./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_spec1_product59.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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:07:06,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:07:06,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:07:06,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:07:06,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:07:06,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:07:06,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:07:06,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:07:06,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:07:06,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:07:06,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:07:06,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:07:06,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:07:06,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:07:06,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:07:06,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:07:06,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:07:06,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:07:06,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:07:06,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:07:06,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:07:06,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:07:06,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:07:06,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:07:06,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:07:06,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:07:06,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:07:06,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:07:06,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:07:06,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:07:06,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:07:06,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:07:06,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:07:06,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:07:06,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:07:06,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:07:06,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:07:06,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:07:06,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:07:06,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:07:06,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:07:06,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:07:06,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:07:06,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:07:06,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:07:06,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:07:06,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:07:06,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:07:06,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:07:06,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:07:06,845 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:07:06,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:07:06,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:07:06,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:07:06,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:07:06,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:07:06,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:06,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:07:06,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:07:06,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:07:06,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:07:06,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:07:06,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:07:06,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:07:06,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:07:06,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:07:06,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2021-12-17 15:07:07,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:07:07,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:07:07,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:07:07,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:07:07,108 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:07:07,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-12-17 15:07:07,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cb0721b/4b6843bd88404f36857340d0f2a409e1/FLAG0aab7b150 [2021-12-17 15:07:07,534 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:07:07,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-12-17 15:07:07,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cb0721b/4b6843bd88404f36857340d0f2a409e1/FLAG0aab7b150 [2021-12-17 15:07:07,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cb0721b/4b6843bd88404f36857340d0f2a409e1 [2021-12-17 15:07:07,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:07:07,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:07:07,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:07,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:07:07,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:07:07,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:07" (1/1) ... [2021-12-17 15:07:07,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d3118b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:07, skipping insertion in model container [2021-12-17 15:07:07,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:07" (1/1) ... [2021-12-17 15:07:07,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:07:07,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:07:08,144 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_spec1_product59.cil.c[3645,3658] [2021-12-17 15:07:08,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:08,255 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:07:08,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-12-17 15:07:08,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:08,334 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:07:08,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08 WrapperNode [2021-12-17 15:07:08,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:08,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:08,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:07:08,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:07:08,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,386 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 271 [2021-12-17 15:07:08,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:08,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:07:08,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:07:08,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:07:08,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:07:08,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:07:08,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:07:08,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:07:08,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (1/1) ... [2021-12-17 15:07:08,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:08,489 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 15:07:08,497 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 15:07:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:07:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:07:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:07:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:07:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:07:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:07:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:07:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:07:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:07:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:07:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:07:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:07:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:07:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:07:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:07:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:07:08,594 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:07:08,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:07:08,807 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:07:08,822 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:07:08,823 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:07:08,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:08 BoogieIcfgContainer [2021-12-17 15:07:08,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:07:08,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:07:08,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:07:08,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:07:08,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:07:07" (1/3) ... [2021-12-17 15:07:08,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c214c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:08, skipping insertion in model container [2021-12-17 15:07:08,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:08" (2/3) ... [2021-12-17 15:07:08,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c214c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:08, skipping insertion in model container [2021-12-17 15:07:08,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:08" (3/3) ... [2021-12-17 15:07:08,830 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-12-17 15:07:08,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:07:08,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:07:08,866 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:07:08,871 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 15:07:08,871 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:07:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:07:08,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 15:07:08,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:08,889 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] [2021-12-17 15:07:08,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:08,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:08,893 INFO L85 PathProgramCache]: Analyzing trace with hash 896796979, now seen corresponding path program 1 times [2021-12-17 15:07:08,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:08,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426174313] [2021-12-17 15:07:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:08,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,098 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 15:07:09,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:09,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426174313] [2021-12-17 15:07:09,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426174313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:09,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:09,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:07:09,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543588003] [2021-12-17 15:07:09,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:09,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:07:09,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:07:09,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:09,130 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:09,172 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2021-12-17 15:07:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:07:09,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-17 15:07:09,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:09,182 INFO L225 Difference]: With dead ends: 188 [2021-12-17 15:07:09,182 INFO L226 Difference]: Without dead ends: 89 [2021-12-17 15:07:09,186 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 15:07:09,189 INFO L933 BasicCegarLoop]: 124 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, 124 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 15:07:09,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:09,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-12-17 15:07:09,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-17 15:07:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-17 15:07:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2021-12-17 15:07:09,230 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 23 [2021-12-17 15:07:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:09,231 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2021-12-17 15:07:09,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2021-12-17 15:07:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 15:07:09,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:09,235 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] [2021-12-17 15:07:09,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:07:09,236 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1625202696, now seen corresponding path program 1 times [2021-12-17 15:07:09,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:09,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979673116] [2021-12-17 15:07:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:09,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:07:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,304 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 15:07:09,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:09,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979673116] [2021-12-17 15:07:09,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979673116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:09,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:09,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:09,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644934773] [2021-12-17 15:07:09,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:09,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:09,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:09,307 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:09,318 INFO L93 Difference]: Finished difference Result 140 states and 180 transitions. [2021-12-17 15:07:09,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:09,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-17 15:07:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:09,320 INFO L225 Difference]: With dead ends: 140 [2021-12-17 15:07:09,320 INFO L226 Difference]: Without dead ends: 80 [2021-12-17 15:07:09,321 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 15:07:09,322 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 183 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 15:07:09,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-17 15:07:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-12-17 15:07:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 69 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:07:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2021-12-17 15:07:09,333 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 24 [2021-12-17 15:07:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:09,333 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2021-12-17 15:07:09,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2021-12-17 15:07:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 15:07:09,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:09,335 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] [2021-12-17 15:07:09,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:07:09,335 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:09,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2098135563, now seen corresponding path program 1 times [2021-12-17 15:07:09,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:09,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645893759] [2021-12-17 15:07:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:09,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:07:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,438 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 15:07:09,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:09,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645893759] [2021-12-17 15:07:09,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645893759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:09,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:09,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:09,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567348421] [2021-12-17 15:07:09,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:09,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:09,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:09,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:09,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:09,440 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:09,599 INFO L93 Difference]: Finished difference Result 267 states and 350 transitions. [2021-12-17 15:07:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:07:09,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-17 15:07:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:09,601 INFO L225 Difference]: With dead ends: 267 [2021-12-17 15:07:09,602 INFO L226 Difference]: Without dead ends: 194 [2021-12-17 15:07:09,602 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 15:07:09,603 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 277 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:09,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 459 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-17 15:07:09,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-12-17 15:07:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 159 states have internal predecessors, (191), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2021-12-17 15:07:09,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2021-12-17 15:07:09,621 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 28 [2021-12-17 15:07:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:09,621 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2021-12-17 15:07:09,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2021-12-17 15:07:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:07:09,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:09,623 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] [2021-12-17 15:07:09,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:07:09,623 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash -440127999, now seen corresponding path program 1 times [2021-12-17 15:07:09,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:09,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111565944] [2021-12-17 15:07:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:09,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:07:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,675 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 15:07:09,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:09,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111565944] [2021-12-17 15:07:09,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111565944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:09,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:09,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:09,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713631] [2021-12-17 15:07:09,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:09,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:09,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:09,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:09,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:09,679 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:09,764 INFO L93 Difference]: Finished difference Result 551 states and 734 transitions. [2021-12-17 15:07:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:09,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-12-17 15:07:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:09,767 INFO L225 Difference]: With dead ends: 551 [2021-12-17 15:07:09,767 INFO L226 Difference]: Without dead ends: 370 [2021-12-17 15:07:09,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:09,769 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 74 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:09,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 504 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-12-17 15:07:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2021-12-17 15:07:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 303 states have internal predecessors, (359), 54 states have call successors, (54), 38 states have call predecessors, (54), 38 states have return successors, (59), 38 states have call predecessors, (59), 54 states have call successors, (59) [2021-12-17 15:07:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 472 transitions. [2021-12-17 15:07:09,794 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 472 transitions. Word has length 32 [2021-12-17 15:07:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:09,795 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 472 transitions. [2021-12-17 15:07:09,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 472 transitions. [2021-12-17 15:07:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-17 15:07:09,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:09,797 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] [2021-12-17 15:07:09,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:07:09,797 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:09,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1869434011, now seen corresponding path program 1 times [2021-12-17 15:07:09,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:09,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204009672] [2021-12-17 15:07:09,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:09,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:07:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:07:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:09,844 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 15:07:09,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:09,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204009672] [2021-12-17 15:07:09,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204009672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:09,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:09,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:09,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407907857] [2021-12-17 15:07:09,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:09,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:09,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:09,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:09,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:09,847 INFO L87 Difference]: Start difference. First operand 361 states and 472 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:10,035 INFO L93 Difference]: Finished difference Result 882 states and 1178 transitions. [2021-12-17 15:07:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:10,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-17 15:07:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:10,039 INFO L225 Difference]: With dead ends: 882 [2021-12-17 15:07:10,039 INFO L226 Difference]: Without dead ends: 528 [2021-12-17 15:07:10,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:10,041 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 124 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:10,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 237 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-12-17 15:07:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 509. [2021-12-17 15:07:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 380 states have (on average 1.2842105263157895) internal successors, (488), 417 states have internal predecessors, (488), 68 states have call successors, (68), 60 states have call predecessors, (68), 60 states have return successors, (93), 62 states have call predecessors, (93), 68 states have call successors, (93) [2021-12-17 15:07:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 649 transitions. [2021-12-17 15:07:10,069 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 649 transitions. Word has length 36 [2021-12-17 15:07:10,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:10,069 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 649 transitions. [2021-12-17 15:07:10,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 649 transitions. [2021-12-17 15:07:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:10,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:10,071 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] [2021-12-17 15:07:10,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:07:10,072 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1110744655, now seen corresponding path program 1 times [2021-12-17 15:07:10,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:10,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297118759] [2021-12-17 15:07:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:10,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:07:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:07:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:07:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,131 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 15:07:10,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:10,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297118759] [2021-12-17 15:07:10,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297118759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:10,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:10,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:07:10,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173401133] [2021-12-17 15:07:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:10,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:10,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:10,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:10,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:10,134 INFO L87 Difference]: Start difference. First operand 509 states and 649 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 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 15:07:10,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:10,376 INFO L93 Difference]: Finished difference Result 1125 states and 1470 transitions. [2021-12-17 15:07:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:07:10,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 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 54 [2021-12-17 15:07:10,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:10,380 INFO L225 Difference]: With dead ends: 1125 [2021-12-17 15:07:10,380 INFO L226 Difference]: Without dead ends: 623 [2021-12-17 15:07:10,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:10,382 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 133 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:10,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 249 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:10,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-12-17 15:07:10,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 601. [2021-12-17 15:07:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 452 states have (on average 1.252212389380531) internal successors, (566), 489 states have internal predecessors, (566), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2021-12-17 15:07:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 755 transitions. [2021-12-17 15:07:10,414 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 755 transitions. Word has length 54 [2021-12-17 15:07:10,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:10,414 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 755 transitions. [2021-12-17 15:07:10,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 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 15:07:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 755 transitions. [2021-12-17 15:07:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:10,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:10,417 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] [2021-12-17 15:07:10,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:07:10,417 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:10,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1172784269, now seen corresponding path program 1 times [2021-12-17 15:07:10,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:10,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922260139] [2021-12-17 15:07:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:10,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:07:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:07:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:07:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,533 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 15:07:10,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922260139] [2021-12-17 15:07:10,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922260139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:10,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:10,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:07:10,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599434580] [2021-12-17 15:07:10,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:10,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:07:10,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:07:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:10,536 INFO L87 Difference]: Start difference. First operand 601 states and 755 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 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 15:07:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:10,787 INFO L93 Difference]: Finished difference Result 1241 states and 1604 transitions. [2021-12-17 15:07:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 15:07:10,788 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 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 54 [2021-12-17 15:07:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:10,790 INFO L225 Difference]: With dead ends: 1241 [2021-12-17 15:07:10,790 INFO L226 Difference]: Without dead ends: 647 [2021-12-17 15:07:10,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-12-17 15:07:10,792 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 188 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:10,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 228 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:10,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-12-17 15:07:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 609. [2021-12-17 15:07:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 460 states have (on average 1.2478260869565216) internal successors, (574), 497 states have internal predecessors, (574), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2021-12-17 15:07:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 763 transitions. [2021-12-17 15:07:10,819 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 763 transitions. Word has length 54 [2021-12-17 15:07:10,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:10,819 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 763 transitions. [2021-12-17 15:07:10,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 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 15:07:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 763 transitions. [2021-12-17 15:07:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:07:10,821 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:10,821 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] [2021-12-17 15:07:10,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:07:10,823 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:10,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:10,824 INFO L85 PathProgramCache]: Analyzing trace with hash 663311179, now seen corresponding path program 1 times [2021-12-17 15:07:10,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:10,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946984079] [2021-12-17 15:07:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:10,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:07:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:07:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:07:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:10,904 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 15:07:10,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:10,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946984079] [2021-12-17 15:07:10,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946984079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:10,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:10,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:10,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130006766] [2021-12-17 15:07:10,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:10,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:10,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:10,906 INFO L87 Difference]: Start difference. First operand 609 states and 763 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:11,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:11,180 INFO L93 Difference]: Finished difference Result 1817 states and 2376 transitions. [2021-12-17 15:07:11,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 15:07:11,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2021-12-17 15:07:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:11,184 INFO L225 Difference]: With dead ends: 1817 [2021-12-17 15:07:11,184 INFO L226 Difference]: Without dead ends: 1215 [2021-12-17 15:07:11,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:11,188 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 320 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:11,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 271 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:11,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-12-17 15:07:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1203. [2021-12-17 15:07:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 904 states have (on average 1.2234513274336283) internal successors, (1106), 965 states have internal predecessors, (1106), 154 states have call successors, (154), 142 states have call predecessors, (154), 144 states have return successors, (257), 150 states have call predecessors, (257), 154 states have call successors, (257) [2021-12-17 15:07:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1517 transitions. [2021-12-17 15:07:11,234 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1517 transitions. Word has length 54 [2021-12-17 15:07:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:11,237 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 1517 transitions. [2021-12-17 15:07:11,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1517 transitions. [2021-12-17 15:07:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-17 15:07:11,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:11,240 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] [2021-12-17 15:07:11,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:07:11,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash 740773105, now seen corresponding path program 1 times [2021-12-17 15:07:11,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:11,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045672452] [2021-12-17 15:07:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:11,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:07:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:07:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-17 15:07:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-17 15:07:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,349 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 15:07:11,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:11,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045672452] [2021-12-17 15:07:11,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045672452] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:11,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397077091] [2021-12-17 15:07:11,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:11,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:11,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:11,352 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 15:07:11,386 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 15:07:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:11,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:07:11,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:11,612 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 15:07:11,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:11,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397077091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:11,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:11,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2021-12-17 15:07:11,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193620665] [2021-12-17 15:07:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:11,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:11,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:11,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:11,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-12-17 15:07:11,614 INFO L87 Difference]: Start difference. First operand 1203 states and 1517 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:07:11,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:11,742 INFO L93 Difference]: Finished difference Result 2357 states and 2985 transitions. [2021-12-17 15:07:11,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:07:11,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2021-12-17 15:07:11,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:11,747 INFO L225 Difference]: With dead ends: 2357 [2021-12-17 15:07:11,747 INFO L226 Difference]: Without dead ends: 1161 [2021-12-17 15:07:11,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-12-17 15:07:11,750 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 75 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:11,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 815 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2021-12-17 15:07:11,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1157. [2021-12-17 15:07:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 868 states have (on average 1.2085253456221199) internal successors, (1049), 927 states have internal predecessors, (1049), 150 states have call successors, (150), 138 states have call predecessors, (150), 138 states have return successors, (224), 144 states have call predecessors, (224), 150 states have call successors, (224) [2021-12-17 15:07:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1423 transitions. [2021-12-17 15:07:11,789 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1423 transitions. Word has length 58 [2021-12-17 15:07:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:11,790 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1423 transitions. [2021-12-17 15:07:11,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:07:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1423 transitions. [2021-12-17 15:07:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-17 15:07:11,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:11,793 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:11,812 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 15:07:12,009 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 15:07:12,010 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:12,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:12,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2065692327, now seen corresponding path program 1 times [2021-12-17 15:07:12,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:12,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851197713] [2021-12-17 15:07:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:12,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:07:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:07:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-17 15:07:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 15:07:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-17 15:07:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 15:07:12,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:12,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851197713] [2021-12-17 15:07:12,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851197713] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:12,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894657828] [2021-12-17 15:07:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:12,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:12,105 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 15:07:12,106 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 15:07:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 15:07:12,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:12,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:12,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894657828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:12,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:12,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2021-12-17 15:07:12,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974173976] [2021-12-17 15:07:12,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:12,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:12,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:12,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:12,298 INFO L87 Difference]: Start difference. First operand 1157 states and 1423 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-17 15:07:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:12,437 INFO L93 Difference]: Finished difference Result 3043 states and 3934 transitions. [2021-12-17 15:07:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:07:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2021-12-17 15:07:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:12,444 INFO L225 Difference]: With dead ends: 3043 [2021-12-17 15:07:12,444 INFO L226 Difference]: Without dead ends: 2137 [2021-12-17 15:07:12,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-17 15:07:12,447 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 179 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:12,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 761 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:12,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2021-12-17 15:07:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1785. [2021-12-17 15:07:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1336 states have (on average 1.2050898203592815) internal successors, (1610), 1427 states have internal predecessors, (1610), 234 states have call successors, (234), 198 states have call predecessors, (234), 214 states have return successors, (391), 224 states have call predecessors, (391), 234 states have call successors, (391) [2021-12-17 15:07:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2235 transitions. [2021-12-17 15:07:12,508 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2235 transitions. Word has length 96 [2021-12-17 15:07:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:12,508 INFO L470 AbstractCegarLoop]: Abstraction has 1785 states and 2235 transitions. [2021-12-17 15:07:12,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-17 15:07:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2235 transitions. [2021-12-17 15:07:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-17 15:07:12,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:12,511 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:12,530 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 15:07:12,727 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,SelfDestructingSolverStorable9 [2021-12-17 15:07:12,728 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:12,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:12,728 INFO L85 PathProgramCache]: Analyzing trace with hash 260253993, now seen corresponding path program 1 times [2021-12-17 15:07:12,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:12,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872396222] [2021-12-17 15:07:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:12,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:07:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:07:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-17 15:07:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-17 15:07:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-17 15:07:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-17 15:07:12,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872396222] [2021-12-17 15:07:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872396222] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575336496] [2021-12-17 15:07:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:12,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:12,806 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 15:07:12,807 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 15:07:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:12,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 15:07:12,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-17 15:07:13,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:13,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575336496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:13,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:13,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2021-12-17 15:07:13,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726591455] [2021-12-17 15:07:13,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:13,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:13,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:13,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:13,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-12-17 15:07:13,001 INFO L87 Difference]: Start difference. First operand 1785 states and 2235 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-17 15:07:13,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:13,071 INFO L93 Difference]: Finished difference Result 2505 states and 3119 transitions. [2021-12-17 15:07:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:07:13,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2021-12-17 15:07:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:13,073 INFO L225 Difference]: With dead ends: 2505 [2021-12-17 15:07:13,073 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:07:13,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:07:13,077 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 33 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:13,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 371 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:13,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:07:13,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:07:13,078 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 15:07:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:07:13,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2021-12-17 15:07:13,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:13,079 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:07:13,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-17 15:07:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:07:13,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:07:13,081 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:07:13,111 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 15:07:13,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:13,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:07:17,872 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 383 390) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 383 390) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 383 390) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 298 304) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 298 304) the Hoare annotation is: true [2021-12-17 15:07:17,873 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or (= 0 ~systemActive~0) .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse2 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 .cse2 .cse3 .cse1))) [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 906 935) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point L927(line 927) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 906 935) the Hoare annotation is: true [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L861 garLoopResultBuilder]: At program point L920-1(lines 920 924) the Hoare annotation is: true [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2021-12-17 15:07:17,873 INFO L861 garLoopResultBuilder]: At program point L916-2(lines 916 930) the Hoare annotation is: true [2021-12-17 15:07:17,873 INFO L861 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: true [2021-12-17 15:07:17,873 INFO L858 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-12-17 15:07:17,874 INFO L861 garLoopResultBuilder]: At program point L931(lines 906 935) the Hoare annotation is: true [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse3 .cse6) (or .cse4 .cse5 .cse0 .cse6))) [2021-12-17 15:07:17,874 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse4 .cse0 .cse5) (or .cse1 .cse6 .cse2))) [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or .cse2 .cse3 .cse1) (or .cse2 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse5 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) .cse6 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0) .cse4)) (or .cse2 .cse5 (and .cse6 (<= 2 ~waterLevel~0) .cse4) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse0 (and (= ~waterLevel~0 1) .cse6 .cse4)))) [2021-12-17 15:07:17,874 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 274 297) no Hoare annotation was computed. [2021-12-17 15:07:17,874 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse1 .cse6 .cse2) (or .cse3 .cse4 .cse6 .cse5))) [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0) (or .cse1 .cse5 .cse2) (or .cse3 .cse4 .cse5))) [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse5 .cse2) (or .cse3 .cse4 .cse0 .cse6))) [2021-12-17 15:07:17,874 INFO L854 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse12 .cse8)) (.cse4 (and .cse11 .cse12 (not .cse1))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0) .cse8)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and (= ~waterLevel~0 1) .cse8)) (.cse3 (not .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8) .cse6) (or .cse9 .cse6 .cse7 .cse10) (or .cse9 .cse7 .cse10 .cse3)))) [2021-12-17 15:07:17,874 INFO L858 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L854 garLoopResultBuilder]: At program point L194(lines 189 196) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0) (or .cse1 .cse5 .cse2) (or .cse3 .cse4 .cse5))) [2021-12-17 15:07:17,875 INFO L854 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not .cse1)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse2 (and .cse13 .cse12 (<= 1 ~waterLevel~0) .cse10 .cse11)) (.cse3 (not .cse13)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse5 .cse7 .cse3) (or .cse0 .cse7 .cse8 .cse3) (or .cse2 .cse7 .cse3 .cse9) (or (and .cse10 .cse11) .cse6 .cse7 .cse9) (or .cse0 .cse1 .cse6 (and .cse12 .cse8 .cse11)))))) [2021-12-17 15:07:17,875 INFO L854 garLoopResultBuilder]: At program point L351-1(lines 332 356) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse9 (not .cse7))) (let ((.cse6 (and .cse14 .cse13 .cse9)) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~waterLevel~0 1)) (.cse5 (not .cse14)) (.cse8 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0) .cse10)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse12 .cse9 .cse10)) (.cse2 (not .cse12)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or .cse4 .cse7 .cse8 .cse5 .cse6) (or .cse0 (and .cse1 .cse9 .cse10) .cse3 .cse5) (or .cse4 .cse7 .cse8 .cse2 .cse11) (or .cse4 .cse2 .cse3 .cse11) (or (and .cse9 .cse10) .cse2 .cse3 (not (<= 1 |old(~waterLevel~0)|))))))) [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 277 296) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 348) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 353) no Hoare annotation was computed. [2021-12-17 15:07:17,875 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 274 297) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~waterLevel~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse10 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse5 .cse3 .cse8 .cse4) (or .cse5 .cse2 .cse3 .cse8) (or .cse3 .cse4 .cse9 .cse10) (or .cse5 .cse6 .cse7 .cse2) (or .cse2 .cse3 .cse9 .cse10)))) [2021-12-17 15:07:17,875 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 184) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 274 297) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 163 187) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse9 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse18 (<= 2 ~waterLevel~0)) (.cse19 (not .cse5))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~waterLevel~0 1)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse10 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse11 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse12 (<= 1 ~waterLevel~0)) (.cse13 (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (and .cse9 .cse18 .cse19)) (.cse14 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse17 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) .cse15) (or .cse2 .cse3 .cse16 .cse17) (or .cse0 .cse1 .cse3 .cse15) (or .cse4 .cse3 .cse18 .cse15) (or .cse4 .cse2 .cse3 .cse18) (or .cse4 .cse5 .cse2 (and .cse7 .cse8 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14) (and .cse16 .cse19 .cse14)) (or .cse6 (and .cse9 .cse14) .cse3 .cse15 .cse17))))) [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-12-17 15:07:17,878 INFO L854 garLoopResultBuilder]: At program point L259(lines 210 260) the Hoare annotation is: false [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L247-2(lines 241 254) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse8))) [2021-12-17 15:07:17,879 INFO L861 garLoopResultBuilder]: At program point L974(lines 967 976) the Hoare annotation is: true [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4))) [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 231 237) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L900(lines 895 903) 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 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L256(lines 211 258) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:07:17,879 INFO L854 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L987(lines 987 994) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L858 garLoopResultBuilder]: For program point L987-2(lines 987 994) no Hoare annotation was computed. [2021-12-17 15:07:17,879 INFO L861 garLoopResultBuilder]: At program point L996(lines 977 999) the Hoare annotation is: true [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L212(lines 211 258) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 254) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L497(lines 485 499) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~10#1|)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 495) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L861 garLoopResultBuilder]: At program point L262(lines 201 266) the Hoare annotation is: true [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L964(lines 960 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~10#1|) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 306 330) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 322) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 327) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L362(lines 357 364) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2021-12-17 15:07:17,880 INFO L854 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L325-1(lines 306 330) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 306 330) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point L373-2(lines 366 382) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|) (= ~pumpRunning~0 0)) .cse3 .cse2 (not (<= 2 ~waterLevel~0))))) [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse5)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse0 .cse2 .cse3 (not .cse4) .cse5) (or .cse0 (and .cse4 .cse5) .cse1 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse2)))) [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point L462(lines 447 465) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse7)) (.cse0 (= 0 ~systemActive~0)) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|))) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse5 (not (<= 1 ~methaneLevelCritical~0)) .cse6) (or .cse1 .cse0 .cse5 (and .cse2 .cse3 .cse4 .cse7) .cse6 (not (= ~methaneLevelCritical~0 0)))))) [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point L398(lines 391 401) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) .cse2 (not (<= 1 ~waterLevel~0)) .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse1) .cse4 .cse3 (not .cse0)) (or .cse2 (not (= ~waterLevel~0 1)) .cse4 .cse3))) [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3))) [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L396-1(line 396) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L456-2(lines 456 460) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:07:17,881 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (= ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse1 .cse2) (or .cse0 .cse5 .cse6 .cse1) (or .cse3 .cse5 .cse4 .cse2))) [2021-12-17 15:07:17,884 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:17,886 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:07:17,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:07:17 BoogieIcfgContainer [2021-12-17 15:07:17,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:07:17,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:07:17,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:07:17,931 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:07:17,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:08" (3/4) ... [2021-12-17 15:07:17,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:17,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:07:17,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-17 15:07:17,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:07:17,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:07:17,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:07:17,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:07:17,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:17,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:17,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:07:17,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:07:17,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 2 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) [2021-12-17 15:07:17,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) [2021-12-17 15:07:17,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((!(\old(waterLevel) == 1) || ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == \old(pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0))) && ((((!(0 == systemActive) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(waterLevel) == 1) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (((((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0)) || ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) && pumpRunning == 0))) && ((((((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)) || (tmp == 0 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || (methaneLevelCritical <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel))) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && \result == 0) && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && 2 <= waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 1 && \result == 0) && pumpRunning == 0)) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(waterLevel == 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || ((methaneLevelCritical <= \result && methaneLevelCritical <= tmp) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel)) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || (!(\result == 0) && pumpRunning == 0)) || !(waterLevel == 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(2 <= waterLevel)) || pumpRunning == 0)) && (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (!(\result == 0) && pumpRunning == 0)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:07:17,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:07:17,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) [2021-12-17 15:07:17,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || (((((1 <= tmp___0 && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \result == 0) && 1 <= waterLevel) && tmp == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp___0 && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \result == 0) && 1 <= waterLevel) && tmp == 0)) [2021-12-17 15:07:17,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (((!(0 == tmp) && \result == 0) && pumpRunning == \old(pumpRunning)) && tmp___0 == 0)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(1 <= waterLevel)) || (((!(0 == tmp) && \result == 0) && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-17 15:07:18,033 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:07:18,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:07:18,034 INFO L158 Benchmark]: Toolchain (without parser) took 10107.23ms. Allocated memory was 104.9MB in the beginning and 281.0MB in the end (delta: 176.2MB). Free memory was 61.6MB in the beginning and 101.8MB in the end (delta: -40.2MB). Peak memory consumption was 138.9MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,034 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:07:18,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.98ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 61.4MB in the beginning and 124.2MB in the end (delta: -62.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.52ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,035 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 120.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,035 INFO L158 Benchmark]: RCFGBuilder took 412.86ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 115.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,035 INFO L158 Benchmark]: TraceAbstraction took 9088.57ms. Allocated memory was 155.2MB in the beginning and 281.0MB in the end (delta: 125.8MB). Free memory was 114.7MB in the beginning and 109.2MB in the end (delta: 5.5MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,035 INFO L158 Benchmark]: Witness Printer took 119.01ms. Allocated memory is still 281.0MB. Free memory was 109.2MB in the beginning and 101.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:07:18,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.98ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 61.4MB in the beginning and 124.2MB in the end (delta: -62.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.52ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 121.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 120.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.86ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 115.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9088.57ms. Allocated memory was 155.2MB in the beginning and 281.0MB in the end (delta: 125.8MB). Free memory was 114.7MB in the beginning and 109.2MB in the end (delta: 5.5MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. * Witness Printer took 119.01ms. Allocated memory is still 281.0MB. Free memory was 109.2MB in the beginning and 101.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. 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: 193]: 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, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1441 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1419 mSDsluCounter, 4202 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2848 mSDsCounter, 360 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1421 IncrementalHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 360 mSolverCounterUnsat, 1354 mSDtfsCounter, 1421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 337 SyntacticMatches, 2 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1785occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 462 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3373 PreInvPairs, 3758 NumberOfFragments, 2464 HoareAnnotationTreeSize, 3373 FomulaSimplifications, 662 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 19589 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 791 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 129/135 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: 332]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((!(\old(waterLevel) == 1) || ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == \old(pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0))) && ((((!(0 == systemActive) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 2 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) == 1) || waterLevel == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (((((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 0) && pumpRunning == 0)) || ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) && pumpRunning == 0))) && ((((((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)) || (tmp == 0 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(waterLevel == 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || ((methaneLevelCritical <= \result && methaneLevelCritical <= tmp) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel)) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || (((((1 <= tmp___0 && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \result == 0) && 1 <= waterLevel) && tmp == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp___0 && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \result == 0) && 1 <= waterLevel) && tmp == 0)) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == tmp) && methaneLevelCritical == 0) && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(methaneLevelCritical == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((0 == systemActive || (!(\result == 0) && pumpRunning == 0)) || !(waterLevel == 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(2 <= waterLevel)) || pumpRunning == 0)) && (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (!(\result == 0) && pumpRunning == 0)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && \result == 0) && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 <= waterLevel) && tmp == 0) && pumpRunning == 0))) && (((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && 2 <= waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) == 1) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((waterLevel == 1 && \result == 0) && pumpRunning == 0)) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (((!(0 == tmp) && \result == 0) && pumpRunning == \old(pumpRunning)) && tmp___0 == 0)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) && ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(1 <= waterLevel)) || (((!(0 == tmp) && \result == 0) && tmp___0 == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || (methaneLevelCritical <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(2 <= waterLevel))) && (((0 == systemActive || !(waterLevel == 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:07:18,083 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