:24,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800641584] [2022-07-13 17:59:24,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:24,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:24,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:24,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:24,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:24,954 INFO L87 Difference]: Start difference. First operand 185 states and 235 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:25,144 INFO L93 Difference]: Finished difference Result 469 states and 631 transitions. [2022-07-13 17:59:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:25,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-07-13 17:59:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:25,152 INFO L225 Difference]: With dead ends: 469 [2022-07-13 17:59:25,152 INFO L226 Difference]: Without dead ends: 372 [2022-07-13 17:59:25,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:25,157 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 164 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:25,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 318 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:25,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-07-13 17:59:25,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 348. [2022-07-13 17:59:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.2707581227436824) internal successors, (352), 300 states have internal predecessors, (352), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-07-13 17:59:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2022-07-13 17:59:25,201 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 46 [2022-07-13 17:59:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:25,201 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2022-07-13 17:59:25,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2022-07-13 17:59:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-13 17:59:25,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:25,202 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] [2022-07-13 17:59:25,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:59:25,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1126664733, now seen corresponding path program 1 times [2022-07-13 17:59:25,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:25,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679155452] [2022-07-13 17:59:25,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:25,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 17:59:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:25,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:25,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679155452] [2022-07-13 17:59:25,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679155452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:25,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:25,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672224810] [2022-07-13 17:59:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:25,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:25,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:25,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:25,239 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:25,370 INFO L93 Difference]: Finished difference Result 721 states and 948 transitions. [2022-07-13 17:59:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-07-13 17:59:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:25,372 INFO L225 Difference]: With dead ends: 721 [2022-07-13 17:59:25,373 INFO L226 Difference]: Without dead ends: 457 [2022-07-13 17:59:25,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:59:25,374 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 152 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:25,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 361 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-07-13 17:59:25,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 348. [2022-07-13 17:59:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.263537906137184) internal successors, (350), 300 states have internal predecessors, (350), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-07-13 17:59:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2022-07-13 17:59:25,395 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 46 [2022-07-13 17:59:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:25,395 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2022-07-13 17:59:25,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2022-07-13 17:59:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-13 17:59:25,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:25,396 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] [2022-07-13 17:59:25,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:59:25,396 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1944313183, now seen corresponding path program 1 times [2022-07-13 17:59:25,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:25,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762517072] [2022-07-13 17:59:25,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 17:59:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:25,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:25,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762517072] [2022-07-13 17:59:25,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762517072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:25,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:25,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:25,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116904220] [2022-07-13 17:59:25,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:25,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:25,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:25,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:25,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:25,435 INFO L87 Difference]: Start difference. First operand 348 states and 448 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:25,561 INFO L93 Difference]: Finished difference Result 791 states and 1037 transitions. [2022-07-13 17:59:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:25,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-07-13 17:59:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:25,567 INFO L225 Difference]: With dead ends: 791 [2022-07-13 17:59:25,567 INFO L226 Difference]: Without dead ends: 450 [2022-07-13 17:59:25,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:25,569 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 176 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:25,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 365 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-07-13 17:59:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 353. [2022-07-13 17:59:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.249122807017544) internal successors, (356), 306 states have internal predecessors, (356), 37 states have call successors, (37), 26 states have call predecessors, (37), 30 states have return successors, (57), 35 states have call predecessors, (57), 37 states have call successors, (57) [2022-07-13 17:59:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2022-07-13 17:59:25,591 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 46 [2022-07-13 17:59:25,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:25,619 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2022-07-13 17:59:25,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2022-07-13 17:59:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:25,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:25,621 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:25,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:59:25,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:25,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1025339665, now seen corresponding path program 1 times [2022-07-13 17:59:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:25,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259399097] [2022-07-13 17:59:25,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:25,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:25,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259399097] [2022-07-13 17:59:25,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259399097] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:25,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566392851] [2022-07-13 17:59:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:25,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:25,776 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) [2022-07-13 17:59:25,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:59:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:25,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-13 17:59:25,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:26,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:59:26,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566392851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:59:26,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-07-13 17:59:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339845269] [2022-07-13 17:59:26,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:26,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:26,094 INFO L87 Difference]: Start difference. First operand 353 states and 450 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:26,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,185 INFO L93 Difference]: Finished difference Result 1076 states and 1397 transitions. [2022-07-13 17:59:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:59:26,186 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-13 17:59:26,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,188 INFO L225 Difference]: With dead ends: 1076 [2022-07-13 17:59:26,188 INFO L226 Difference]: Without dead ends: 730 [2022-07-13 17:59:26,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:59:26,189 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 107 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:26,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 499 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-07-13 17:59:26,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 700. [2022-07-13 17:59:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 563 states have (on average 1.2255772646536411) internal successors, (690), 598 states have internal predecessors, (690), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-07-13 17:59:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 890 transitions. [2022-07-13 17:59:26,224 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 890 transitions. Word has length 51 [2022-07-13 17:59:26,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,225 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 890 transitions. [2022-07-13 17:59:26,225 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, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 890 transitions. [2022-07-13 17:59:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 17:59:26,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:26,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:26,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:26,436 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash 468700430, now seen corresponding path program 1 times [2022-07-13 17:59:26,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886857342] [2022-07-13 17:59:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 17:59:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:59:26,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886857342] [2022-07-13 17:59:26,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886857342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:59:26,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498888769] [2022-07-13 17:59:26,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:59:26,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:59:26,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:26,483 INFO L87 Difference]: Start difference. First operand 700 states and 890 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,681 INFO L93 Difference]: Finished difference Result 1298 states and 1659 transitions. [2022-07-13 17:59:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 17:59:26,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-13 17:59:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,684 INFO L225 Difference]: With dead ends: 1298 [2022-07-13 17:59:26,684 INFO L226 Difference]: Without dead ends: 259 [2022-07-13 17:59:26,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-07-13 17:59:26,687 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 152 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:26,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 486 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-07-13 17:59:26,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2022-07-13 17:59:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 208 states have internal predecessors, (234), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-07-13 17:59:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions. [2022-07-13 17:59:26,700 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 52 [2022-07-13 17:59:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,700 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions. [2022-07-13 17:59:26,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions. [2022-07-13 17:59:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-13 17:59:26,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,701 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:26,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:59:26,701 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1675825877, now seen corresponding path program 1 times [2022-07-13 17:59:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939578332] [2022-07-13 17:59:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 17:59:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 17:59:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 17:59:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:26,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939578332] [2022-07-13 17:59:26,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939578332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 17:59:26,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305522771] [2022-07-13 17:59:26,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 17:59:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 17:59:26,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:26,785 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:27,028 INFO L93 Difference]: Finished difference Result 483 states and 574 transitions. [2022-07-13 17:59:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 17:59:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-07-13 17:59:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:27,030 INFO L225 Difference]: With dead ends: 483 [2022-07-13 17:59:27,030 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:27,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-07-13 17:59:27,031 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 146 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:27,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 326 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:27,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:27,032 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) [2022-07-13 17:59:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:27,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-07-13 17:59:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:27,033 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:27,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:27,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:27,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:27,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:59:27,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:30,903 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2022-07-13 17:59:30,904 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2022-07-13 17:59:30,904 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 435 446) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~methaneLevelCritical~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0) (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0))) [2022-07-13 17:59:30,904 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 435 446) no Hoare annotation was computed. [2022-07-13 17:59:30,904 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2022-07-13 17:59:30,904 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 447 455) the Hoare annotation is: true [2022-07-13 17:59:30,904 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 447 455) no Hoare annotation was computed. [2022-07-13 17:59:30,905 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2022-07-13 17:59:30,905 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2022-07-13 17:59:30,905 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 411 422) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-07-13 17:59:30,906 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-07-13 17:59:30,906 INFO L895 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-07-13 17:59:30,906 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_processEnvironment_~tmp~2#1| 1) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-07-13 17:59:30,906 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-07-13 17:59:30,907 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2022-07-13 17:59:30,907 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2022-07-13 17:59:30,907 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2022-07-13 17:59:30,907 INFO L895 garLoopResultBuilder]: At program point L928-1(lines 913 945) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse7 (not .cse2)) (.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (not .cse4)) (.cse9 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (let ((.cse6 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)))) (or .cse3 (and .cse4 .cse0 .cse5 .cse6 .cse7) (not (<= 1 ~methaneLevelCritical~0)) (and .cse8 .cse4 .cse9 .cse10 .cse11 .cse5 .cse6 .cse12) (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse11 .cse5 .cse15 .cse12) .cse2 (and .cse13 .cse0 .cse14 .cse5 .cse15 .cse7))) (or .cse13 .cse1 .cse2) (let ((.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse17 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse3 (and .cse4 .cse0 .cse5 .cse7) (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse14 .cse16 .cse5 .cse17 .cse15 .cse7) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse16 .cse11 .cse5 .cse17 .cse15 .cse12)))))) [2022-07-13 17:59:30,907 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-07-13 17:59:30,908 INFO L895 garLoopResultBuilder]: At program point L284-1(lines 265 289) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-07-13 17:59:30,908 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-07-13 17:59:30,908 INFO L895 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-07-13 17:59:30,908 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2022-07-13 17:59:30,908 INFO L895 garLoopResultBuilder]: At program point L508(lines 503 510) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= |old(~pumpRunning~0)| 0) .cse0) (or (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2022-07-13 17:59:30,909 INFO L899 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2022-07-13 17:59:30,909 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2022-07-13 17:59:30,909 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2022-07-13 17:59:30,909 INFO L895 garLoopResultBuilder]: At program point L306-2(lines 299 315) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse8 (not .cse0)) (.cse3 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse12 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse1 (not .cse14)) (.cse4 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13))) (or (= |old(~pumpRunning~0)| 0) .cse0) (or (and .cse14 .cse2 .cse5) (and .cse2 .cse3 .cse5 .cse7 .cse8) (not (<= 1 ~methaneLevelCritical~0)) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse5 .cse7 .cse13) (and .cse9 .cse14 .cse10 .cse11 .cse12 .cse5 .cse13) .cse0)))) [2022-07-13 17:59:30,909 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-07-13 17:59:30,909 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2022-07-13 17:59:30,909 INFO L895 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse4 (not .cse10)) (.cse5 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse0 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse10)) (or (and .cse1 .cse2 .cse3 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) .cse10) (or (= |old(~pumpRunning~0)| 0) .cse10)))) [2022-07-13 17:59:30,910 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2022-07-13 17:59:30,910 INFO L895 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0))) (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse10 (not .cse18)) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse21 (not .cse2))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and .cse10 .cse6 .cse13 .cse15 .cse16 .cse7 .cse21)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not .cse8)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse17 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse3 .cse0 .cse4 .cse5 .cse2) (or (and .cse6 .cse7) .cse3 .cse8 .cse2) (or .cse0 .cse4 .cse5 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse2) (or .cse10 .cse8 .cse2) (let ((.cse19 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse20 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse18 .cse6 .cse15 .cse7) .cse0 (and .cse6 .cse13 .cse19 .cse15 .cse20 .cse16 .cse7 .cse21) (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse20 .cse16 .cse17))))))) [2022-07-13 17:59:30,910 INFO L899 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2022-07-13 17:59:30,910 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2022-07-13 17:59:30,910 INFO L895 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (let ((.cse15 (= |old(~pumpRunning~0)| 0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse15)) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (= 0 ~systemActive~0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |timeShift_isPumpRunning_#res#1| 0))) (.cse5 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse11) .cse12) (or .cse13 .cse14 .cse12) (or .cse13 .cse15 .cse12) (or (and .cse3 .cse4) .cse15 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse12) (or .cse0 .cse14 .cse12 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))))) [2022-07-13 17:59:30,910 INFO L895 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse0 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1))) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-07-13 17:59:30,910 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and .cse1 .cse2) (not (<= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse3 (and (not .cse1) .cse2)))) [2022-07-13 17:59:30,911 INFO L899 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2022-07-13 17:59:30,911 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2022-07-13 17:59:30,911 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2022-07-13 17:59:30,911 INFO L895 garLoopResultBuilder]: At program point L295(lines 290 297) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse11 (not .cse9)) (.cse0 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse3 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse4 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse5 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse8 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse1 .cse10 .cse4 .cse6 .cse7 .cse11)) (let ((.cse12 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse9 (and .cse1 .cse10 .cse4 .cse12 .cse6 .cse13 .cse7 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse6 .cse13 .cse7 .cse8))) (or (= |old(~pumpRunning~0)| 0) .cse9)))) [2022-07-13 17:59:30,911 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-07-13 17:59:30,911 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-07-13 17:59:30,911 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-07-13 17:59:30,911 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-07-13 17:59:30,911 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-07-13 17:59:30,912 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-07-13 17:59:30,912 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-07-13 17:59:30,912 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-07-13 17:59:30,912 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-13 17:59:30,912 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-13 17:59:30,912 INFO L895 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2022-07-13 17:59:30,912 INFO L895 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-07-13 17:59:30,913 INFO L895 garLoopResultBuilder]: At program point L404(lines 399 406) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:30,913 INFO L895 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:30,913 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:30,913 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-07-13 17:59:30,914 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-07-13 17:59:30,914 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L895 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:30,914 INFO L899 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2022-07-13 17:59:30,914 INFO L895 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:59:30,915 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:30,915 INFO L902 garLoopResultBuilder]: At program point L216(lines 155 220) the Hoare annotation is: true [2022-07-13 17:59:30,915 INFO L895 garLoopResultBuilder]: At program point L534(lines 530 536) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:59:30,915 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:59:30,915 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2022-07-13 17:59:30,915 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2022-07-13 17:59:30,915 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2022-07-13 17:59:30,915 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2022-07-13 17:59:30,917 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2022-07-13 17:59:30,917 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 423 434) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-07-13 17:59:30,921 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:30,923 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:30,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:30 BoogieIcfgContainer [2022-07-13 17:59:30,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:30,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:30,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:30,956 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:30,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:23" (3/4) ... [2022-07-13 17:59:30,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:30,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:30,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:30,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:59:30,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:30,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:30,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:30,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-13 17:59:30,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:30,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:30,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:30,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:30,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:30,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:30,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-07-13 17:59:30,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-07-13 17:59:30,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-13 17:59:30,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-07-13 17:59:30,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-07-13 17:59:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-13 17:59:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-07-13 17:59:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-07-13 17:59:30,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-07-13 17:59:30,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-07-13 17:59:30,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-07-13 17:59:30,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-07-13 17:59:30,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-07-13 17:59:30,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) [2022-07-13 17:59:30,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) [2022-07-13 17:59:31,015 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:31,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:31,018 INFO L158 Benchmark]: Toolchain (without parser) took 8016.06ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 55.7MB in the beginning and 140.6MB in the end (delta: -84.9MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,018 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:31,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.26ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 55.6MB in the beginning and 81.3MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.55ms. Allocated memory is still 115.3MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,019 INFO L158 Benchmark]: Boogie Preprocessor took 20.00ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 77.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:31,019 INFO L158 Benchmark]: RCFGBuilder took 391.17ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 61.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,019 INFO L158 Benchmark]: TraceAbstraction took 7149.45ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 51.8MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,020 INFO L158 Benchmark]: Witness Printer took 61.77ms. Allocated memory is still 167.8MB. Free memory was 51.8MB in the beginning and 140.6MB in the end (delta: -88.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-07-13 17:59:31,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.26ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 55.6MB in the beginning and 81.3MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.55ms. Allocated memory is still 115.3MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.00ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 77.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.17ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 61.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7149.45ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 51.8MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Witness Printer took 61.77ms. Allocated memory is still 167.8MB. Free memory was 51.8MB in the beginning and 140.6MB in the end (delta: -88.9MB). Peak memory consumption was 6.5MB. 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: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1140 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1112 mSDsluCounter, 3261 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2244 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1110 IncrementalHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 1017 mSDtfsCounter, 1110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=9, InterpolantAutomatonStates: 82, 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, 11 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1170 PreInvPairs, 1452 NumberOfFragments, 2096 HoareAnnotationTreeSize, 1170 FomulaSimplifications, 1730 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 38 FomulaSimplificationsInter, 17334 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 SizeOfPredicates, 5 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 503]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:31,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE