./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product62.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_spec5_product62.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 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:10:04,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:10:04,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:10:04,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:10:04,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:10:04,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:10:04,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:10:04,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:10:04,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:10:04,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:10:04,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:10:04,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:10:04,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:10:04,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:10:04,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:10:04,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:10:04,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:10:04,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:10:04,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:10:04,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:10:04,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:10:04,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:10:04,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:10:04,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:10:04,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:10:04,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:10:04,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:10:04,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:10:04,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:10:04,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:10:04,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:10:04,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:10:04,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:10:04,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:10:04,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:10:04,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:10:04,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:10:04,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:10:04,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:10:04,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:10:04,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:10:04,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:10:04,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:10:04,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:10:04,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:10:04,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:10:04,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:10:04,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:10:04,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:10:04,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:10:04,669 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:10:04,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:10:04,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:10:04,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:10:04,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:10:04,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:10:04,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:04,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:10:04,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:10:04,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:10:04,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:10:04,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:10:04,673 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:10:04,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:10:04,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:10:04,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:10:04,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c [2021-12-17 15:10:04,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:10:04,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:10:04,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:10:04,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:10:04,884 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:10:04,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2021-12-17 15:10:04,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a82b2b8/3f8386013de9477e8ece33a8eea71acd/FLAG422854b46 [2021-12-17 15:10:05,373 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:10:05,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2021-12-17 15:10:05,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a82b2b8/3f8386013de9477e8ece33a8eea71acd/FLAG422854b46 [2021-12-17 15:10:05,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a82b2b8/3f8386013de9477e8ece33a8eea71acd [2021-12-17 15:10:05,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:10:05,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:10:05,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:05,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:10:05,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:10:05,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56414e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05, skipping insertion in model container [2021-12-17 15:10:05,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:10:05,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:10:05,728 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_spec5_product62.cil.c[19180,19193] [2021-12-17 15:10:05,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:05,750 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:10:05,808 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_spec5_product62.cil.c[19180,19193] [2021-12-17 15:10:05,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:05,828 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:10:05,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05 WrapperNode [2021-12-17 15:10:05,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:05,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:05,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:10:05,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:10:05,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,903 INFO L137 Inliner]: procedures = 60, calls = 164, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 297 [2021-12-17 15:10:05,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:05,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:10:05,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:10:05,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:10:05,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:10:05,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:10:05,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:10:05,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:10:05,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (1/1) ... [2021-12-17 15:10:05,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:05,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:05,992 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 15:10:06,024 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 15:10:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:10:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:10:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:10:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:10:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:10:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:10:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:10:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:10:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:10:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:10:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:10:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:10:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:10:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:10:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:10:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:10:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:10:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:10:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:10:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:10:06,100 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:10:06,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:10:06,428 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:10:06,433 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:10:06,433 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:10:06,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06 BoogieIcfgContainer [2021-12-17 15:10:06,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:10:06,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:10:06,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:10:06,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:10:06,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:10:05" (1/3) ... [2021-12-17 15:10:06,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20349e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:06, skipping insertion in model container [2021-12-17 15:10:06,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:05" (2/3) ... [2021-12-17 15:10:06,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20349e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:06, skipping insertion in model container [2021-12-17 15:10:06,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06" (3/3) ... [2021-12-17 15:10:06,440 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2021-12-17 15:10:06,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:10:06,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:10:06,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:10:06,487 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 15:10:06,487 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:10:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-17 15:10:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:10:06,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,507 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] [2021-12-17 15:10:06,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1960372766, now seen corresponding path program 1 times [2021-12-17 15:10:06,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12648849] [2021-12-17 15:10:06,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:10:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:10:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,725 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 15:10:06,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12648849] [2021-12-17 15:10:06,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12648849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:10:06,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483126873] [2021-12-17 15:10:06,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:10:06,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:10:06,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:10:06,757 INFO L87 Difference]: Start difference. First operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,801 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2021-12-17 15:10:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:10:06,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:10:06,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,811 INFO L225 Difference]: With dead ends: 219 [2021-12-17 15:10:06,811 INFO L226 Difference]: Without dead ends: 105 [2021-12-17 15:10:06,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 15:10:06,818 INFO L933 BasicCegarLoop]: 144 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, 144 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 15:10:06,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:06,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-17 15:10:06,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-12-17 15:10:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 86 states have internal predecessors, (100), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2021-12-17 15:10:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2021-12-17 15:10:06,859 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 32 [2021-12-17 15:10:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:06,860 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2021-12-17 15:10:06,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2021-12-17 15:10:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:10:06,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,867 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] [2021-12-17 15:10:06,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:10:06,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -526010073, now seen corresponding path program 1 times [2021-12-17 15:10:06,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560370643] [2021-12-17 15:10:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:10:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:10:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,950 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 15:10:06,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560370643] [2021-12-17 15:10:06,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560370643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:10:06,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44615913] [2021-12-17 15:10:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:10:06,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:10:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:06,955 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,966 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2021-12-17 15:10:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:10:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:10:06,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,968 INFO L225 Difference]: With dead ends: 174 [2021-12-17 15:10:06,968 INFO L226 Difference]: Without dead ends: 96 [2021-12-17 15:10:06,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:06,971 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 13 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 227 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 15:10:06,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-17 15:10:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-17 15:10:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 80 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:10:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-12-17 15:10:06,992 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 33 [2021-12-17 15:10:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,012 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-12-17 15:10:07,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-12-17 15:10:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:10:07,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,014 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] [2021-12-17 15:10:07,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:10:07,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1914406272, now seen corresponding path program 1 times [2021-12-17 15:10:07,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759132691] [2021-12-17 15:10:07,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:10:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,067 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 15:10:07,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759132691] [2021-12-17 15:10:07,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759132691] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:07,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846590924] [2021-12-17 15:10:07,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:07,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:07,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:07,070 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,109 INFO L93 Difference]: Finished difference Result 184 states and 239 transitions. [2021-12-17 15:10:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:10:07,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-17 15:10:07,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,111 INFO L225 Difference]: With dead ends: 184 [2021-12-17 15:10:07,111 INFO L226 Difference]: Without dead ends: 96 [2021-12-17 15:10:07,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:07,112 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 146 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 314 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:07,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-17 15:10:07,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-17 15:10:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 80 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:10:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2021-12-17 15:10:07,121 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 38 [2021-12-17 15:10:07,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,122 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2021-12-17 15:10:07,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2021-12-17 15:10:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-17 15:10:07,123 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,124 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] [2021-12-17 15:10:07,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:10:07,124 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1685949316, now seen corresponding path program 1 times [2021-12-17 15:10:07,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168949901] [2021-12-17 15:10:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-17 15:10:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:10:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,175 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 15:10:07,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168949901] [2021-12-17 15:10:07,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168949901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:10:07,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331394366] [2021-12-17 15:10:07,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 15:10:07,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 15:10:07,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 15:10:07,178 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:10:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,350 INFO L93 Difference]: Finished difference Result 273 states and 351 transitions. [2021-12-17 15:10:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:10:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-17 15:10:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,352 INFO L225 Difference]: With dead ends: 273 [2021-12-17 15:10:07,352 INFO L226 Difference]: Without dead ends: 185 [2021-12-17 15:10:07,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:07,354 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 174 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 237 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:07,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-12-17 15:10:07,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2021-12-17 15:10:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 143 states have internal predecessors, (170), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2021-12-17 15:10:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2021-12-17 15:10:07,368 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 51 [2021-12-17 15:10:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,368 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2021-12-17 15:10:07,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:10:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2021-12-17 15:10:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-17 15:10:07,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,370 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:10:07,370 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008340, now seen corresponding path program 1 times [2021-12-17 15:10:07,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754862493] [2021-12-17 15:10:07,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 15:10:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:10:07,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754862493] [2021-12-17 15:10:07,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754862493] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:10:07,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120741138] [2021-12-17 15:10:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:10:07,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:10:07,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:07,539 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,764 INFO L93 Difference]: Finished difference Result 362 states and 456 transitions. [2021-12-17 15:10:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:10:07,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2021-12-17 15:10:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,766 INFO L225 Difference]: With dead ends: 362 [2021-12-17 15:10:07,766 INFO L226 Difference]: Without dead ends: 191 [2021-12-17 15:10:07,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:10:07,767 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 142 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 527 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:10:07,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-12-17 15:10:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 177. [2021-12-17 15:10:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 141 states have internal predecessors, (164), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2021-12-17 15:10:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2021-12-17 15:10:07,778 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 59 [2021-12-17 15:10:07,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,778 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2021-12-17 15:10:07,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2021-12-17 15:10:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-17 15:10:07,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,779 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:10:07,780 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -12885391, now seen corresponding path program 1 times [2021-12-17 15:10:07,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057538913] [2021-12-17 15:10:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 15:10:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,830 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 15:10:07,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057538913] [2021-12-17 15:10:07,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057538913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:10:07,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270233315] [2021-12-17 15:10:07,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:10:07,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:10:07,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:10:07,831 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:07,940 INFO L93 Difference]: Finished difference Result 356 states and 455 transitions. [2021-12-17 15:10:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:07,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2021-12-17 15:10:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:07,941 INFO L225 Difference]: With dead ends: 356 [2021-12-17 15:10:07,941 INFO L226 Difference]: Without dead ends: 187 [2021-12-17 15:10:07,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:07,943 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 81 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:07,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 433 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-12-17 15:10:07,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 180. [2021-12-17 15:10:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 135 states have (on average 1.237037037037037) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2021-12-17 15:10:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2021-12-17 15:10:07,951 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 65 [2021-12-17 15:10:07,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:07,951 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2021-12-17 15:10:07,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2021-12-17 15:10:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-17 15:10:07,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:07,952 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:07,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:10:07,953 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:07,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:07,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1373318003, now seen corresponding path program 1 times [2021-12-17 15:10:07,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:07,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553209910] [2021-12-17 15:10:07,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:07,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 15:10:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,997 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 15:10:07,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:07,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553209910] [2021-12-17 15:10:07,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553209910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:07,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:07,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:07,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126567406] [2021-12-17 15:10:07,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:07,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:07,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:07,998 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:08,083 INFO L93 Difference]: Finished difference Result 362 states and 460 transitions. [2021-12-17 15:10:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:10:08,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2021-12-17 15:10:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:08,085 INFO L225 Difference]: With dead ends: 362 [2021-12-17 15:10:08,085 INFO L226 Difference]: Without dead ends: 190 [2021-12-17 15:10:08,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:08,086 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 82 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:08,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 340 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-12-17 15:10:08,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 182. [2021-12-17 15:10:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 146 states have internal predecessors, (169), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2021-12-17 15:10:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2021-12-17 15:10:08,094 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 65 [2021-12-17 15:10:08,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:08,094 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2021-12-17 15:10:08,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:10:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2021-12-17 15:10:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-17 15:10:08,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:08,095 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:08,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:10:08,095 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:08,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:08,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2074917877, now seen corresponding path program 1 times [2021-12-17 15:10:08,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:08,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143177396] [2021-12-17 15:10:08,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:08,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-17 15:10:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,166 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 15:10:08,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:08,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143177396] [2021-12-17 15:10:08,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143177396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:08,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:08,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:08,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234780677] [2021-12-17 15:10:08,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:08,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:08,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:08,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:08,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:08,168 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:10:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:08,318 INFO L93 Difference]: Finished difference Result 498 states and 640 transitions. [2021-12-17 15:10:08,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:08,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2021-12-17 15:10:08,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:08,320 INFO L225 Difference]: With dead ends: 498 [2021-12-17 15:10:08,320 INFO L226 Difference]: Without dead ends: 324 [2021-12-17 15:10:08,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:08,321 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 241 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:08,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 363 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:08,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-12-17 15:10:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 322. [2021-12-17 15:10:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 241 states have (on average 1.2074688796680497) internal successors, (291), 254 states have internal predecessors, (291), 42 states have call successors, (42), 35 states have call predecessors, (42), 38 states have return successors, (68), 43 states have call predecessors, (68), 42 states have call successors, (68) [2021-12-17 15:10:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2021-12-17 15:10:08,334 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 65 [2021-12-17 15:10:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:08,334 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2021-12-17 15:10:08,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-17 15:10:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2021-12-17 15:10:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-17 15:10:08,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:08,335 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:08,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:10:08,335 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:08,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 843636315, now seen corresponding path program 1 times [2021-12-17 15:10:08,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:08,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233062962] [2021-12-17 15:10:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:08,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:10:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-17 15:10:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-17 15:10:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:08,423 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 15:10:08,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:08,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233062962] [2021-12-17 15:10:08,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233062962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:08,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:08,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:10:08,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389707135] [2021-12-17 15:10:08,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:08,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:10:08,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:08,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:10:08,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:08,424 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-17 15:10:09,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:09,018 INFO L93 Difference]: Finished difference Result 867 states and 1137 transitions. [2021-12-17 15:10:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-17 15:10:09,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 69 [2021-12-17 15:10:09,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:09,021 INFO L225 Difference]: With dead ends: 867 [2021-12-17 15:10:09,021 INFO L226 Difference]: Without dead ends: 609 [2021-12-17 15:10:09,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 15:10:09,023 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 674 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:09,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 631 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:09,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-12-17 15:10:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 500. [2021-12-17 15:10:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 373 states have (on average 1.198391420911528) internal successors, (447), 396 states have internal predecessors, (447), 66 states have call successors, (66), 50 states have call predecessors, (66), 60 states have return successors, (108), 66 states have call predecessors, (108), 66 states have call successors, (108) [2021-12-17 15:10:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 621 transitions. [2021-12-17 15:10:09,042 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 621 transitions. Word has length 69 [2021-12-17 15:10:09,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:09,042 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 621 transitions. [2021-12-17 15:10:09,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-17 15:10:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 621 transitions. [2021-12-17 15:10:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-17 15:10:09,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:09,043 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:09,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:10:09,043 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:09,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626689, now seen corresponding path program 1 times [2021-12-17 15:10:09,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:09,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709976591] [2021-12-17 15:10:09,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:09,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:10:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-17 15:10:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-17 15:10:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-17 15:10:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 15:10:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-17 15:10:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:10:09,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:09,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709976591] [2021-12-17 15:10:09,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709976591] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:10:09,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306647255] [2021-12-17 15:10:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:09,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:10:09,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:09,160 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 15:10:09,183 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 15:10:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:09,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:10:09,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:10:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:10:09,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:10:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:10:09,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306647255] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:10:09,678 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:10:09,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-17 15:10:09,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787769212] [2021-12-17 15:10:09,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:10:09,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 15:10:09,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:09,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 15:10:09,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:10:09,680 INFO L87 Difference]: Start difference. First operand 500 states and 621 transitions. Second operand has 16 states, 16 states have (on average 9.0625) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-17 15:10:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:10,264 INFO L93 Difference]: Finished difference Result 1022 states and 1297 transitions. [2021-12-17 15:10:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-17 15:10:10,265 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.0625) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) Word has length 123 [2021-12-17 15:10:10,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:10,266 INFO L225 Difference]: With dead ends: 1022 [2021-12-17 15:10:10,266 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:10:10,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 279 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=279, Invalid=1281, Unknown=0, NotChecked=0, Total=1560 [2021-12-17 15:10:10,269 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 436 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:10,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [437 Valid, 1371 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:10:10,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:10:10,273 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 15:10:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:10:10,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2021-12-17 15:10:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:10,275 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:10:10,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.0625) internal successors, (145), 11 states have internal predecessors, (145), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-17 15:10:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:10:10,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:10:10,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:10:10,299 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 15:10:10,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:10:10,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:10:13,649 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) [2021-12-17 15:10:13,649 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2021-12-17 15:10:13,649 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2021-12-17 15:10:13,649 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2021-12-17 15:10:13,649 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2021-12-17 15:10:13,649 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,649 INFO L854 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,650 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2021-12-17 15:10:13,650 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2021-12-17 15:10:13,650 INFO L854 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,650 INFO L854 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:10:13,650 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2021-12-17 15:10:13,650 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 127 151) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:10:13,650 INFO L854 garLoopResultBuilder]: At program point L301(lines 286 304) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,650 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 127 151) no Hoare annotation was computed. [2021-12-17 15:10:13,656 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point L831-1(lines 827 838) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 827 838) the Hoare annotation is: true [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2021-12-17 15:10:13,657 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 905 934) no Hoare annotation was computed. [2021-12-17 15:10:13,658 INFO L858 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2021-12-17 15:10:13,658 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 905 934) the Hoare annotation is: true [2021-12-17 15:10:13,658 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-12-17 15:10:13,658 INFO L861 garLoopResultBuilder]: At program point L919-1(lines 919 923) the Hoare annotation is: true [2021-12-17 15:10:13,658 INFO L858 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2021-12-17 15:10:13,658 INFO L861 garLoopResultBuilder]: At program point L915-2(lines 915 929) the Hoare annotation is: true [2021-12-17 15:10:13,658 INFO L861 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: true [2021-12-17 15:10:13,658 INFO L858 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2021-12-17 15:10:13,658 INFO L861 garLoopResultBuilder]: At program point L930(lines 905 934) the Hoare annotation is: true [2021-12-17 15:10:13,659 INFO L854 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,659 INFO L858 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2021-12-17 15:10:13,659 INFO L854 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) .cse3) (let ((.cse6 (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse1 (and .cse5 .cse6 .cse7) (and .cse5 .cse6 .cse2) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse5 .cse7 .cse9) (and .cse5 .cse9 .cse2) .cse8)) (or .cse4 .cse0 .cse1 .cse3))) [2021-12-17 15:10:13,659 INFO L858 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2021-12-17 15:10:13,659 INFO L854 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:13,659 INFO L854 garLoopResultBuilder]: At program point L172-1(lines 153 177) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse2 (and .cse1 .cse3) (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse5 (= ~waterLevel~0 1))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse2 (and .cse4 .cse5 .cse6) (and .cse4 .cse5 .cse3) .cse7)) (let ((.cse8 (<= ~waterLevel~0 2))) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse4 .cse6 .cse8) (and .cse4 .cse8 .cse3) .cse7)))) [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L854 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5) (or .cse0 .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 169) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2021-12-17 15:10:13,660 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 357) no Hoare annotation was computed. [2021-12-17 15:10:13,661 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 360) no Hoare annotation was computed. [2021-12-17 15:10:13,661 INFO L854 garLoopResultBuilder]: At program point L343-1(lines 335 363) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not .cse5)) (.cse4 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse1 .cse2 .cse7 .cse3) .cse8)) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse5 .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse1 .cse7 .cse9 .cse3) (and .cse1 .cse9 .cse3 .cse4) .cse8)) (or .cse0 .cse5 .cse6 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|)) .cse10) (let ((.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse5 (and .cse11 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse6 (and .cse11 .cse7) .cse10))))) [2021-12-17 15:10:13,661 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-12-17 15:10:13,661 INFO L854 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse2 (and .cse1 .cse3) .cse4)) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse5 .cse0 .cse2 (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse3) .cse9)) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse6 .cse8 .cse10) (and .cse6 .cse10 .cse3) .cse9)) (or .cse5 .cse0 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse2 .cse4))) [2021-12-17 15:10:13,661 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 354) no Hoare annotation was computed. [2021-12-17 15:10:13,661 INFO L854 garLoopResultBuilder]: At program point L1009(lines 1004 1011) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:13,661 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 .cse4) .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5) (or .cse0 .cse1 (and .cse2 .cse4 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,662 INFO L858 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2021-12-17 15:10:13,662 INFO L854 garLoopResultBuilder]: At program point L332(lines 325 334) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse2 .cse4) .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse5))) [2021-12-17 15:10:13,662 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2021-12-17 15:10:13,662 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-12-17 15:10:13,662 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2021-12-17 15:10:13,662 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,662 INFO L854 garLoopResultBuilder]: At program point L807-2(lines 803 814) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,663 INFO L854 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,663 INFO L854 garLoopResultBuilder]: At program point L1043(lines 1038 1046) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,663 INFO L854 garLoopResultBuilder]: At program point L1035(lines 1031 1037) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,663 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 420) no Hoare annotation was computed. [2021-12-17 15:10:13,663 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,663 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2021-12-17 15:10:13,663 INFO L854 garLoopResultBuilder]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~11#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:10:13,663 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,663 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,664 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2021-12-17 15:10:13,664 INFO L858 garLoopResultBuilder]: For program point L379(lines 378 425) no Hoare annotation was computed. [2021-12-17 15:10:13,664 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2021-12-17 15:10:13,664 INFO L854 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~11#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:10:13,664 INFO L861 garLoopResultBuilder]: At program point L974(lines 966 976) the Hoare annotation is: true [2021-12-17 15:10:13,664 INFO L861 garLoopResultBuilder]: At program point L429(lines 368 433) the Hoare annotation is: true [2021-12-17 15:10:13,664 INFO L861 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2021-12-17 15:10:13,664 INFO L854 garLoopResultBuilder]: At program point L1028(lines 1024 1030) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,665 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-12-17 15:10:13,665 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2021-12-17 15:10:13,665 INFO L854 garLoopResultBuilder]: At program point L322(lines 317 324) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~11#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,665 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,665 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2021-12-17 15:10:13,665 INFO L854 garLoopResultBuilder]: At program point L310(lines 305 312) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~11#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:10:13,665 INFO L854 garLoopResultBuilder]: At program point L426(lines 377 427) the Hoare annotation is: false [2021-12-17 15:10:13,665 INFO L854 garLoopResultBuilder]: At program point L963(lines 959 965) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~11#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,665 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-12-17 15:10:13,666 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2021-12-17 15:10:13,666 INFO L854 garLoopResultBuilder]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~11#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:10:13,673 INFO L854 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~11#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 .cse5 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:10:13,673 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)))) [2021-12-17 15:10:13,673 INFO L854 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L193-2(lines 186 202) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (<= 2 ~waterLevel~0))) (or (and .cse2 (= ~pumpRunning~0 0)) .cse0 (and (<= 1 ~pumpRunning~0) .cse2) .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L282(lines 267 285) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse2) .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) .cse2) .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L889(lines 880 893) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse2) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2) .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L183(lines 178 185) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 815 826) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= ~pumpRunning~0 0)) .cse3))) [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L819-1(lines 815 826) no Hoare annotation was computed. [2021-12-17 15:10:13,676 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 211 221) the Hoare annotation is: true [2021-12-17 15:10:13,676 INFO L861 garLoopResultBuilder]: At program point L844(lines 839 847) the Hoare annotation is: true [2021-12-17 15:10:13,676 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 211 221) no Hoare annotation was computed. [2021-12-17 15:10:13,676 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 211 221) no Hoare annotation was computed. [2021-12-17 15:10:13,678 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:13,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:10:13,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:10:13 BoogieIcfgContainer [2021-12-17 15:10:13,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:10:13,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:10:13,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:10:13,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:10:13,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:06" (3/4) ... [2021-12-17 15:10:13,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:10:13,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:10:13,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:10:13,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 15:10:13,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:10:13,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:10:13,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:10:13,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:10:13,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:13,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:13,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) [2021-12-17 15:10:13,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(2 <= \old(waterLevel)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2) && !(0 == systemActive))) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && tmp <= 2) && 2 <= \result) && 1 < tmp)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || ((tmp___0 == 0 && \result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,770 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:10:13,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:10:13,770 INFO L158 Benchmark]: Toolchain (without parser) took 8375.41ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 52.6MB in the beginning and 96.3MB in the end (delta: -43.6MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.60ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 52.4MB in the beginning and 95.7MB in the end (delta: -43.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.87ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: Boogie Preprocessor took 43.29ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: RCFGBuilder took 485.89ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 73.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,771 INFO L158 Benchmark]: TraceAbstraction took 7286.80ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 104.7MB in the end (delta: -31.2MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,772 INFO L158 Benchmark]: Witness Printer took 44.83ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 96.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.60ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 52.4MB in the beginning and 95.7MB in the end (delta: -43.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.87ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.29ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 91.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.89ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 73.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7286.80ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 104.7MB in the end (delta: -31.2MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Witness Printer took 44.83ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 96.3MB in the end (delta: 8.4MB). 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: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2031 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1989 mSDsluCounter, 4587 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3202 mSDsCounter, 698 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2733 IncrementalHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 698 mSolverCounterUnsat, 1385 mSDtfsCounter, 2733 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 379 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=9, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 146 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 1198 PreInvPairs, 1399 NumberOfFragments, 2068 HoareAnnotationTreeSize, 1198 FomulaSimplifications, 701 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 9253 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 1620 SizeOfPredicates, 3 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/153 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: 1031]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (\result <= 2 && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || ((tmp___0 == 0 && \result == 0) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 1024]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(2 <= \old(waterLevel)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2) && !(0 == systemActive))) || (((1 <= switchedOnBeforeTS && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && tmp <= 2) && 2 <= \result) && 1 < tmp)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && pumpRunning == \old(pumpRunning)) && waterLevel <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel <= 2) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 2)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:10:13,802 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