./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product61.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_spec1_product61.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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:23:23,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:23:23,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:23:23,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:23:23,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:23:23,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:23:23,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:23:23,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:23:23,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:23:23,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:23:23,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:23:23,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:23:23,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:23:23,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:23:23,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:23:23,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:23:23,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:23:23,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:23:23,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:23:23,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:23:23,219 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:23:23,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:23:23,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:23:23,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:23:23,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:23:23,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:23:23,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:23:23,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:23:23,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:23:23,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:23:23,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:23:23,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:23:23,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:23:23,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:23:23,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:23:23,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:23:23,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:23:23,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:23:23,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:23:23,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:23:23,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:23:23,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:23:23,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:23:23,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:23:23,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:23:23,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:23:23,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:23:23,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:23:23,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:23:23,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:23:23,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:23:23,270 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:23:23,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:23:23,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:23:23,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:23:23,272 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:23:23,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:23:23,272 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:23:23,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:23:23,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:23:23,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:23:23,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:23:23,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:23,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:23:23,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:23:23,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:23:23,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:23:23,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:23:23,275 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:23:23,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:23:23,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:23:23,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2022-07-19 17:23:23,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:23:23,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:23:23,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:23:23,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:23:23,469 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:23:23,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2022-07-19 17:23:23,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d119ff1c2/593822d66e984d0c8072c73385e4e326/FLAG578b3d23d [2022-07-19 17:23:23,861 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:23:23,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2022-07-19 17:23:23,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d119ff1c2/593822d66e984d0c8072c73385e4e326/FLAG578b3d23d [2022-07-19 17:23:24,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d119ff1c2/593822d66e984d0c8072c73385e4e326 [2022-07-19 17:23:24,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:23:24,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:23:24,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:24,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:23:24,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:23:24,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c5709a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24, skipping insertion in model container [2022-07-19 17:23:24,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:23:24,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:23:24,411 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_spec1_product61.cil.c[3777,3790] [2022-07-19 17:23:24,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:24,488 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:23:24,518 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_spec1_product61.cil.c[3777,3790] [2022-07-19 17:23:24,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:24,578 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:23:24,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24 WrapperNode [2022-07-19 17:23:24,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:24,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:24,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:23:24,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:23:24,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,622 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 268 [2022-07-19 17:23:24,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:24,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:23:24,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:23:24,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:23:24,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:23:24,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:23:24,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:23:24,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:23:24,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (1/1) ... [2022-07-19 17:23:24,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:24,706 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 17:23:24,707 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 17:23:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:23:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:23:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:23:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:23:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:23:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:23:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:23:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:23:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:23:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:23:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:23:24,798 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:23:24,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:23:25,133 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:23:25,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:23:25,138 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:23:25,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:25 BoogieIcfgContainer [2022-07-19 17:23:25,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:23:25,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:23:25,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:23:25,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:23:25,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:23:24" (1/3) ... [2022-07-19 17:23:25,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202a2548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:25, skipping insertion in model container [2022-07-19 17:23:25,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:24" (2/3) ... [2022-07-19 17:23:25,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202a2548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:25, skipping insertion in model container [2022-07-19 17:23:25,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:25" (3/3) ... [2022-07-19 17:23:25,145 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2022-07-19 17:23:25,155 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:23:25,156 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:23:25,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:23:25,202 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@4c14b04e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@435c9e1c [2022-07-19 17:23:25,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:23:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 88 states have internal predecessors, (107), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-07-19 17:23:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 17:23:25,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:25,215 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] [2022-07-19 17:23:25,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:25,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:25,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1854857434, now seen corresponding path program 1 times [2022-07-19 17:23:25,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:25,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601742986] [2022-07-19 17:23:25,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,402 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 17:23:25,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:25,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601742986] [2022-07-19 17:23:25,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601742986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:25,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:25,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:23:25,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746652606] [2022-07-19 17:23:25,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:25,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:23:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:25,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:23:25,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:25,435 INFO L87 Difference]: Start difference. First operand has 108 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 88 states have internal predecessors, (107), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 17:23:25,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:25,478 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2022-07-19 17:23:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:23:25,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-07-19 17:23:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:25,493 INFO L225 Difference]: With dead ends: 208 [2022-07-19 17:23:25,493 INFO L226 Difference]: Without dead ends: 99 [2022-07-19 17:23:25,496 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 17:23:25,499 INFO L413 NwaCegarLoop]: 137 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, 137 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 17:23:25,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:25,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-07-19 17:23:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-07-19 17:23:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 80 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-19 17:23:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 128 transitions. [2022-07-19 17:23:25,545 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 128 transitions. Word has length 23 [2022-07-19 17:23:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:25,546 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 128 transitions. [2022-07-19 17:23:25,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 17:23:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2022-07-19 17:23:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-19 17:23:25,549 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:25,549 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] [2022-07-19 17:23:25,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:23:25,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:25,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:25,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1310134844, now seen corresponding path program 1 times [2022-07-19 17:23:25,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:25,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487275660] [2022-07-19 17:23:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:25,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:23:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,638 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 17:23:25,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:25,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487275660] [2022-07-19 17:23:25,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487275660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:25,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:25,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834374373] [2022-07-19 17:23:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:25,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:25,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:25,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:25,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:25,643 INFO L87 Difference]: Start difference. First operand 99 states and 128 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 17:23:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:25,656 INFO L93 Difference]: Finished difference Result 164 states and 212 transitions. [2022-07-19 17:23:25,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:25,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-07-19 17:23:25,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:25,658 INFO L225 Difference]: With dead ends: 164 [2022-07-19 17:23:25,658 INFO L226 Difference]: Without dead ends: 90 [2022-07-19 17:23:25,658 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 17:23:25,660 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 12 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 214 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 17:23:25,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-07-19 17:23:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-07-19 17:23:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 65 states have (on average 1.323076923076923) internal successors, (86), 74 states have internal predecessors, (86), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-19 17:23:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-07-19 17:23:25,667 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 24 [2022-07-19 17:23:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:25,667 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-07-19 17:23:25,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 17:23:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-07-19 17:23:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 17:23:25,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:25,668 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] [2022-07-19 17:23:25,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:23:25,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:25,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2011182624, now seen corresponding path program 1 times [2022-07-19 17:23:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:25,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800896180] [2022-07-19 17:23:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,765 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 17:23:25,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:25,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800896180] [2022-07-19 17:23:25,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800896180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:25,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:25,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:25,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485709177] [2022-07-19 17:23:25,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:25,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:25,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:25,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:25,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:25,768 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 17:23:25,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:25,783 INFO L93 Difference]: Finished difference Result 173 states and 226 transitions. [2022-07-19 17:23:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2022-07-19 17:23:25,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:25,784 INFO L225 Difference]: With dead ends: 173 [2022-07-19 17:23:25,784 INFO L226 Difference]: Without dead ends: 90 [2022-07-19 17:23:25,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:25,786 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 114 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 17:23:25,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:25,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-07-19 17:23:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-07-19 17:23:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 74 states have internal predecessors, (85), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-19 17:23:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-07-19 17:23:25,795 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 28 [2022-07-19 17:23:25,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:25,795 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-07-19 17:23:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 17:23:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2022-07-19 17:23:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-19 17:23:25,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:25,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:25,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:23:25,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:25,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:25,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1454995953, now seen corresponding path program 1 times [2022-07-19 17:23:25,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:25,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37533831] [2022-07-19 17:23:25,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 17:23:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:25,861 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 17:23:25,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:25,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37533831] [2022-07-19 17:23:25,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37533831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:25,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:25,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:25,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011822073] [2022-07-19 17:23:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:25,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:25,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:25,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:25,865 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:23:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,072 INFO L93 Difference]: Finished difference Result 258 states and 327 transitions. [2022-07-19 17:23:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:26,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2022-07-19 17:23:26,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,074 INFO L225 Difference]: With dead ends: 258 [2022-07-19 17:23:26,074 INFO L226 Difference]: Without dead ends: 175 [2022-07-19 17:23:26,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:23:26,076 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 213 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 312 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-07-19 17:23:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 169. [2022-07-19 17:23:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 123 states have (on average 1.2357723577235773) internal successors, (152), 132 states have internal predecessors, (152), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 203 transitions. [2022-07-19 17:23:26,088 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 203 transitions. Word has length 43 [2022-07-19 17:23:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,089 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 203 transitions. [2022-07-19 17:23:26,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:23:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 203 transitions. [2022-07-19 17:23:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-19 17:23:26,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:26,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:23:26,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash 541296903, now seen corresponding path program 1 times [2022-07-19 17:23:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711470730] [2022-07-19 17:23:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:23:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,150 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 17:23:26,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711470730] [2022-07-19 17:23:26,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711470730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:26,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474661013] [2022-07-19 17:23:26,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:26,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:26,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:26,152 INFO L87 Difference]: Start difference. First operand 169 states and 203 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:23:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,321 INFO L93 Difference]: Finished difference Result 185 states and 219 transitions. [2022-07-19 17:23:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:23:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2022-07-19 17:23:26,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,323 INFO L225 Difference]: With dead ends: 185 [2022-07-19 17:23:26,324 INFO L226 Difference]: Without dead ends: 183 [2022-07-19 17:23:26,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:23:26,325 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 149 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 434 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-07-19 17:23:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2022-07-19 17:23:26,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 123 states have (on average 1.2195121951219512) internal successors, (150), 132 states have internal predecessors, (150), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2022-07-19 17:23:26,346 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 49 [2022-07-19 17:23:26,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,346 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2022-07-19 17:23:26,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:23:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2022-07-19 17:23:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-19 17:23:26,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,352 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] [2022-07-19 17:23:26,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:23:26,353 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash -543497229, now seen corresponding path program 1 times [2022-07-19 17:23:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830146286] [2022-07-19 17:23:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,444 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 17:23:26,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830146286] [2022-07-19 17:23:26,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830146286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339176815] [2022-07-19 17:23:26,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:26,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:26,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:26,447 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 2 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 17:23:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,576 INFO L93 Difference]: Finished difference Result 341 states and 414 transitions. [2022-07-19 17:23:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:26,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 2 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 59 [2022-07-19 17:23:26,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,578 INFO L225 Difference]: With dead ends: 341 [2022-07-19 17:23:26,578 INFO L226 Difference]: Without dead ends: 179 [2022-07-19 17:23:26,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 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 17:23:26,579 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 76 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 402 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-19 17:23:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 172. [2022-07-19 17:23:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 126 states have (on average 1.2142857142857142) internal successors, (153), 135 states have internal predecessors, (153), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2022-07-19 17:23:26,588 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 59 [2022-07-19 17:23:26,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,588 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2022-07-19 17:23:26,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (6), 2 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 17:23:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2022-07-19 17:23:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-19 17:23:26,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,589 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] [2022-07-19 17:23:26,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:23:26,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -268737615, now seen corresponding path program 1 times [2022-07-19 17:23:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777464888] [2022-07-19 17:23:26,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,650 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 17:23:26,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777464888] [2022-07-19 17:23:26,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777464888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:26,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149700966] [2022-07-19 17:23:26,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:26,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:26,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:26,652 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 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 17:23:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,786 INFO L93 Difference]: Finished difference Result 350 states and 424 transitions. [2022-07-19 17:23:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:26,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 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 59 [2022-07-19 17:23:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,788 INFO L225 Difference]: With dead ends: 350 [2022-07-19 17:23:26,788 INFO L226 Difference]: Without dead ends: 185 [2022-07-19 17:23:26,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:23:26,789 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 177 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 308 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-07-19 17:23:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 174. [2022-07-19 17:23:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 128 states have (on average 1.2109375) internal successors, (155), 137 states have internal predecessors, (155), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 206 transitions. [2022-07-19 17:23:26,796 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 206 transitions. Word has length 59 [2022-07-19 17:23:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,797 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 206 transitions. [2022-07-19 17:23:26,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 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 17:23:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 206 transitions. [2022-07-19 17:23:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-19 17:23:26,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,799 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] [2022-07-19 17:23:26,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:23:26,799 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1782246383, now seen corresponding path program 1 times [2022-07-19 17:23:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551003658] [2022-07-19 17:23:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:23:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,867 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 17:23:26,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551003658] [2022-07-19 17:23:26,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551003658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:26,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898307941] [2022-07-19 17:23:26,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:26,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:26,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:26,868 INFO L87 Difference]: Start difference. First operand 174 states and 206 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-19 17:23:27,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:27,036 INFO L93 Difference]: Finished difference Result 465 states and 581 transitions. [2022-07-19 17:23:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:27,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 59 [2022-07-19 17:23:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:27,038 INFO L225 Difference]: With dead ends: 465 [2022-07-19 17:23:27,039 INFO L226 Difference]: Without dead ends: 298 [2022-07-19 17:23:27,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:27,040 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 217 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:27,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 337 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:27,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-07-19 17:23:27,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 296. [2022-07-19 17:23:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 218 states have (on average 1.2064220183486238) internal successors, (263), 231 states have internal predecessors, (263), 39 states have call successors, (39), 35 states have call predecessors, (39), 38 states have return successors, (58), 40 states have call predecessors, (58), 39 states have call successors, (58) [2022-07-19 17:23:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 360 transitions. [2022-07-19 17:23:27,053 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 360 transitions. Word has length 59 [2022-07-19 17:23:27,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:27,053 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 360 transitions. [2022-07-19 17:23:27,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-19 17:23:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 360 transitions. [2022-07-19 17:23:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-19 17:23:27,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:27,054 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] [2022-07-19 17:23:27,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:23:27,054 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:27,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:27,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1601702199, now seen corresponding path program 1 times [2022-07-19 17:23:27,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:27,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334972716] [2022-07-19 17:23:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:23:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 17:23:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,178 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 17:23:27,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:27,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334972716] [2022-07-19 17:23:27,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334972716] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:27,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:27,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:23:27,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891133617] [2022-07-19 17:23:27,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:27,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:23:27,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:27,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:23:27,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:23:27,180 INFO L87 Difference]: Start difference. First operand 296 states and 360 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:23:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:27,809 INFO L93 Difference]: Finished difference Result 916 states and 1158 transitions. [2022-07-19 17:23:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-19 17:23:27,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-07-19 17:23:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:27,814 INFO L225 Difference]: With dead ends: 916 [2022-07-19 17:23:27,814 INFO L226 Difference]: Without dead ends: 627 [2022-07-19 17:23:27,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-07-19 17:23:27,818 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 525 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:27,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 483 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 17:23:27,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-07-19 17:23:27,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 602. [2022-07-19 17:23:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 437 states have (on average 1.1807780320366132) internal successors, (516), 467 states have internal predecessors, (516), 86 states have call successors, (86), 68 states have call predecessors, (86), 78 states have return successors, (135), 86 states have call predecessors, (135), 86 states have call successors, (135) [2022-07-19 17:23:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 737 transitions. [2022-07-19 17:23:27,855 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 737 transitions. Word has length 63 [2022-07-19 17:23:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:27,855 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 737 transitions. [2022-07-19 17:23:27,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:23:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 737 transitions. [2022-07-19 17:23:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-19 17:23:27,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:27,862 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, 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, 1, 1, 1] [2022-07-19 17:23:27,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:23:27,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:27,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash -991857476, now seen corresponding path program 1 times [2022-07-19 17:23:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954075378] [2022-07-19 17:23:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:23:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:23:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:23:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 17:23:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:23:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:23:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:23:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:23:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:23:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-19 17:23:28,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954075378] [2022-07-19 17:23:28,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954075378] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:28,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616850688] [2022-07-19 17:23:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:28,068 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 17:23:28,069 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 17:23:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:28,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-19 17:23:28,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:28,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616850688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:28,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:28,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2022-07-19 17:23:28,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219138741] [2022-07-19 17:23:28,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:28,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:28,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:28,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:28,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-07-19 17:23:28,429 INFO L87 Difference]: Start difference. First operand 602 states and 737 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:28,562 INFO L93 Difference]: Finished difference Result 1199 states and 1470 transitions. [2022-07-19 17:23:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:28,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 125 [2022-07-19 17:23:28,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:28,565 INFO L225 Difference]: With dead ends: 1199 [2022-07-19 17:23:28,565 INFO L226 Difference]: Without dead ends: 604 [2022-07-19 17:23:28,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-07-19 17:23:28,568 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 78 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:28,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 665 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-07-19 17:23:28,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 602. [2022-07-19 17:23:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 437 states have (on average 1.1670480549199085) internal successors, (510), 467 states have internal predecessors, (510), 86 states have call successors, (86), 68 states have call predecessors, (86), 78 states have return successors, (122), 86 states have call predecessors, (122), 86 states have call successors, (122) [2022-07-19 17:23:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 718 transitions. [2022-07-19 17:23:28,595 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 718 transitions. Word has length 125 [2022-07-19 17:23:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 718 transitions. [2022-07-19 17:23:28,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 718 transitions. [2022-07-19 17:23:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-19 17:23:28,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:28,599 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:28,622 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 17:23:28,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 17:23:28,816 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:28,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1570194048, now seen corresponding path program 1 times [2022-07-19 17:23:28,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:28,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450986528] [2022-07-19 17:23:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:23:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:23:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 17:23:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:23:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:23:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:23:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:23:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:23:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:23:28,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450986528] [2022-07-19 17:23:28,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450986528] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:28,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484119626] [2022-07-19 17:23:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:28,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:28,967 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 17:23:28,968 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 17:23:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:29,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-19 17:23:29,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:29,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484119626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:29,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:29,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-07-19 17:23:29,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485260258] [2022-07-19 17:23:29,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:29,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:29,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:29,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-19 17:23:29,161 INFO L87 Difference]: Start difference. First operand 602 states and 718 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:29,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:29,260 INFO L93 Difference]: Finished difference Result 1027 states and 1241 transitions. [2022-07-19 17:23:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:29,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2022-07-19 17:23:29,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:29,261 INFO L225 Difference]: With dead ends: 1027 [2022-07-19 17:23:29,261 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:23:29,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-07-19 17:23:29,264 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 74 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 881 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 17:23:29,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 881 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:23:29,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:23:29,264 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 17:23:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:23:29,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2022-07-19 17:23:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:29,265 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:23:29,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:23:29,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:23:29,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:23:29,286 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 17:23:29,482 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,SelfDestructingSolverStorable10 [2022-07-19 17:23:29,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:23:31,583 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 473 480) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:23:31,583 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 473 480) no Hoare annotation was computed. [2022-07-19 17:23:31,583 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 473 480) no Hoare annotation was computed. [2022-07-19 17:23:31,583 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 363 369) no Hoare annotation was computed. [2022-07-19 17:23:31,583 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 363 369) the Hoare annotation is: true [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point L407(line 407) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 413) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 418) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse3 .cse0 .cse2))) [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 397 421) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point L571(lines 556 574) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L565-2(lines 565 569) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 397 421) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 397 421) no Hoare annotation was computed. [2022-07-19 17:23:31,584 INFO L895 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-19 17:23:31,584 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 122 133) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0) (or (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L217-1(lines 209 233) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse2 (not .cse6)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) .cse2 (and .cse3 .cse4 .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse5 .cse0) (and .cse5 .cse4 .cse0 .cse6))) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse5 .cse4 .cse6) (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse4 .cse1))))) [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 339 362) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L102-2(lines 98 109) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3)) (or .cse3 .cse1 .cse2))) [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L350-1(lines 350 356) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L437(line 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse3)) (or .cse3 .cse1 .cse2))) [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L429(line 429) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3)) (or .cse3 .cse1 .cse2))) [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L429-1(line 429) no Hoare annotation was computed. [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L442-1(lines 423 447) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse0 .cse1) .cse2 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse1 .cse4)) (or (and .cse1 .cse4) .cse2 (and .cse3 .cse0) (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) (and (<= 2 ~waterLevel~0) .cse4)))) [2022-07-19 17:23:31,585 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse0 .cse1) .cse2 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse1 .cse4)) (or (and .cse1 .cse4) .cse2 (and .cse3 .cse0) (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) (and (<= 2 ~waterLevel~0) .cse4)))) [2022-07-19 17:23:31,585 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 342 361) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L215-1(line 215) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L895 garLoopResultBuilder]: At program point L497(lines 492 500) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:23:31,586 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 339 362) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 439) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L895 garLoopResultBuilder]: At program point L204(lines 199 206) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 444) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 339 362) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 237 266) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 237 266) the Hoare annotation is: true [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point L251-1(lines 251 255) the Hoare annotation is: true [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point L247-2(lines 247 261) the Hoare annotation is: true [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L243-1(line 243) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point L262(lines 237 266) the Hoare annotation is: true [2022-07-19 17:23:31,586 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2022-07-19 17:23:31,586 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 134 142) the Hoare annotation is: true [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 134 142) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 327) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L320-2(lines 320 327) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 626) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L622-2(lines 616 627) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-19 17:23:31,587 INFO L902 garLoopResultBuilder]: At program point L329(lines 310 332) the Hoare annotation is: true [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L296(lines 292 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L902 garLoopResultBuilder]: At program point L635(lines 576 639) the Hoare annotation is: true [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L632(lines 585 633) the Hoare annotation is: false [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:23:31,587 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L587(lines 586 631) no Hoare annotation was computed. [2022-07-19 17:23:31,587 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 627) no Hoare annotation was computed. [2022-07-19 17:23:31,588 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-19 17:23:31,588 INFO L895 garLoopResultBuilder]: At program point L629(lines 586 631) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-19 17:23:31,588 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 602) no Hoare annotation was computed. [2022-07-19 17:23:31,589 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2022-07-19 17:23:31,589 INFO L902 garLoopResultBuilder]: At program point L307(lines 300 309) the Hoare annotation is: true [2022-07-19 17:23:31,589 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 592) no Hoare annotation was computed. [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 371 395) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or (not .cse1) .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4)))) [2022-07-19 17:23:31,589 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 469) no Hoare annotation was computed. [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L463-2(lines 456 472) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~5#1|) .cse3)))) [2022-07-19 17:23:31,589 INFO L899 garLoopResultBuilder]: For program point L461-1(line 461) no Hoare annotation was computed. [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L552(lines 537 555) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not .cse6)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~6#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4)))) [2022-07-19 17:23:31,589 INFO L895 garLoopResultBuilder]: At program point L453(lines 448 455) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) .cse2))) [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 550) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) .cse2)) (.cse1 (not .cse2))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)))))) [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L546-2(lines 546 550) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 371 395) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 387) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 392) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 371 395) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-07-19 17:23:31,590 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 481 491) the Hoare annotation is: true [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 481 491) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 481 491) no Hoare annotation was computed. [2022-07-19 17:23:31,590 INFO L902 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: true [2022-07-19 17:23:31,590 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2022-07-19 17:23:31,592 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:31,593 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:23:31,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:23:31 BoogieIcfgContainer [2022-07-19 17:23:31,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:23:31,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:23:31,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:23:31,616 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:23:31,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:25" (3/4) ... [2022-07-19 17:23:31,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:31,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-19 17:23:31,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-19 17:23:31,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:23:31,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:23:31,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:23:31,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:23:31,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:31,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:31,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:23:31,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) && ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-07-19 17:23:31,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp == 0)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && tmp == 0) && 1 == systemActive)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) [2022-07-19 17:23:31,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && 2 <= waterLevel)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:23:31,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-19 17:23:31,698 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:23:31,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:23:31,699 INFO L158 Benchmark]: Toolchain (without parser) took 7449.23ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 73.3MB in the beginning and 138.9MB in the end (delta: -65.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,699 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:31,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.80ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 72.6MB in the end (delta: 453.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.79ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,700 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 107.0MB. Free memory was 70.2MB in the beginning and 68.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,700 INFO L158 Benchmark]: RCFGBuilder took 467.31ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 68.5MB in the beginning and 103.7MB in the end (delta: -35.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,701 INFO L158 Benchmark]: TraceAbstraction took 6475.00ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 103.0MB in the beginning and 145.2MB in the end (delta: -42.3MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,701 INFO L158 Benchmark]: Witness Printer took 83.01ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 138.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:23:31,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.80ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 72.6MB in the end (delta: 453.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.79ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.83ms. Allocated memory is still 107.0MB. Free memory was 70.2MB in the beginning and 68.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.31ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 68.5MB in the beginning and 103.7MB in the end (delta: -35.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6475.00ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 103.0MB in the beginning and 145.2MB in the end (delta: -42.3MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * Witness Printer took 83.01ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 138.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 203]: 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 11 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1662 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1619 mSDsluCounter, 4287 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2785 mSDsCounter, 568 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1922 IncrementalHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 568 mSolverCounterUnsat, 1502 mSDtfsCounter, 1922 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 490 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=9, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 67 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 1409 PreInvPairs, 1605 NumberOfFragments, 1405 HoareAnnotationTreeSize, 1409 FomulaSimplifications, 58 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8847 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 899 NumberOfCodeBlocks, 899 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 1565 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1052 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 185/212 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: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp == 0)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && tmp == 0) && 1 == systemActive)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) && ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && 2 <= waterLevel)) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-19 17:23:31,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE