./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product46.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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:08:20,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:08:20,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:08:20,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:08:20,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:08:20,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:08:20,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:08:20,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:08:20,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:08:20,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:08:20,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:08:20,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:08:20,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:08:20,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:08:20,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:08:20,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:08:20,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:08:20,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:08:20,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:08:20,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:08:20,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:08:20,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:08:20,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:08:20,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:08:20,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:08:20,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:08:20,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:08:20,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:08:20,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:08:20,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:08:20,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:08:20,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:08:20,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:08:20,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:08:20,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:08:20,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:08:20,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:08:20,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:08:20,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:08:20,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:08:20,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:08:20,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:08:20,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:08:20,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:08:20,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:08:20,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:08:20,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:08:20,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:08:20,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:08:20,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:08:20,709 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:08:20,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:08:20,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:08:20,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:08:20,711 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:08:20,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:08:20,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:08:20,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:08:20,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:08:20,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:08:20,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:08:20,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:20,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:08:20,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:08:20,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:08:20,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:08:20,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:08:20,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:08:20,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:08:20,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:08:20,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:08:20,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2021-12-17 15:08:20,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:08:20,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:08:20,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:08:20,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:08:20,958 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:08:20,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-12-17 15:08:21,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc2724e8/5c6856a4679f4c049e33b5ad40d1e981/FLAGa77716059 [2021-12-17 15:08:21,425 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:08:21,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2021-12-17 15:08:21,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc2724e8/5c6856a4679f4c049e33b5ad40d1e981/FLAGa77716059 [2021-12-17 15:08:21,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc2724e8/5c6856a4679f4c049e33b5ad40d1e981 [2021-12-17 15:08:21,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:08:21,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:08:21,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:21,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:08:21,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:08:21,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:21" (1/1) ... [2021-12-17 15:08:21,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f840610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:21, skipping insertion in model container [2021-12-17 15:08:21,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:21" (1/1) ... [2021-12-17 15:08:21,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:08:21,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:08:22,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-12-17 15:08:22,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:22,158 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:08:22,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c[18431,18444] [2021-12-17 15:08:22,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:22,247 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:08:22,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22 WrapperNode [2021-12-17 15:08:22,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:22,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:22,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:08:22,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:08:22,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,313 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2021-12-17 15:08:22,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:22,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:08:22,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:08:22,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:08:22,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:08:22,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:08:22,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:08:22,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:08:22,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (1/1) ... [2021-12-17 15:08:22,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:22,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:22,384 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) [2021-12-17 15:08:22,391 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 [2021-12-17 15:08:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:08:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:08:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:08:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:08:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:08:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:08:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:08:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:08:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:08:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:08:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:08:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:08:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:08:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:08:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:08:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:08:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:08:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:08:22,484 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:08:22,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:08:22,717 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:08:22,724 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:08:22,724 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:08:22,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:22 BoogieIcfgContainer [2021-12-17 15:08:22,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:08:22,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:08:22,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:08:22,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:08:22,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:08:21" (1/3) ... [2021-12-17 15:08:22,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e67ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:22, skipping insertion in model container [2021-12-17 15:08:22,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:22" (2/3) ... [2021-12-17 15:08:22,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e67ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:22, skipping insertion in model container [2021-12-17 15:08:22,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:22" (3/3) ... [2021-12-17 15:08:22,734 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2021-12-17 15:08:22,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:08:22,738 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:08:22,794 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:08:22,803 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:08:22,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:08:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:08:22,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:08:22,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:22,846 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:22,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:22,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1887688965, now seen corresponding path program 1 times [2021-12-17 15:08:22,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:22,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092694442] [2021-12-17 15:08:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:08:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:23,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092694442] [2021-12-17 15:08:23,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092694442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:23,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:23,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:08:23,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685886945] [2021-12-17 15:08:23,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:23,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:08:23,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:23,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:08:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:08:23,162 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:23,211 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2021-12-17 15:08:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:08:23,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-17 15:08:23,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:23,221 INFO L225 Difference]: With dead ends: 184 [2021-12-17 15:08:23,221 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 15:08:23,224 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:08:23,227 INFO L933 BasicCegarLoop]: 121 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, 121 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 [2021-12-17 15:08:23,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:23,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 15:08:23,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 15:08:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-17 15:08:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-12-17 15:08:23,281 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2021-12-17 15:08:23,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:23,282 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-12-17 15:08:23,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-12-17 15:08:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:08:23,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:23,288 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:23,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:08:23,289 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:23,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2062523597, now seen corresponding path program 1 times [2021-12-17 15:08:23,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:23,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520904151] [2021-12-17 15:08:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:23,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:08:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:23,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:23,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520904151] [2021-12-17 15:08:23,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520904151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:23,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:23,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:08:23,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779996898] [2021-12-17 15:08:23,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:23,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:08:23,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:23,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:08:23,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:23,357 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:23,370 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2021-12-17 15:08:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:08:23,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-17 15:08:23,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:23,372 INFO L225 Difference]: With dead ends: 139 [2021-12-17 15:08:23,372 INFO L226 Difference]: Without dead ends: 78 [2021-12-17 15:08:23,373 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:08:23,374 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 181 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 [2021-12-17 15:08:23,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-17 15:08:23,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-17 15:08:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:08:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-17 15:08:23,392 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2021-12-17 15:08:23,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:23,393 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-17 15:08:23,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-17 15:08:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:08:23,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:23,397 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:23,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:08:23,398 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:23,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:23,399 INFO L85 PathProgramCache]: Analyzing trace with hash -89675643, now seen corresponding path program 1 times [2021-12-17 15:08:23,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:23,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697132528] [2021-12-17 15:08:23,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:23,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:23,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:23,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697132528] [2021-12-17 15:08:23,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697132528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:23,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:23,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:23,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930891795] [2021-12-17 15:08:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:23,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:23,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:23,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:23,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:23,544 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:23,660 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2021-12-17 15:08:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:08:23,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-17 15:08:23,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:23,662 INFO L225 Difference]: With dead ends: 149 [2021-12-17 15:08:23,663 INFO L226 Difference]: Without dead ends: 78 [2021-12-17 15:08:23,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:23,668 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 125 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:23,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 207 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:23,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-17 15:08:23,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-17 15:08:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:08:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2021-12-17 15:08:23,683 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 31 [2021-12-17 15:08:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:23,683 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2021-12-17 15:08:23,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2021-12-17 15:08:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:08:23,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:23,685 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:23,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:08:23,685 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:23,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:23,686 INFO L85 PathProgramCache]: Analyzing trace with hash -106405387, now seen corresponding path program 1 times [2021-12-17 15:08:23,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:23,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475335709] [2021-12-17 15:08:23,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:23,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:08:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:23,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:23,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475335709] [2021-12-17 15:08:23,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475335709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:23,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:23,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:08:23,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778374584] [2021-12-17 15:08:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:23,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:08:23,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:23,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:08:23,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:08:23,774 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:08:23,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:23,974 INFO L93 Difference]: Finished difference Result 233 states and 295 transitions. [2021-12-17 15:08:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:08:23,975 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), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2021-12-17 15:08:23,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:23,976 INFO L225 Difference]: With dead ends: 233 [2021-12-17 15:08:23,976 INFO L226 Difference]: Without dead ends: 162 [2021-12-17 15:08:23,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:23,981 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 187 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:23,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 316 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:08:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-17 15:08:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2021-12-17 15:08:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.2605042016806722) internal successors, (150), 127 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2021-12-17 15:08:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2021-12-17 15:08:23,997 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 41 [2021-12-17 15:08:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:23,998 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2021-12-17 15:08:23,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 15:08:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2021-12-17 15:08:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-17 15:08:23,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:24,000 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:24,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:08:24,000 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:24,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -822814067, now seen corresponding path program 1 times [2021-12-17 15:08:24,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:24,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475576756] [2021-12-17 15:08:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:24,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-17 15:08:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:24,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:24,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475576756] [2021-12-17 15:08:24,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475576756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:24,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:24,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:24,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090328108] [2021-12-17 15:08:24,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:24,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:24,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:24,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:24,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:24,123 INFO L87 Difference]: Start difference. First operand 156 states and 191 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:08:24,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:24,341 INFO L93 Difference]: Finished difference Result 405 states and 515 transitions. [2021-12-17 15:08:24,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:08:24,342 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2021-12-17 15:08:24,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:24,347 INFO L225 Difference]: With dead ends: 405 [2021-12-17 15:08:24,347 INFO L226 Difference]: Without dead ends: 256 [2021-12-17 15:08:24,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:08:24,354 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 138 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:24,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 385 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:24,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-12-17 15:08:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 248. [2021-12-17 15:08:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 200 states have internal predecessors, (236), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2021-12-17 15:08:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 306 transitions. [2021-12-17 15:08:24,398 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 306 transitions. Word has length 47 [2021-12-17 15:08:24,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:24,398 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 306 transitions. [2021-12-17 15:08:24,399 INFO L471 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:08:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 306 transitions. [2021-12-17 15:08:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:08:24,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:24,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:24,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:08:24,406 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:24,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:24,407 INFO L85 PathProgramCache]: Analyzing trace with hash 688456935, now seen corresponding path program 1 times [2021-12-17 15:08:24,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:24,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192374850] [2021-12-17 15:08:24,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:24,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 15:08:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:24,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:24,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192374850] [2021-12-17 15:08:24,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192374850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:24,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:24,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:08:24,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247755964] [2021-12-17 15:08:24,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:24,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:08:24,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:24,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:08:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:24,506 INFO L87 Difference]: Start difference. First operand 248 states and 306 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:08:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:24,917 INFO L93 Difference]: Finished difference Result 606 states and 779 transitions. [2021-12-17 15:08:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-17 15:08:24,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2021-12-17 15:08:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:24,921 INFO L225 Difference]: With dead ends: 606 [2021-12-17 15:08:24,921 INFO L226 Difference]: Without dead ends: 457 [2021-12-17 15:08:24,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2021-12-17 15:08:24,926 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 382 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:24,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [387 Valid, 390 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:08:24,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-12-17 15:08:24,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 411. [2021-12-17 15:08:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 332 states have internal predecessors, (382), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2021-12-17 15:08:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 509 transitions. [2021-12-17 15:08:24,982 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 509 transitions. Word has length 51 [2021-12-17 15:08:24,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:24,982 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 509 transitions. [2021-12-17 15:08:24,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:08:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 509 transitions. [2021-12-17 15:08:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:08:24,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:24,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:24,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:08:24,985 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:24,985 INFO L85 PathProgramCache]: Analyzing trace with hash 554443429, now seen corresponding path program 1 times [2021-12-17 15:08:24,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:24,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698666701] [2021-12-17 15:08:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:24,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 15:08:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:25,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:25,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698666701] [2021-12-17 15:08:25,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698666701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:25,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:25,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:25,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70346458] [2021-12-17 15:08:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:25,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:25,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:25,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:25,041 INFO L87 Difference]: Start difference. First operand 411 states and 509 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:25,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:25,265 INFO L93 Difference]: Finished difference Result 761 states and 949 transitions. [2021-12-17 15:08:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 15:08:25,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-17 15:08:25,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:25,269 INFO L225 Difference]: With dead ends: 761 [2021-12-17 15:08:25,269 INFO L226 Difference]: Without dead ends: 445 [2021-12-17 15:08:25,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:08:25,275 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 161 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:25,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 360 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-12-17 15:08:25,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2021-12-17 15:08:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 332 states have internal predecessors, (381), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2021-12-17 15:08:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 508 transitions. [2021-12-17 15:08:25,304 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 508 transitions. Word has length 51 [2021-12-17 15:08:25,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:25,305 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 508 transitions. [2021-12-17 15:08:25,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 508 transitions. [2021-12-17 15:08:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:08:25,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:25,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:25,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:08:25,307 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:25,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash 773298147, now seen corresponding path program 1 times [2021-12-17 15:08:25,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:25,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089122551] [2021-12-17 15:08:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:25,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-17 15:08:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:25,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:25,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089122551] [2021-12-17 15:08:25,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089122551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:25,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:25,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:08:25,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979886858] [2021-12-17 15:08:25,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:25,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:08:25,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:25,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:08:25,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:08:25,396 INFO L87 Difference]: Start difference. First operand 411 states and 508 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:25,582 INFO L93 Difference]: Finished difference Result 844 states and 1055 transitions. [2021-12-17 15:08:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:08:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-17 15:08:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:25,584 INFO L225 Difference]: With dead ends: 844 [2021-12-17 15:08:25,585 INFO L226 Difference]: Without dead ends: 440 [2021-12-17 15:08:25,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:08:25,586 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 163 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:25,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 413 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-17 15:08:25,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 414. [2021-12-17 15:08:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 317 states have (on average 1.2145110410094637) internal successors, (385), 336 states have internal predecessors, (385), 49 states have call successors, (49), 38 states have call predecessors, (49), 47 states have return successors, (76), 50 states have call predecessors, (76), 49 states have call successors, (76) [2021-12-17 15:08:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 510 transitions. [2021-12-17 15:08:25,609 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 510 transitions. Word has length 51 [2021-12-17 15:08:25,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:25,610 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 510 transitions. [2021-12-17 15:08:25,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 510 transitions. [2021-12-17 15:08:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 15:08:25,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:25,611 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:25,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:08:25,612 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:25,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:25,612 INFO L85 PathProgramCache]: Analyzing trace with hash 271087281, now seen corresponding path program 1 times [2021-12-17 15:08:25,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:25,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770339915] [2021-12-17 15:08:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:25,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-17 15:08:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:08:25,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:25,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770339915] [2021-12-17 15:08:25,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770339915] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:08:25,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367722663] [2021-12-17 15:08:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:25,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:25,703 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) [2021-12-17 15:08:25,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:08:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:25,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-17 15:08:25,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:08:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:26,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:08:26,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367722663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:26,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:08:26,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-17 15:08:26,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980493587] [2021-12-17 15:08:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:26,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:08:26,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:08:26,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:08:26,118 INFO L87 Difference]: Start difference. First operand 414 states and 510 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:26,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:26,245 INFO L93 Difference]: Finished difference Result 1211 states and 1518 transitions. [2021-12-17 15:08:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:08:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-17 15:08:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:26,249 INFO L225 Difference]: With dead ends: 1211 [2021-12-17 15:08:26,250 INFO L226 Difference]: Without dead ends: 804 [2021-12-17 15:08:26,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:08:26,252 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 58 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:26,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 581 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:26,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2021-12-17 15:08:26,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 802. [2021-12-17 15:08:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.2026143790849673) internal successors, (736), 646 states have internal predecessors, (736), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (154), 98 states have call predecessors, (154), 97 states have call successors, (154) [2021-12-17 15:08:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 987 transitions. [2021-12-17 15:08:26,294 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 987 transitions. Word has length 60 [2021-12-17 15:08:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:26,294 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 987 transitions. [2021-12-17 15:08:26,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 987 transitions. [2021-12-17 15:08:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 15:08:26,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:26,296 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:26,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:08:26,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:26,521 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:26,521 INFO L85 PathProgramCache]: Analyzing trace with hash -907258435, now seen corresponding path program 1 times [2021-12-17 15:08:26,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:26,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719897857] [2021-12-17 15:08:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:26,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-17 15:08:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:08:26,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:26,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719897857] [2021-12-17 15:08:26,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719897857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:26,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:26,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:08:26,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680637931] [2021-12-17 15:08:26,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:26,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:08:26,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:26,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:08:26,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:08:26,615 INFO L87 Difference]: Start difference. First operand 802 states and 987 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:27,027 INFO L93 Difference]: Finished difference Result 1620 states and 1989 transitions. [2021-12-17 15:08:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 15:08:27,028 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2021-12-17 15:08:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:27,032 INFO L225 Difference]: With dead ends: 1620 [2021-12-17 15:08:27,032 INFO L226 Difference]: Without dead ends: 825 [2021-12-17 15:08:27,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-12-17 15:08:27,035 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 300 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:27,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 714 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:08:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2021-12-17 15:08:27,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 802. [2021-12-17 15:08:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.1862745098039216) internal successors, (726), 646 states have internal predecessors, (726), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (139), 98 states have call predecessors, (139), 97 states have call successors, (139) [2021-12-17 15:08:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 962 transitions. [2021-12-17 15:08:27,082 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 962 transitions. Word has length 61 [2021-12-17 15:08:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:27,082 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 962 transitions. [2021-12-17 15:08:27,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 962 transitions. [2021-12-17 15:08:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 15:08:27,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:27,086 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:27,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 15:08:27,086 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:27,087 INFO L85 PathProgramCache]: Analyzing trace with hash -662505803, now seen corresponding path program 1 times [2021-12-17 15:08:27,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:27,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966821239] [2021-12-17 15:08:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:27,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:08:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:08:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-17 15:08:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:08:27,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:27,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966821239] [2021-12-17 15:08:27,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966821239] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:27,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:27,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-17 15:08:27,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538104082] [2021-12-17 15:08:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:27,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-17 15:08:27,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-17 15:08:27,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:08:27,212 INFO L87 Difference]: Start difference. First operand 802 states and 962 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:28,085 INFO L93 Difference]: Finished difference Result 1598 states and 1936 transitions. [2021-12-17 15:08:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-17 15:08:28,086 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2021-12-17 15:08:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:28,090 INFO L225 Difference]: With dead ends: 1598 [2021-12-17 15:08:28,090 INFO L226 Difference]: Without dead ends: 803 [2021-12-17 15:08:28,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2021-12-17 15:08:28,094 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 292 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:28,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 523 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 15:08:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-12-17 15:08:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 770. [2021-12-17 15:08:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1551724137931034) internal successors, (670), 614 states have internal predecessors, (670), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2021-12-17 15:08:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 900 transitions. [2021-12-17 15:08:28,147 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 900 transitions. Word has length 64 [2021-12-17 15:08:28,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:28,148 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 900 transitions. [2021-12-17 15:08:28,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 900 transitions. [2021-12-17 15:08:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-17 15:08:28,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:28,152 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:28,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 15:08:28,153 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:28,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060045, now seen corresponding path program 1 times [2021-12-17 15:08:28,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:28,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547089700] [2021-12-17 15:08:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:28,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:08:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:08:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:08:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 15:08:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-17 15:08:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-17 15:08:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-17 15:08:28,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:28,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547089700] [2021-12-17 15:08:28,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547089700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:28,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:28,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:08:28,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258622427] [2021-12-17 15:08:28,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:28,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:08:28,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:28,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:08:28,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:28,267 INFO L87 Difference]: Start difference. First operand 770 states and 900 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:28,456 INFO L93 Difference]: Finished difference Result 1537 states and 1816 transitions. [2021-12-17 15:08:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:08:28,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2021-12-17 15:08:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:28,460 INFO L225 Difference]: With dead ends: 1537 [2021-12-17 15:08:28,461 INFO L226 Difference]: Without dead ends: 774 [2021-12-17 15:08:28,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:08:28,463 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 132 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:28,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 407 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2021-12-17 15:08:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 770. [2021-12-17 15:08:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1482758620689655) internal successors, (666), 614 states have internal predecessors, (666), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2021-12-17 15:08:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 896 transitions. [2021-12-17 15:08:28,500 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 896 transitions. Word has length 99 [2021-12-17 15:08:28,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:28,500 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 896 transitions. [2021-12-17 15:08:28,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 896 transitions. [2021-12-17 15:08:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-17 15:08:28,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:28,503 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:28,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 15:08:28,504 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:28,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:28,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1306684405, now seen corresponding path program 1 times [2021-12-17 15:08:28,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:28,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154771299] [2021-12-17 15:08:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:28,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:08:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:08:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:08:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-17 15:08:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-17 15:08:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-17 15:08:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 15:08:28,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:28,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154771299] [2021-12-17 15:08:28,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154771299] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:08:28,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214163786] [2021-12-17 15:08:28,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:28,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:28,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:28,671 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) [2021-12-17 15:08:28,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:08:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:28,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 15:08:28,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:08:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-17 15:08:28,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:08:28,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214163786] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:28,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:08:28,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2021-12-17 15:08:28,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735459038] [2021-12-17 15:08:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:28,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 15:08:28,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:28,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 15:08:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:08:28,925 INFO L87 Difference]: Start difference. First operand 770 states and 896 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:28,964 INFO L93 Difference]: Finished difference Result 1389 states and 1635 transitions. [2021-12-17 15:08:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 15:08:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2021-12-17 15:08:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:28,968 INFO L225 Difference]: With dead ends: 1389 [2021-12-17 15:08:28,968 INFO L226 Difference]: Without dead ends: 626 [2021-12-17 15:08:28,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:08:28,970 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:28,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 282 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2021-12-17 15:08:28,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2021-12-17 15:08:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 470 states have (on average 1.148936170212766) internal successors, (540), 498 states have internal predecessors, (540), 81 states have call successors, (81), 64 states have call predecessors, (81), 74 states have return successors, (103), 78 states have call predecessors, (103), 81 states have call successors, (103) [2021-12-17 15:08:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 724 transitions. [2021-12-17 15:08:28,997 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 724 transitions. Word has length 99 [2021-12-17 15:08:28,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:28,997 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 724 transitions. [2021-12-17 15:08:28,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 724 transitions. [2021-12-17 15:08:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-17 15:08:28,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:28,999 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:29,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:08:29,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 15:08:29,216 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:29,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1686740425, now seen corresponding path program 1 times [2021-12-17 15:08:29,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:29,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391904125] [2021-12-17 15:08:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:29,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:08:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:08:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-17 15:08:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-17 15:08:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 15:08:29,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:29,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391904125] [2021-12-17 15:08:29,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391904125] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:08:29,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412642933] [2021-12-17 15:08:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:29,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:29,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:08:29,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 15:08:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:29,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 15:08:29,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:08:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 15:08:29,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:08:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-17 15:08:29,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412642933] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:08:29,984 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:08:29,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2021-12-17 15:08:29,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522970616] [2021-12-17 15:08:29,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:08:29,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-17 15:08:29,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:29,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-17 15:08:29,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-12-17 15:08:29,986 INFO L87 Difference]: Start difference. First operand 626 states and 724 transitions. Second operand has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2021-12-17 15:08:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:31,092 INFO L93 Difference]: Finished difference Result 1312 states and 1568 transitions. [2021-12-17 15:08:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-12-17 15:08:31,093 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 99 [2021-12-17 15:08:31,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:31,094 INFO L225 Difference]: With dead ends: 1312 [2021-12-17 15:08:31,094 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:08:31,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 210 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1065, Invalid=3627, Unknown=0, NotChecked=0, Total=4692 [2021-12-17 15:08:31,098 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 912 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:31,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 649 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 15:08:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:08:31,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:08:31,099 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) [2021-12-17 15:08:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:08:31,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2021-12-17 15:08:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:31,100 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:08:31,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2021-12-17 15:08:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:08:31,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:08:31,103 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:08:31,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 15:08:31,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:31,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:08:35,754 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2021-12-17 15:08:35,755 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2021-12-17 15:08:35,755 INFO L858 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2021-12-17 15:08:35,755 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse7 .cse2 .cse4) (or .cse6 .cse5 .cse7 .cse2 .cse4))) [2021-12-17 15:08:35,755 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2021-12-17 15:08:35,756 INFO L854 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse7 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 .cse10 .cse11 .cse8 .cse13 .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse13)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse6 .cse0 (and .cse7 .cse8 (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse3 (and .cse7 .cse9 .cse10 .cse11 .cse12) (and .cse7 .cse9 .cse10 .cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse5)) (or .cse6 .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)))))) [2021-12-17 15:08:35,757 INFO L854 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0) (not (= 0 |timeShift_isPumpRunning_#res#1|))) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse3 (not (<= |old(~waterLevel~0)| 1))))) [2021-12-17 15:08:35,757 INFO L858 garLoopResultBuilder]: For program point L700-1(lines 699 718) no Hoare annotation was computed. [2021-12-17 15:08:35,757 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2021-12-17 15:08:35,757 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2021-12-17 15:08:35,757 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-12-17 15:08:35,758 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2021-12-17 15:08:35,758 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2021-12-17 15:08:35,758 INFO L854 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 1)) (.cse0 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse17 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (not (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse0 .cse2 .cse3 .cse4 .cse17 .cse18 .cse9)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse18)) (.cse10 (not .cse5))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9) .cse10 .cse11) (or .cse12 .cse13 .cse8 .cse10 .cse14) (or .cse7 (and .cse15 .cse2 .cse9) .cse16 .cse10 (and .cse15 .cse2 .cse5 .cse6) .cse11) (or .cse1 .cse16 .cse10 .cse14 .cse11) (or .cse7 .cse16 .cse13 (and .cse15 .cse17 .cse9) .cse10) (or .cse7 .cse12 .cse13 (and .cse0 .cse17 (<= 1 ~pumpRunning~0)) .cse8 .cse10)))) [2021-12-17 15:08:35,758 INFO L854 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= ~systemActive~0 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse11 .cse6 .cse14 .cse12 .cse13 .cse9)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not .cse14)) (.cse2 (not .cse13)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 (<= 1 ~pumpRunning~0)) .cse7 .cse1 .cse8 .cse2) (or .cse5 (and .cse6 .cse9) .cse10 .cse7 .cse2) (or .cse7 .cse1 .cse8 .cse2 .cse3) (or .cse5 .cse10 (and .cse0 .cse11 .cse12) (and .cse0 .cse11 .cse9) .cse2 .cse4) (or .cse5 (and .cse11 .cse9) .cse1 .cse2 .cse4 (and .cse11 .cse12))))) [2021-12-17 15:08:35,758 INFO L858 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2021-12-17 15:08:35,759 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-12-17 15:08:35,759 INFO L854 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse7 .cse1 .cse2) (or .cse5 .cse8 .cse7 .cse2) (or .cse5 .cse8 .cse2 .cse6 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4))) [2021-12-17 15:08:35,759 INFO L854 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse6 .cse5 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-12-17 15:08:35,759 INFO L854 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse7 .cse1 .cse2) (or .cse5 .cse8 .cse7 .cse2) (or .cse5 .cse8 .cse2 .cse6 .cse4) (or .cse0 .cse8 .cse2 .cse3 .cse4))) [2021-12-17 15:08:35,760 INFO L854 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse1 .cse2 .cse3 (and .cse5 .cse6)) (or .cse4 .cse7 .cse1 .cse2) (or .cse4 .cse8 .cse7 .cse2) (or .cse4 .cse8 (and .cse0 .cse5 .cse6) .cse2 .cse3))) [2021-12-17 15:08:35,760 INFO L858 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2021-12-17 15:08:35,760 INFO L858 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2021-12-17 15:08:35,760 INFO L854 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse3))) [2021-12-17 15:08:35,760 INFO L854 garLoopResultBuilder]: At program point L773-1(lines 754 778) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= ~systemActive~0 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse11 .cse6 .cse14 .cse12 .cse13 .cse9)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not .cse14)) (.cse2 (not .cse13)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 (<= 1 ~pumpRunning~0)) .cse7 .cse1 .cse8 .cse2) (or .cse5 (and .cse6 .cse9) .cse10 .cse7 .cse2) (or .cse7 .cse1 .cse8 .cse2 .cse3) (or .cse5 .cse10 (and .cse0 .cse11 .cse12) (and .cse0 .cse11 .cse9) .cse2 .cse4) (or .cse5 (and .cse11 .cse9) .cse1 .cse2 .cse4 (and .cse11 .cse12))))) [2021-12-17 15:08:35,760 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2021-12-17 15:08:35,760 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2021-12-17 15:08:35,761 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (and .cse8 (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse4 .cse7) (or .cse0 .cse6 .cse2 .cse4 .cse7)))) [2021-12-17 15:08:35,761 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2021-12-17 15:08:35,761 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2021-12-17 15:08:35,761 INFO L854 garLoopResultBuilder]: At program point L968(lines 963 970) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse2 .cse3))) [2021-12-17 15:08:35,761 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2021-12-17 15:08:35,761 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2021-12-17 15:08:35,762 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-12-17 15:08:35,762 INFO L861 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2021-12-17 15:08:35,762 INFO L858 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2021-12-17 15:08:35,762 INFO L861 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2021-12-17 15:08:35,762 INFO L861 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2021-12-17 15:08:35,762 INFO L858 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2021-12-17 15:08:35,762 INFO L861 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2021-12-17 15:08:35,763 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-17 15:08:35,763 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2021-12-17 15:08:35,763 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2021-12-17 15:08:35,763 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2021-12-17 15:08:35,763 INFO L858 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-12-17 15:08:35,764 INFO L854 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse8 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse2 .cse4 .cse5 .cse7 .cse6 .cse8))) [2021-12-17 15:08:35,764 INFO L858 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2021-12-17 15:08:35,764 INFO L854 garLoopResultBuilder]: At program point L106(lines 102 108) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:35,764 INFO L858 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-12-17 15:08:35,764 INFO L854 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse8 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse2 .cse4 .cse5 .cse7 .cse6 .cse8))) [2021-12-17 15:08:35,764 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:08:35,764 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:08:35,764 INFO L861 garLoopResultBuilder]: At program point L957(lines 896 961) the Hoare annotation is: true [2021-12-17 15:08:35,765 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:08:35,765 INFO L858 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2021-12-17 15:08:35,765 INFO L858 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2021-12-17 15:08:35,765 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-12-17 15:08:35,766 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:08:35,766 INFO L854 garLoopResultBuilder]: At program point L892(lines 887 894) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse8 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse2 .cse4 .cse5 .cse7 .cse6 .cse8))) [2021-12-17 15:08:35,766 INFO L854 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2021-12-17 15:08:35,766 INFO L861 garLoopResultBuilder]: At program point L566(lines 559 568) the Hoare annotation is: true [2021-12-17 15:08:35,767 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2021-12-17 15:08:35,767 INFO L858 garLoopResultBuilder]: For program point L579-2(lines 579 586) no Hoare annotation was computed. [2021-12-17 15:08:35,767 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-12-17 15:08:35,767 INFO L858 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2021-12-17 15:08:35,768 INFO L854 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:35,768 INFO L854 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse9 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse4 .cse6 .cse9) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse6 .cse9))) [2021-12-17 15:08:35,768 INFO L854 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse9 (<= ~waterLevel~0 2)) (.cse7 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse7 .cse8 .cse4) (and .cse0 .cse2 .cse3 .cse6 .cse9 .cse7 .cse4) (and .cse0 .cse3 .cse9 .cse7 .cse8 .cse4 .cse5))) [2021-12-17 15:08:35,768 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:35,768 INFO L861 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2021-12-17 15:08:35,768 INFO L854 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~4#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:35,769 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2021-12-17 15:08:35,769 INFO L858 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2021-12-17 15:08:35,769 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse7 .cse2 .cse4) (or .cse7 .cse1 .cse2 .cse4 .cse6))) [2021-12-17 15:08:35,769 INFO L854 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not .cse10)) (.cse1 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) .cse10 .cse9)) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) .cse9)) (.cse6 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse7 .cse4) (or .cse1 .cse5 .cse6 .cse3 .cse7 .cse4)))) [2021-12-17 15:08:35,770 INFO L854 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse0 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2)))) [2021-12-17 15:08:35,770 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2021-12-17 15:08:35,770 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2021-12-17 15:08:35,770 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-12-17 15:08:35,770 INFO L854 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= ~pumpRunning~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or .cse5 .cse7 .cse4 .cse6) (or .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse4) (or .cse5 .cse7 .cse2 .cse4))) [2021-12-17 15:08:35,771 INFO L854 garLoopResultBuilder]: At program point L794-2(lines 787 803) the Hoare annotation is: (let ((.cse0 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0)) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse4 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0)) (.cse3 (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|)) (.cse6 (not (<= ~waterLevel~0 2))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (<= ~waterLevel~0 1))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse10 (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 (= ~pumpRunning~0 0)) .cse6 .cse7 .cse9) (or .cse11 .cse8 .cse9 .cse12) (or .cse11 .cse10 .cse9 .cse12) (or .cse11 .cse7 .cse8 .cse9) (or .cse11 .cse10 .cse7 .cse9))) [2021-12-17 15:08:35,771 INFO L858 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2021-12-17 15:08:35,772 INFO L854 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: (let ((.cse10 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse11 (<= ~waterLevel~0 1)) (.cse16 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse14 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse15 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0))) (let ((.cse0 (and .cse10 .cse11 .cse16 .cse12 .cse13 .cse14 .cse15)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= ~pumpRunning~0 0))) (.cse3 (not .cse16)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not .cse11)) (.cse7 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse4) (or .cse7 .cse8 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse9) (or .cse6 .cse8 .cse4 .cse9) (or .cse6 .cse7 .cse8 .cse2 .cse4)))) [2021-12-17 15:08:35,772 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 728 752) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse8) (or .cse6 .cse5 .cse7 .cse3 .cse8))) [2021-12-17 15:08:35,772 INFO L854 garLoopResultBuilder]: At program point L784(lines 779 786) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|)) .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse4 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse2 .cse4 .cse3))) [2021-12-17 15:08:35,772 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2021-12-17 15:08:35,772 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L854 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse4 .cse3 .cse7) (or .cse5 .cse0 .cse6 .cse3 .cse7))) [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L861 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2021-12-17 15:08:35,773 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2021-12-17 15:08:35,775 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:35,776 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:08:35,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:08:35 BoogieIcfgContainer [2021-12-17 15:08:35,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:08:35,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:08:35,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:08:35,829 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:08:35,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:22" (3/4) ... [2021-12-17 15:08:35,832 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:08:35,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:35,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:08:35,847 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-17 15:08:35,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:08:35,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:08:35,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:08:35,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:08:35,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:35,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:35,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:08:35,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:08:35,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1)) || ((((((splverifierCounter == 0 && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0) [2021-12-17 15:08:35,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= \old(waterLevel) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((waterLevel <= \old(waterLevel) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:35,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= \old(waterLevel) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((waterLevel <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((waterLevel <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || (waterLevel <= 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) [2021-12-17 15:08:35,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0) [2021-12-17 15:08:35,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && systemActive == 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((((((tmp == 0 && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((((!(\old(waterLevel) <= 2) || ((!(0 == tmp) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || (((!(0 == tmp) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel <= \old(waterLevel) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((!(0 == tmp) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1))) && (((((!(\old(waterLevel) <= 2) || ((((((tmp == 0 && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-17 15:08:35,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:35,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || (((((tmp == 0 && waterLevel <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((((!(\old(waterLevel) <= 2) || ((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && \result <= 1) && pumpRunning == 0)) || ((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((((((tmp == 0 && waterLevel <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) [2021-12-17 15:08:35,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= pumpRunning) && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= tmp___0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((((!(1 <= methaneLevelCritical) || ((((((tmp == 0 && 1 <= \result) && \result == 0) && tmp == methaneLevelCritical) && 1 <= tmp) && 1 <= tmp___0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-17 15:08:35,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 <= methaneLevelCritical) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((((((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= pumpRunning) && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= tmp___0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-17 15:08:35,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(waterLevel <= 1) || ((1 <= \result && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((((((1 <= \result && waterLevel <= 1) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || (\result == 0 && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || ((1 <= \result && waterLevel <= 1) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((((((1 <= \result && waterLevel <= 1) && pumpRunning == 0) || (\result == 0 && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-17 15:08:35,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == \result))) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) [2021-12-17 15:08:35,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((1 <= \result && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || ((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= tmp___0) && pumpRunning == 0)) && ((((!(waterLevel <= 1) || ((((((1 <= \result && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && ((((((((((1 <= \result && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || ((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= tmp___0) && pumpRunning == 0))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || (((((1 <= \result && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-17 15:08:35,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:35,907 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:08:35,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:08:35,908 INFO L158 Benchmark]: Toolchain (without parser) took 14082.69ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 59.4MB in the beginning and 107.8MB in the end (delta: -48.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,908 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:08:35,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.90ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 76.9MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.91ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,910 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,910 INFO L158 Benchmark]: RCFGBuilder took 372.89ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 56.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,911 INFO L158 Benchmark]: TraceAbstraction took 13100.17ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 56.4MB in the beginning and 114.1MB in the end (delta: -57.7MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,911 INFO L158 Benchmark]: Witness Printer took 79.49ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 107.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:08:35,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.90ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 76.9MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.91ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.89ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 56.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13100.17ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 56.4MB in the beginning and 114.1MB in the end (delta: -57.7MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 79.49ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 107.8MB in the end (delta: 6.4MB). 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: 967]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2913 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2874 mSDsluCounter, 5529 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3963 mSDsCounter, 1182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4230 IncrementalHoareTripleChecker+Invalid, 5412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1182 mSolverCounterUnsat, 1566 mSDtfsCounter, 4230 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 496 SyntacticMatches, 6 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=802occurred in iteration=9, InterpolantAutomatonStates: 183, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 182 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2708 PreInvPairs, 2965 NumberOfFragments, 3317 HoareAnnotationTreeSize, 2708 FomulaSimplifications, 338 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 13607 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 2128 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 218/258 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: 54]: Loop Invariant Derived loop invariant: (((((((((((((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && systemActive == 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((((((tmp == 0 && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((((!(\old(waterLevel) <= 2) || ((!(0 == tmp) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || (((!(0 == tmp) && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((waterLevel <= \old(waterLevel) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((!(0 == tmp) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(systemActive == 1))) && (((((!(\old(waterLevel) <= 2) || ((((((tmp == 0 && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1)) || ((((((splverifierCounter == 0 && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= \old(waterLevel) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((waterLevel <= \old(waterLevel) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == \result))) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((((((((((((1 <= \result && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || ((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= tmp___0) && pumpRunning == 0)) && ((((!(waterLevel <= 1) || ((((((1 <= \result && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && ((((((((((1 <= \result && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || ((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= tmp___0) && pumpRunning == 0))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || (((((1 <= \result && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && 1 <= tmp) && \result == 0) && tmp___0 == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((!(1 <= methaneLevelCritical) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((((((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= pumpRunning) && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= tmp___0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((((((!(waterLevel <= 1) || ((1 <= \result && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((((((1 <= \result && waterLevel <= 1) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || (\result == 0 && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || ((1 <= \result && waterLevel <= 1) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((((((1 <= \result && waterLevel <= 1) && pumpRunning == 0) || (\result == 0 && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && 1 <= \result) && \result == 0) && 1 <= pumpRunning) && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= tmp___0) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((((!(1 <= methaneLevelCritical) || ((((((tmp == 0 && 1 <= \result) && \result == 0) && tmp == methaneLevelCritical) && 1 <= tmp) && 1 <= tmp___0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(waterLevel <= 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || (((((tmp == 0 && waterLevel <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((((!(\old(waterLevel) <= 2) || ((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && \result <= 1) && pumpRunning == 0)) || ((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((((((tmp == 0 && waterLevel <= 1) && \result <= 1) && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= \old(waterLevel) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((waterLevel <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((((waterLevel <= 1 && waterLevel == \old(waterLevel)) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && systemActive == 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) <= 1))) && (((((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || (waterLevel <= 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || ((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:08:35,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE