./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:23:53,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:23:53,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:23:54,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:23:54,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:23:54,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:23:54,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:23:54,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:23:54,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:23:54,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:23:54,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:23:54,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:23:54,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:23:54,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:23:54,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:23:54,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:23:54,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:23:54,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:23:54,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:23:54,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:23:54,064 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:23:54,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:23:54,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:23:54,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:23:54,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:23:54,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:23:54,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:23:54,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:23:54,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:23:54,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:23:54,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:23:54,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:23:54,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:23:54,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:23:54,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:23:54,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:23:54,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:23:54,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:23:54,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:23:54,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:23:54,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:23:54,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:23:54,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:23:54,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:23:54,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:23:54,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:23:54,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:23:54,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:23:54,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:23:54,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:23:54,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:23:54,102 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:23:54,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:23:54,103 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:23:54,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:23:54,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:23:54,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:23:54,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:23:54,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:23:54,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:23:54,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:23:54,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:23:54,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:23:54,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:23:54,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:23:54,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:23:54,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:23:54,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:54,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:23:54,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:23:54,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:23:54,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:23:54,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:23:54,107 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:23:54,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:23:54,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:23:54,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2022-07-19 17:23:54,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:23:54,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:23:54,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:23:54,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:23:54,300 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:23:54,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-19 17:23:54,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedb0190/9c5b27b17c8d42f69a8254fe133696a1/FLAGc379acdb0 [2022-07-19 17:23:54,729 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:23:54,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-07-19 17:23:54,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedb0190/9c5b27b17c8d42f69a8254fe133696a1/FLAGc379acdb0 [2022-07-19 17:23:54,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5aedb0190/9c5b27b17c8d42f69a8254fe133696a1 [2022-07-19 17:23:54,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:23:54,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:23:54,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:54,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:23:54,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:23:54,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:54" (1/1) ... [2022-07-19 17:23:54,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb43253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:54, skipping insertion in model container [2022-07-19 17:23:54,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:54" (1/1) ... [2022-07-19 17:23:54,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:23:54,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:23:54,956 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_spec2_product47.cil.c[1605,1618] [2022-07-19 17:23:55,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:55,078 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:23:55,088 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_spec2_product47.cil.c[1605,1618] [2022-07-19 17:23:55,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:55,129 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:23:55,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55 WrapperNode [2022-07-19 17:23:55,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:55,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:55,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:23:55,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:23:55,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,186 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 249 [2022-07-19 17:23:55,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:55,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:23:55,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:23:55,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:23:55,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:23:55,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:23:55,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:23:55,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:23:55,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (1/1) ... [2022-07-19 17:23:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:55,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:55,246 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) [2022-07-19 17:23:55,247 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 [2022-07-19 17:23:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:23:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:23:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:23:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:23:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:23:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:23:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:23:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:23:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:23:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:23:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:23:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:23:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:23:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:23:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:23:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:23:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:23:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:23:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:23:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:23:55,353 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:23:55,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:23:55,599 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:23:55,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:23:55,610 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:23:55,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:55 BoogieIcfgContainer [2022-07-19 17:23:55,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:23:55,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:23:55,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:23:55,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:23:55,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:23:54" (1/3) ... [2022-07-19 17:23:55,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e300763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:55, skipping insertion in model container [2022-07-19 17:23:55,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:55" (2/3) ... [2022-07-19 17:23:55,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e300763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:55, skipping insertion in model container [2022-07-19 17:23:55,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:55" (3/3) ... [2022-07-19 17:23:55,619 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2022-07-19 17:23:55,629 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:23:55,629 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:23:55,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:23:55,687 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@770f9270, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28b52b1f [2022-07-19 17:23:55,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:23:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-19 17:23:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:23:55,703 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:55,704 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] [2022-07-19 17:23:55,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash -320439114, now seen corresponding path program 1 times [2022-07-19 17:23:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:55,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750391847] [2022-07-19 17:23:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:23:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:55,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750391847] [2022-07-19 17:23:55,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750391847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:55,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:55,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:23:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883777698] [2022-07-19 17:23:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:55,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:23:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:55,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:23:55,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:55,932 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:55,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:55,986 INFO L93 Difference]: Finished difference Result 195 states and 264 transitions. [2022-07-19 17:23:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:23:55,987 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 [2022-07-19 17:23:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:55,995 INFO L225 Difference]: With dead ends: 195 [2022-07-19 17:23:55,995 INFO L226 Difference]: Without dead ends: 93 [2022-07-19 17:23:55,998 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 [2022-07-19 17:23:56,001 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2022-07-19 17:23:56,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-19 17:23:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-19 17:23:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-19 17:23:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2022-07-19 17:23:56,045 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 25 [2022-07-19 17:23:56,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:56,046 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2022-07-19 17:23:56,047 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) [2022-07-19 17:23:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2022-07-19 17:23:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 17:23:56,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:56,050 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] [2022-07-19 17:23:56,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:23:56,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:56,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:56,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1934434610, now seen corresponding path program 1 times [2022-07-19 17:23:56,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:56,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037381522] [2022-07-19 17:23:56,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:56,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:23:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:56,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:56,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037381522] [2022-07-19 17:23:56,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037381522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:56,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:56,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:56,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33107383] [2022-07-19 17:23:56,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:56,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:56,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:56,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:56,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:56,150 INFO L87 Difference]: Start difference. First operand 93 states and 120 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) [2022-07-19 17:23:56,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:56,167 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2022-07-19 17:23:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:56,168 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 [2022-07-19 17:23:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:56,171 INFO L225 Difference]: With dead ends: 147 [2022-07-19 17:23:56,171 INFO L226 Difference]: Without dead ends: 84 [2022-07-19 17:23:56,176 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 [2022-07-19 17:23:56,178 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 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 [2022-07-19 17:23:56,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:56,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-19 17:23:56,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-19 17:23:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:23:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-19 17:23:56,189 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 26 [2022-07-19 17:23:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:56,189 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-19 17:23:56,189 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) [2022-07-19 17:23:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-19 17:23:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 17:23:56,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:56,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:56,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:23:56,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:56,193 INFO L85 PathProgramCache]: Analyzing trace with hash -172475024, now seen corresponding path program 1 times [2022-07-19 17:23:56,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:56,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106670904] [2022-07-19 17:23:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:56,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:56,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106670904] [2022-07-19 17:23:56,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106670904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:56,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:56,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:56,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135563114] [2022-07-19 17:23:56,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:56,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:56,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:56,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:56,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:56,271 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:56,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:56,453 INFO L93 Difference]: Finished difference Result 278 states and 365 transitions. [2022-07-19 17:23:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:23:56,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-19 17:23:56,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:56,458 INFO L225 Difference]: With dead ends: 278 [2022-07-19 17:23:56,458 INFO L226 Difference]: Without dead ends: 202 [2022-07-19 17:23:56,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:23:56,465 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 288 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:56,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 468 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-07-19 17:23:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2022-07-19 17:23:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 161 states have internal predecessors, (194), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 23 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-19 17:23:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2022-07-19 17:23:56,493 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 30 [2022-07-19 17:23:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:56,493 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2022-07-19 17:23:56,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2022-07-19 17:23:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 17:23:56,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:56,494 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] [2022-07-19 17:23:56,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:23:56,494 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1019876102, now seen corresponding path program 1 times [2022-07-19 17:23:56,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:56,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70103508] [2022-07-19 17:23:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:56,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:56,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70103508] [2022-07-19 17:23:56,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70103508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:56,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:56,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:56,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747324634] [2022-07-19 17:23:56,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:56,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:56,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:56,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:56,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:56,564 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2022-07-19 17:23:56,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:56,640 INFO L93 Difference]: Finished difference Result 570 states and 759 transitions. [2022-07-19 17:23:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34 [2022-07-19 17:23:56,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:56,642 INFO L225 Difference]: With dead ends: 570 [2022-07-19 17:23:56,643 INFO L226 Difference]: Without dead ends: 382 [2022-07-19 17:23:56,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:23:56,644 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:56,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 532 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:56,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-19 17:23:56,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 373. [2022-07-19 17:23:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 268 states have (on average 1.335820895522388) internal successors, (358), 303 states have internal predecessors, (358), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 46 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-19 17:23:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 487 transitions. [2022-07-19 17:23:56,691 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 487 transitions. Word has length 34 [2022-07-19 17:23:56,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:56,692 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 487 transitions. [2022-07-19 17:23:56,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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) [2022-07-19 17:23:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 487 transitions. [2022-07-19 17:23:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:23:56,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:56,697 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] [2022-07-19 17:23:56,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:23:56,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:56,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:56,697 INFO L85 PathProgramCache]: Analyzing trace with hash 292189750, now seen corresponding path program 1 times [2022-07-19 17:23:56,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:56,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484499110] [2022-07-19 17:23:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:23:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:56,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:56,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484499110] [2022-07-19 17:23:56,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484499110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:56,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:56,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:56,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173650320] [2022-07-19 17:23:56,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:56,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:56,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:56,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:56,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:56,785 INFO L87 Difference]: Start difference. First operand 373 states and 487 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:23:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:57,008 INFO L93 Difference]: Finished difference Result 924 states and 1225 transitions. [2022-07-19 17:23:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:57,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 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 38 [2022-07-19 17:23:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:57,011 INFO L225 Difference]: With dead ends: 924 [2022-07-19 17:23:57,012 INFO L226 Difference]: Without dead ends: 559 [2022-07-19 17:23:57,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:23:57,014 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 129 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:57,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 203 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:23:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-07-19 17:23:57,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 540. [2022-07-19 17:23:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 391 states have (on average 1.2710997442455243) internal successors, (497), 428 states have internal predecessors, (497), 80 states have call successors, (80), 68 states have call predecessors, (80), 68 states have return successors, (105), 74 states have call predecessors, (105), 80 states have call successors, (105) [2022-07-19 17:23:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 682 transitions. [2022-07-19 17:23:57,050 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 682 transitions. Word has length 38 [2022-07-19 17:23:57,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:57,051 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 682 transitions. [2022-07-19 17:23:57,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:23:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 682 transitions. [2022-07-19 17:23:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:57,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:57,055 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, 1, 1, 1, 1, 1] [2022-07-19 17:23:57,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:23:57,055 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:57,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:57,056 INFO L85 PathProgramCache]: Analyzing trace with hash 363168403, now seen corresponding path program 1 times [2022-07-19 17:23:57,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:57,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209342094] [2022-07-19 17:23:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:57,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:57,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209342094] [2022-07-19 17:23:57,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209342094] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:57,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:57,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:23:57,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179000301] [2022-07-19 17:23:57,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:57,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:23:57,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:23:57,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:57,156 INFO L87 Difference]: Start difference. First operand 540 states and 682 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-19 17:23:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:57,527 INFO L93 Difference]: Finished difference Result 1772 states and 2353 transitions. [2022-07-19 17:23:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-19 17:23:57,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-19 17:23:57,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:57,533 INFO L225 Difference]: With dead ends: 1772 [2022-07-19 17:23:57,533 INFO L226 Difference]: Without dead ends: 1240 [2022-07-19 17:23:57,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-07-19 17:23:57,535 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 355 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:57,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 237 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 17:23:57,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-07-19 17:23:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1058. [2022-07-19 17:23:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 783 states have (on average 1.240102171136654) internal successors, (971), 836 states have internal predecessors, (971), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-19 17:23:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1337 transitions. [2022-07-19 17:23:57,573 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1337 transitions. Word has length 60 [2022-07-19 17:23:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:57,573 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1337 transitions. [2022-07-19 17:23:57,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-19 17:23:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1337 transitions. [2022-07-19 17:23:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:57,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:57,575 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, 1, 1, 1, 1, 1] [2022-07-19 17:23:57,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:23:57,575 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:57,575 INFO L85 PathProgramCache]: Analyzing trace with hash 435554961, now seen corresponding path program 1 times [2022-07-19 17:23:57,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:57,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423208285] [2022-07-19 17:23:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:57,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:57,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423208285] [2022-07-19 17:23:57,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423208285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:57,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:57,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:23:57,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598876461] [2022-07-19 17:23:57,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:57,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:23:57,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:57,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:23:57,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:57,626 INFO L87 Difference]: Start difference. First operand 1058 states and 1337 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:57,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:57,848 INFO L93 Difference]: Finished difference Result 2174 states and 2827 transitions. [2022-07-19 17:23:57,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:23:57,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-19 17:23:57,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:57,853 INFO L225 Difference]: With dead ends: 2174 [2022-07-19 17:23:57,853 INFO L226 Difference]: Without dead ends: 1124 [2022-07-19 17:23:57,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:23:57,858 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 136 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:57,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 223 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:23:57,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-07-19 17:23:57,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1082. [2022-07-19 17:23:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 807 states have (on average 1.2329615861214374) internal successors, (995), 860 states have internal predecessors, (995), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2022-07-19 17:23:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1361 transitions. [2022-07-19 17:23:57,895 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1361 transitions. Word has length 60 [2022-07-19 17:23:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:57,895 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1361 transitions. [2022-07-19 17:23:57,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1361 transitions. [2022-07-19 17:23:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:57,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:57,899 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, 1, 1, 1, 1, 1] [2022-07-19 17:23:57,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:23:57,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:57,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1137154835, now seen corresponding path program 1 times [2022-07-19 17:23:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:57,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745159262] [2022-07-19 17:23:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:57,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745159262] [2022-07-19 17:23:57,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745159262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:57,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:57,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217103031] [2022-07-19 17:23:57,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:57,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:57,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:57,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:57,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:57,962 INFO L87 Difference]: Start difference. First operand 1082 states and 1361 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:58,138 INFO L93 Difference]: Finished difference Result 1974 states and 2521 transitions. [2022-07-19 17:23:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-19 17:23:58,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:58,144 INFO L225 Difference]: With dead ends: 1974 [2022-07-19 17:23:58,144 INFO L226 Difference]: Without dead ends: 900 [2022-07-19 17:23:58,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:23:58,149 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 137 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:58,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 195 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2022-07-19 17:23:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 886. [2022-07-19 17:23:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 659 states have (on average 1.2154779969650986) internal successors, (801), 702 states have internal predecessors, (801), 120 states have call successors, (120), 100 states have call predecessors, (120), 106 states have return successors, (162), 116 states have call predecessors, (162), 120 states have call successors, (162) [2022-07-19 17:23:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1083 transitions. [2022-07-19 17:23:58,183 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1083 transitions. Word has length 60 [2022-07-19 17:23:58,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:58,184 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1083 transitions. [2022-07-19 17:23:58,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1083 transitions. [2022-07-19 17:23:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 17:23:58,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:58,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:58,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:23:58,186 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1046043951, now seen corresponding path program 1 times [2022-07-19 17:23:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:58,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550946921] [2022-07-19 17:23:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:23:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:23:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:23:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 17:23:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:23:58,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:58,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550946921] [2022-07-19 17:23:58,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550946921] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:58,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792019193] [2022-07-19 17:23:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:58,308 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) [2022-07-19 17:23:58,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:23:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:58,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:58,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:58,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:58,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792019193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:58,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:58,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-19 17:23:58,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419107475] [2022-07-19 17:23:58,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:58,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:58,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:58,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:58,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:58,588 INFO L87 Difference]: Start difference. First operand 886 states and 1083 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-19 17:23:58,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:58,735 INFO L93 Difference]: Finished difference Result 1738 states and 2130 transitions. [2022-07-19 17:23:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:58,736 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-07-19 17:23:58,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:58,739 INFO L225 Difference]: With dead ends: 1738 [2022-07-19 17:23:58,739 INFO L226 Difference]: Without dead ends: 860 [2022-07-19 17:23:58,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:58,740 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 71 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:58,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1050 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-07-19 17:23:58,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 856. [2022-07-19 17:23:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 635 states have (on average 1.1984251968503936) internal successors, (761), 676 states have internal predecessors, (761), 118 states have call successors, (118), 100 states have call predecessors, (118), 102 states have return successors, (143), 112 states have call predecessors, (143), 118 states have call successors, (143) [2022-07-19 17:23:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1022 transitions. [2022-07-19 17:23:58,765 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1022 transitions. Word has length 64 [2022-07-19 17:23:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:58,765 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1022 transitions. [2022-07-19 17:23:58,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-19 17:23:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1022 transitions. [2022-07-19 17:23:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-19 17:23:58,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:58,767 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:58,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:23:58,996 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 [2022-07-19 17:23:58,996 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:58,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2119698815, now seen corresponding path program 1 times [2022-07-19 17:23:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:58,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670004604] [2022-07-19 17:23:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:23:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:23:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:23:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:23:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:23:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:23:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:23:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-19 17:23:59,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:59,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670004604] [2022-07-19 17:23:59,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670004604] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:59,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784749459] [2022-07-19 17:23:59,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:59,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:59,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:59,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:23:59,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:23:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 17:23:59,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-19 17:23:59,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:59,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784749459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:59,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:59,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-19 17:23:59,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056715836] [2022-07-19 17:23:59,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:59,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:59,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:59,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:59,238 INFO L87 Difference]: Start difference. First operand 856 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 17:23:59,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:59,274 INFO L93 Difference]: Finished difference Result 1790 states and 2233 transitions. [2022-07-19 17:23:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:59,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-19 17:23:59,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:59,278 INFO L225 Difference]: With dead ends: 1790 [2022-07-19 17:23:59,278 INFO L226 Difference]: Without dead ends: 1186 [2022-07-19 17:23:59,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:59,280 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 34 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:59,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2022-07-19 17:23:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1176. [2022-07-19 17:23:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 867 states have (on average 1.2018454440599768) internal successors, (1042), 926 states have internal predecessors, (1042), 162 states have call successors, (162), 146 states have call predecessors, (162), 146 states have return successors, (236), 156 states have call predecessors, (236), 162 states have call successors, (236) [2022-07-19 17:23:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1440 transitions. [2022-07-19 17:23:59,329 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1440 transitions. Word has length 108 [2022-07-19 17:23:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:59,330 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1440 transitions. [2022-07-19 17:23:59,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 17:23:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1440 transitions. [2022-07-19 17:23:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-19 17:23:59,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:59,336 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:59,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:23:59,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 17:23:59,563 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:59,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:59,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1331262979, now seen corresponding path program 1 times [2022-07-19 17:23:59,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:59,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195710061] [2022-07-19 17:23:59,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:23:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:23:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:23:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:23:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:23:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:23:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:23:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:23:59,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:59,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195710061] [2022-07-19 17:23:59,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195710061] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:59,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525239025] [2022-07-19 17:23:59,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:59,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:59,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:59,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:23:59,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:23:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:59,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:59,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-19 17:23:59,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:59,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525239025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:59,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:59,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-19 17:23:59,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785459857] [2022-07-19 17:23:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:59,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:59,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:59,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:59,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:59,854 INFO L87 Difference]: Start difference. First operand 1176 states and 1440 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 17:23:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:59,958 INFO L93 Difference]: Finished difference Result 2016 states and 2496 transitions. [2022-07-19 17:23:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-19 17:23:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:59,959 INFO L225 Difference]: With dead ends: 2016 [2022-07-19 17:23:59,959 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:23:59,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-07-19 17:23:59,963 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:59,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 857 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:23:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:23:59,963 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) [2022-07-19 17:23:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:23:59,964 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-07-19 17:23:59,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:59,964 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:23:59,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-19 17:23:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:23:59,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:23:59,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:23:59,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 17:24:00,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:24:00,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:24:03,656 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-19 17:24:03,656 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2022-07-19 17:24:03,656 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2022-07-19 17:24:03,656 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2022-07-19 17:24:03,656 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2022-07-19 17:24:03,656 INFO L899 garLoopResultBuilder]: For program point L640-1(lines 636 647) no Hoare annotation was computed. [2022-07-19 17:24:03,657 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 636 647) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse1 (= 0 ~systemActive~0)))) [2022-07-19 17:24:03,657 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 636 647) no Hoare annotation was computed. [2022-07-19 17:24:03,657 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (not .cse6))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse4) (or .cse7 .cse2 .cse6 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse3 .cse2 .cse5) (or .cse1 .cse4 .cse6))))) [2022-07-19 17:24:03,657 INFO L895 garLoopResultBuilder]: At program point L787-1(lines 768 792) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0))) (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse12 (not .cse11))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 .cse12)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and .cse9 .cse10 .cse12)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse5) (or .cse0 .cse7 .cse2 .cse8) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse4) (or .cse9 .cse10 .cse3 .cse4 .cse11) (or .cse1 (and .cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse2 .cse11))))) [2022-07-19 17:24:03,657 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2022-07-19 17:24:03,657 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 710 733) no Hoare annotation was computed. [2022-07-19 17:24:03,657 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2022-07-19 17:24:03,657 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L895 garLoopResultBuilder]: At program point L482-1(lines 474 502) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse13 (not .cse8)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse12 .cse11)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse11 .cse1 .cse13)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse11)) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse12 .cse4) (or .cse0 .cse7 .cse2 .cse9) (or (and .cse10 .cse12 .cse13) (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13) .cse4 .cse8))))) [2022-07-19 17:24:03,658 INFO L895 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)) (or .cse0 (and .cse3 .cse4) .cse2) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (and .cse3 .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse5) (or .cse1 .cse5))) [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 713 732) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2022-07-19 17:24:03,658 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 612 623) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-19 17:24:03,658 INFO L895 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (and .cse1 (not .cse10))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse4) (or .cse0 .cse7 .cse8 .cse2) (or (and .cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse4 (and .cse9 .cse7) .cse10) (or .cse9 .cse7 .cse8 .cse2 .cse10)))) [2022-07-19 17:24:03,658 INFO L899 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-07-19 17:24:03,659 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 710 733) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse6 .cse1 .cse7) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse7) (or .cse4 .cse8 .cse1) (or .cse9 .cse1 .cse2) (or .cse4 .cse8 .cse5) (or .cse9 .cse5 .cse2))) [2022-07-19 17:24:03,659 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-07-19 17:24:03,659 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 710 733) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L895 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (or .cse0 .cse2) (or .cse4 .cse1 .cse3))) [2022-07-19 17:24:03,659 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-07-19 17:24:03,659 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L902 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: true [2022-07-19 17:24:03,659 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 506 535) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2022-07-19 17:24:03,659 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 506 535) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L902 garLoopResultBuilder]: At program point L531(lines 506 535) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-19 17:24:03,660 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-07-19 17:24:03,660 INFO L902 garLoopResultBuilder]: At program point L520-1(lines 520 524) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L899 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2022-07-19 17:24:03,660 INFO L902 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 648 656) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 648 656) no Hoare annotation was computed. [2022-07-19 17:24:03,660 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 648 656) no Hoare annotation was computed. [2022-07-19 17:24:03,660 INFO L902 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2022-07-19 17:24:03,660 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:03,661 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:24:03,661 INFO L895 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-19 17:24:03,661 INFO L902 garLoopResultBuilder]: At program point L978(lines 917 982) the Hoare annotation is: true [2022-07-19 17:24:03,661 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L895 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:03,662 INFO L895 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1))) [2022-07-19 17:24:03,662 INFO L895 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2022-07-19 17:24:03,662 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2022-07-19 17:24:03,663 INFO L902 garLoopResultBuilder]: At program point L579(lines 571 581) the Hoare annotation is: true [2022-07-19 17:24:03,663 INFO L895 garLoopResultBuilder]: At program point L963-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse3 .cse2 .cse4) (and .cse1 .cse2 .cse4))) [2022-07-19 17:24:03,663 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:03,663 INFO L895 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:03,663 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:24:03,663 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2022-07-19 17:24:03,663 INFO L899 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2022-07-19 17:24:03,663 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2022-07-19 17:24:03,664 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 599) no Hoare annotation was computed. [2022-07-19 17:24:03,664 INFO L895 garLoopResultBuilder]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-19 17:24:03,664 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-07-19 17:24:03,664 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 624 635) no Hoare annotation was computed. [2022-07-19 17:24:03,664 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 624 635) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2022-07-19 17:24:03,664 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 624 635) no Hoare annotation was computed. [2022-07-19 17:24:03,664 INFO L895 garLoopResultBuilder]: At program point L698(lines 689 702) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse11 (<= 2 ~waterLevel~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse4 .cse6 .cse10 .cse11)) (.cse0 (not .cse11)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse6 .cse10 .cse11)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse0 .cse9 .cse3) (or .cse7 .cse8 (and .cse5 .cse6) .cse9 .cse3)))) [2022-07-19 17:24:03,664 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) .cse7 .cse4) (or .cse1 (and .cse5 .cse6) .cse2 .cse4) (or .cse0 .cse7 .cse3 .cse4))) [2022-07-19 17:24:03,665 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2022-07-19 17:24:03,665 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2022-07-19 17:24:03,665 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2022-07-19 17:24:03,665 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) .cse2))) [2022-07-19 17:24:03,665 INFO L895 garLoopResultBuilder]: At program point L808-2(lines 801 817) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-19 17:24:03,665 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-07-19 17:24:03,665 INFO L895 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (let ((.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse6 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse8 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse9 (= 0 ~systemActive~0))) (and (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse2 .cse8 .cse4) .cse9)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse8) (and .cse0 .cse1 .cse3) (not (<= 1 ~methaneLevelCritical~0)) .cse9))) [2022-07-19 17:24:03,665 INFO L895 garLoopResultBuilder]: At program point L798(lines 793 800) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-19 17:24:03,666 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2022-07-19 17:24:03,666 INFO L899 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2022-07-19 17:24:03,666 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-07-19 17:24:03,666 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2022-07-19 17:24:03,666 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-07-19 17:24:03,666 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 742 766) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-07-19 17:24:03,666 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 742 766) no Hoare annotation was computed. [2022-07-19 17:24:03,666 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 826 836) the Hoare annotation is: true [2022-07-19 17:24:03,666 INFO L902 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: true [2022-07-19 17:24:03,667 INFO L899 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2022-07-19 17:24:03,667 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 826 836) no Hoare annotation was computed. [2022-07-19 17:24:03,667 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 826 836) no Hoare annotation was computed. [2022-07-19 17:24:03,669 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:03,670 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:24:03,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:24:03 BoogieIcfgContainer [2022-07-19 17:24:03,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:24:03,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:24:03,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:24:03,690 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:24:03,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:55" (3/4) ... [2022-07-19 17:24:03,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:24:03,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:24:03,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:24:03,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-19 17:24:03,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-19 17:24:03,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:24:03,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:24:03,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:24:03,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:24:03,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:03,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:24:03,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-19 17:24:03,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-19 17:24:03,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-19 17:24:03,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-19 17:24:03,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:24:03,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:24:03,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-19 17:24:03,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-19 17:24:03,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-19 17:24:03,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:24:03,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-07-19 17:24:03,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:24:03,739 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:24:03,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:24:03,740 INFO L158 Benchmark]: Toolchain (without parser) took 8988.16ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 74.1MB in the beginning and 125.4MB in the end (delta: -51.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,740 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:24:03,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.25ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 76.6MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.58ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,741 INFO L158 Benchmark]: Boogie Preprocessor took 35.64ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,741 INFO L158 Benchmark]: RCFGBuilder took 388.51ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 55.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,741 INFO L158 Benchmark]: TraceAbstraction took 8075.55ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 54.8MB in the beginning and 131.7MB in the end (delta: -76.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,741 INFO L158 Benchmark]: Witness Printer took 49.58ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 125.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:24:03,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.25ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 76.6MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.58ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.64ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.51ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 55.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8075.55ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 54.8MB in the beginning and 131.7MB in the end (delta: -76.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Witness Printer took 49.58ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 125.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1318 mSDsluCounter, 4348 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2926 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1689 IncrementalHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 1422 mSDtfsCounter, 1689 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 377 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1176occurred in iteration=10, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 286 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 3139 PreInvPairs, 3608 NumberOfFragments, 1917 HoareAnnotationTreeSize, 3139 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 20342 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1583 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1381 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 183/191 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || ((methaneLevelCritical == 0 && splverifierCounter == 0) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2022-07-19 17:24:03,777 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