./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product54.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_spec2_product54.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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:16,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:16,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:16,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:16,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:16,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:16,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:16,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:16,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:16,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:16,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:16,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:16,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:16,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:16,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:16,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:16,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:16,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:16,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:16,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:16,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:16,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:16,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:16,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:16,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:16,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:16,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:16,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:16,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:16,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:16,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:16,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:16,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:16,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:16,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:16,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:16,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:16,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:16,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:16,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:16,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:16,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:16,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:16,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:16,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:16,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:16,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:16,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:16,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:16,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:16,711 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:16,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:16,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:16,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:16,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:16,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:16,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:16,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:16,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:16,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:16,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:16,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:16,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:16,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:16,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:16,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2021-12-16 00:59:16,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:16,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:16,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:16,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:16,911 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:16,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-12-16 00:59:16,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671ac7d2f/96770412ef5c4d50ad9ea16cebb7caf1/FLAG74a4835e4 [2021-12-16 00:59:17,334 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:17,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2021-12-16 00:59:17,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671ac7d2f/96770412ef5c4d50ad9ea16cebb7caf1/FLAG74a4835e4 [2021-12-16 00:59:17,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671ac7d2f/96770412ef5c4d50ad9ea16cebb7caf1 [2021-12-16 00:59:17,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:17,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:17,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:17,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:17,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:17,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:17" (1/1) ... [2021-12-16 00:59:17,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a51a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:17, skipping insertion in model container [2021-12-16 00:59:17,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:17" (1/1) ... [2021-12-16 00:59:17,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:17,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:17,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-12-16 00:59:17,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:17,987 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:18,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2021-12-16 00:59:18,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:18,058 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:18,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18 WrapperNode [2021-12-16 00:59:18,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:18,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:18,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:18,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:18,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,099 INFO L137 Inliner]: procedures = 58, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 280 [2021-12-16 00:59:18,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:18,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:18,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:18,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:18,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:18,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:18,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:18,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:18,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (1/1) ... [2021-12-16 00:59:18,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:18,142 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) [2021-12-16 00:59:18,144 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 [2021-12-16 00:59:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:18,219 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:18,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:18,473 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:18,478 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:18,479 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:18,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:18 BoogieIcfgContainer [2021-12-16 00:59:18,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:18,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:18,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:18,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:18,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:17" (1/3) ... [2021-12-16 00:59:18,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611495e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:18, skipping insertion in model container [2021-12-16 00:59:18,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:18" (2/3) ... [2021-12-16 00:59:18,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611495e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:18, skipping insertion in model container [2021-12-16 00:59:18,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:18" (3/3) ... [2021-12-16 00:59:18,492 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2021-12-16 00:59:18,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:18,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:18,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:18,552 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 [2021-12-16 00:59:18,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-16 00:59:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:18,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:18,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:18,586 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:18,590 INFO L85 PathProgramCache]: Analyzing trace with hash 244440816, now seen corresponding path program 1 times [2021-12-16 00:59:18,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137677528] [2021-12-16 00:59:18,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:18,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:18,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:18,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137677528] [2021-12-16 00:59:18,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137677528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:18,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:18,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:18,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909456703] [2021-12-16 00:59:18,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:18,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:18,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:18,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:18,815 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:18,855 INFO L93 Difference]: Finished difference Result 197 states and 268 transitions. [2021-12-16 00:59:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:18,856 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:59:18,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:18,863 INFO L225 Difference]: With dead ends: 197 [2021-12-16 00:59:18,863 INFO L226 Difference]: Without dead ends: 94 [2021-12-16 00:59:18,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:18,871 INFO L933 BasicCegarLoop]: 131 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, 131 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 [2021-12-16 00:59:18,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:18,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-16 00:59:18,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-12-16 00:59:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:59:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-12-16 00:59:18,913 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 25 [2021-12-16 00:59:18,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:18,914 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-12-16 00:59:18,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-12-16 00:59:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:18,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:18,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:18,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:18,919 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:18,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:18,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1307515066, now seen corresponding path program 1 times [2021-12-16 00:59:18,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:18,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677003440] [2021-12-16 00:59:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:18,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:19,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677003440] [2021-12-16 00:59:19,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677003440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:19,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130813587] [2021-12-16 00:59:19,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:19,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:19,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:19,004 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:19,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,024 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2021-12-16 00:59:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:19,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:59:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,026 INFO L225 Difference]: With dead ends: 152 [2021-12-16 00:59:19,026 INFO L226 Difference]: Without dead ends: 85 [2021-12-16 00:59:19,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:19,032 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 13 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 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 [2021-12-16 00:59:19,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:19,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-16 00:59:19,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-16 00:59:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:59:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2021-12-16 00:59:19,044 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 26 [2021-12-16 00:59:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,045 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2021-12-16 00:59:19,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2021-12-16 00:59:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:19,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:19,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:19,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1771610293, now seen corresponding path program 1 times [2021-12-16 00:59:19,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030708863] [2021-12-16 00:59:19,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:19,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030708863] [2021-12-16 00:59:19,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030708863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:19,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300254573] [2021-12-16 00:59:19,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:19,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:19,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:19,129 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:19,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,158 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2021-12-16 00:59:19,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:19,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-16 00:59:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,159 INFO L225 Difference]: With dead ends: 162 [2021-12-16 00:59:19,160 INFO L226 Difference]: Without dead ends: 85 [2021-12-16 00:59:19,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:19,162 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 104 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:19,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-16 00:59:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-16 00:59:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:59:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2021-12-16 00:59:19,173 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 31 [2021-12-16 00:59:19,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,173 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2021-12-16 00:59:19,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2021-12-16 00:59:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-16 00:59:19,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,176 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] [2021-12-16 00:59:19,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:19,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1359704802, now seen corresponding path program 1 times [2021-12-16 00:59:19,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889572434] [2021-12-16 00:59:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 00:59:19,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889572434] [2021-12-16 00:59:19,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889572434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 00:59:19,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24626723] [2021-12-16 00:59:19,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 00:59:19,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 00:59:19,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 00:59:19,238 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 00:59:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,380 INFO L93 Difference]: Finished difference Result 242 states and 316 transitions. [2021-12-16 00:59:19,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:19,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2021-12-16 00:59:19,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,384 INFO L225 Difference]: With dead ends: 242 [2021-12-16 00:59:19,384 INFO L226 Difference]: Without dead ends: 165 [2021-12-16 00:59:19,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:19,386 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 150 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:19,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 234 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-16 00:59:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2021-12-16 00:59:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 119 states have (on average 1.2941176470588236) internal successors, (154), 127 states have internal predecessors, (154), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2021-12-16 00:59:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 203 transitions. [2021-12-16 00:59:19,398 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 203 transitions. Word has length 44 [2021-12-16 00:59:19,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,399 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 203 transitions. [2021-12-16 00:59:19,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 00:59:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 203 transitions. [2021-12-16 00:59:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 00:59:19,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:19,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:19,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 179521665, now seen corresponding path program 1 times [2021-12-16 00:59:19,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227148020] [2021-12-16 00:59:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:19,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227148020] [2021-12-16 00:59:19,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227148020] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:19,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798111082] [2021-12-16 00:59:19,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:19,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:19,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:19,454 INFO L87 Difference]: Start difference. First operand 159 states and 203 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,558 INFO L93 Difference]: Finished difference Result 318 states and 414 transitions. [2021-12-16 00:59:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:19,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2021-12-16 00:59:19,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,560 INFO L225 Difference]: With dead ends: 318 [2021-12-16 00:59:19,560 INFO L226 Difference]: Without dead ends: 167 [2021-12-16 00:59:19,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 00:59:19,561 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 72 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:19,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 446 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:19,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-12-16 00:59:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2021-12-16 00:59:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2021-12-16 00:59:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2021-12-16 00:59:19,572 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 50 [2021-12-16 00:59:19,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,572 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2021-12-16 00:59:19,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2021-12-16 00:59:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 00:59:19,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:19,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:19,573 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 602223491, now seen corresponding path program 1 times [2021-12-16 00:59:19,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258791840] [2021-12-16 00:59:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:19,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258791840] [2021-12-16 00:59:19,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258791840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:19,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698530800] [2021-12-16 00:59:19,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:19,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:19,640 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:19,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,745 INFO L93 Difference]: Finished difference Result 326 states and 428 transitions. [2021-12-16 00:59:19,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 00:59:19,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2021-12-16 00:59:19,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,747 INFO L225 Difference]: With dead ends: 326 [2021-12-16 00:59:19,747 INFO L226 Difference]: Without dead ends: 172 [2021-12-16 00:59:19,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:19,748 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 168 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:19,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 333 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-12-16 00:59:19,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 164. [2021-12-16 00:59:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.282258064516129) internal successors, (159), 132 states have internal predecessors, (159), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2021-12-16 00:59:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 208 transitions. [2021-12-16 00:59:19,758 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 208 transitions. Word has length 50 [2021-12-16 00:59:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,758 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 208 transitions. [2021-12-16 00:59:19,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 208 transitions. [2021-12-16 00:59:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 00:59:19,759 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:19,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:59:19,760 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1203214843, now seen corresponding path program 1 times [2021-12-16 00:59:19,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060094503] [2021-12-16 00:59:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:19,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:19,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060094503] [2021-12-16 00:59:19,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060094503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:19,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:19,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:19,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617128744] [2021-12-16 00:59:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:19,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:19,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:19,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:19,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:19,808 INFO L87 Difference]: Start difference. First operand 164 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:59:19,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:19,968 INFO L93 Difference]: Finished difference Result 458 states and 602 transitions. [2021-12-16 00:59:19,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:19,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2021-12-16 00:59:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:19,970 INFO L225 Difference]: With dead ends: 458 [2021-12-16 00:59:19,970 INFO L226 Difference]: Without dead ends: 302 [2021-12-16 00:59:19,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:19,971 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 221 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:19,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 366 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:19,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-12-16 00:59:19,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 294. [2021-12-16 00:59:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 221 states have (on average 1.257918552036199) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2021-12-16 00:59:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2021-12-16 00:59:19,986 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 50 [2021-12-16 00:59:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:19,986 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2021-12-16 00:59:19,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:59:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2021-12-16 00:59:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 00:59:19,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:19,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:19,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:59:19,988 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:19,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1971090006, now seen corresponding path program 1 times [2021-12-16 00:59:19,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:19,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714955434] [2021-12-16 00:59:19,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:19,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:59:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 00:59:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:20,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:20,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714955434] [2021-12-16 00:59:20,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714955434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:20,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:20,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:20,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504603803] [2021-12-16 00:59:20,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:20,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:20,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:20,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:20,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:20,037 INFO L87 Difference]: Start difference. First operand 294 states and 376 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:20,218 INFO L93 Difference]: Finished difference Result 866 states and 1136 transitions. [2021-12-16 00:59:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-12-16 00:59:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:20,221 INFO L225 Difference]: With dead ends: 866 [2021-12-16 00:59:20,221 INFO L226 Difference]: Without dead ends: 580 [2021-12-16 00:59:20,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:20,222 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 179 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:20,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 440 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:20,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-12-16 00:59:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 560. [2021-12-16 00:59:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 415 states have (on average 1.219277108433735) internal successors, (506), 438 states have internal predecessors, (506), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2021-12-16 00:59:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 707 transitions. [2021-12-16 00:59:20,254 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 707 transitions. Word has length 52 [2021-12-16 00:59:20,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:20,254 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 707 transitions. [2021-12-16 00:59:20,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 707 transitions. [2021-12-16 00:59:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-16 00:59:20,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:20,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:20,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:59:20,256 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1067067282, now seen corresponding path program 1 times [2021-12-16 00:59:20,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:20,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937542105] [2021-12-16 00:59:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:20,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 00:59:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 00:59:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:20,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:20,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937542105] [2021-12-16 00:59:20,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937542105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:20,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:20,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:20,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100357248] [2021-12-16 00:59:20,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:20,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:20,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:20,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:20,310 INFO L87 Difference]: Start difference. First operand 560 states and 707 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:20,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:20,614 INFO L93 Difference]: Finished difference Result 1128 states and 1437 transitions. [2021-12-16 00:59:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 00:59:20,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2021-12-16 00:59:20,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:20,617 INFO L225 Difference]: With dead ends: 1128 [2021-12-16 00:59:20,617 INFO L226 Difference]: Without dead ends: 576 [2021-12-16 00:59:20,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-16 00:59:20,619 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 205 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:20,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 240 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-12-16 00:59:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 556. [2021-12-16 00:59:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 411 states have (on average 1.2019464720194648) internal successors, (494), 434 states have internal predecessors, (494), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2021-12-16 00:59:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 695 transitions. [2021-12-16 00:59:20,648 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 695 transitions. Word has length 56 [2021-12-16 00:59:20,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:20,649 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 695 transitions. [2021-12-16 00:59:20,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 695 transitions. [2021-12-16 00:59:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-16 00:59:20,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:20,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:20,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 00:59:20,650 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:20,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2127597403, now seen corresponding path program 1 times [2021-12-16 00:59:20,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:20,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617257118] [2021-12-16 00:59:20,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:20,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 00:59:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:20,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:20,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617257118] [2021-12-16 00:59:20,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617257118] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:20,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:20,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:20,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345273539] [2021-12-16 00:59:20,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:20,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:20,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:20,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:20,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:20,691 INFO L87 Difference]: Start difference. First operand 556 states and 695 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:21,051 INFO L93 Difference]: Finished difference Result 1084 states and 1428 transitions. [2021-12-16 00:59:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:21,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-16 00:59:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:21,056 INFO L225 Difference]: With dead ends: 1084 [2021-12-16 00:59:21,056 INFO L226 Difference]: Without dead ends: 1082 [2021-12-16 00:59:21,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:21,057 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 455 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:21,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 210 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-16 00:59:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 842. [2021-12-16 00:59:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 620 states have (on average 1.206451612903226) internal successors, (748), 664 states have internal predecessors, (748), 114 states have call successors, (114), 84 states have call predecessors, (114), 107 states have return successors, (244), 116 states have call predecessors, (244), 114 states have call successors, (244) [2021-12-16 00:59:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1106 transitions. [2021-12-16 00:59:21,092 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1106 transitions. Word has length 58 [2021-12-16 00:59:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:21,093 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1106 transitions. [2021-12-16 00:59:21,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1106 transitions. [2021-12-16 00:59:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-16 00:59:21,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:21,095 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-16 00:59:21,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 00:59:21,096 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:21,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash -582322242, now seen corresponding path program 1 times [2021-12-16 00:59:21,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:21,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765812628] [2021-12-16 00:59:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:21,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:59:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 00:59:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 00:59:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-16 00:59:21,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:21,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765812628] [2021-12-16 00:59:21,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765812628] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:21,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889029711] [2021-12-16 00:59:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:21,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:21,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:21,192 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) [2021-12-16 00:59:21,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 00:59:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 00:59:21,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:21,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:21,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889029711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:21,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:21,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-12-16 00:59:21,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501878381] [2021-12-16 00:59:21,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:21,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:21,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:21,483 INFO L87 Difference]: Start difference. First operand 842 states and 1106 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:21,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:21,522 INFO L93 Difference]: Finished difference Result 1458 states and 1956 transitions. [2021-12-16 00:59:21,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:21,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2021-12-16 00:59:21,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:21,525 INFO L225 Difference]: With dead ends: 1458 [2021-12-16 00:59:21,525 INFO L226 Difference]: Without dead ends: 730 [2021-12-16 00:59:21,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:21,528 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 51 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:21,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 222 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:21,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-12-16 00:59:21,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 730. [2021-12-16 00:59:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 537 states have (on average 1.1824953445065176) internal successors, (635), 576 states have internal predecessors, (635), 99 states have call successors, (99), 77 states have call predecessors, (99), 93 states have return successors, (155), 99 states have call predecessors, (155), 99 states have call successors, (155) [2021-12-16 00:59:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 889 transitions. [2021-12-16 00:59:21,568 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 889 transitions. Word has length 102 [2021-12-16 00:59:21,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:21,569 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 889 transitions. [2021-12-16 00:59:21,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 889 transitions. [2021-12-16 00:59:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-16 00:59:21,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:21,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:21,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:21,787 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,SelfDestructingSolverStorable10 [2021-12-16 00:59:21,787 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:21,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:21,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1563413676, now seen corresponding path program 1 times [2021-12-16 00:59:21,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:21,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160599142] [2021-12-16 00:59:21,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:21,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:59:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 00:59:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 00:59:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 00:59:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 00:59:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-16 00:59:21,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:21,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160599142] [2021-12-16 00:59:21,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160599142] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:21,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935645479] [2021-12-16 00:59:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:21,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:21,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:21,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 00:59:21,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 00:59:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:21,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 00:59:21,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 00:59:22,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:22,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935645479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:22,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:22,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-16 00:59:22,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604334651] [2021-12-16 00:59:22,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:22,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:22,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:22,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:22,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-16 00:59:22,150 INFO L87 Difference]: Start difference. First operand 730 states and 889 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 00:59:22,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:22,231 INFO L93 Difference]: Finished difference Result 1315 states and 1596 transitions. [2021-12-16 00:59:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:22,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-16 00:59:22,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:22,232 INFO L225 Difference]: With dead ends: 1315 [2021-12-16 00:59:22,233 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:22,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-12-16 00:59:22,237 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 46 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:22,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 872 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:22,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:22,238 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) [2021-12-16 00:59:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:22,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2021-12-16 00:59:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:22,239 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:22,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 00:59:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:22,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:22,241 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:22,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:22,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-16 00:59:22,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:25,877 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 758 765) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-16 00:59:25,877 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 758 765) no Hoare annotation was computed. [2021-12-16 00:59:25,877 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 758 765) no Hoare annotation was computed. [2021-12-16 00:59:25,877 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 665 671) no Hoare annotation was computed. [2021-12-16 00:59:25,878 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 665 671) the Hoare annotation is: true [2021-12-16 00:59:25,878 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 896 907) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse6 .cse7) (or .cse5 .cse0 .cse1 .cse3 .cse7))) [2021-12-16 00:59:25,878 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 896 907) no Hoare annotation was computed. [2021-12-16 00:59:25,878 INFO L858 garLoopResultBuilder]: For program point L900-1(lines 896 907) no Hoare annotation was computed. [2021-12-16 00:59:25,878 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 908 916) the Hoare annotation is: true [2021-12-16 00:59:25,879 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 908 916) no Hoare annotation was computed. [2021-12-16 00:59:25,879 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 908 916) no Hoare annotation was computed. [2021-12-16 00:59:25,879 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2021-12-16 00:59:25,880 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2021-12-16 00:59:25,880 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2021-12-16 00:59:25,880 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2021-12-16 00:59:25,881 INFO L854 garLoopResultBuilder]: At program point L176-1(lines 168 196) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse12 (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~8#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse5)) (.cse6 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or (and .cse1 .cse2 .cse3) .cse6 .cse10 .cse7 (and .cse1 .cse4 .cse5) .cse9) (or (and .cse0 .cse4 .cse5) .cse6 (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse8 .cse11) (or (not (<= 2 |old(~waterLevel~0)|)) .cse12 .cse6 .cse10 .cse11) (or .cse12 .cse6 .cse10 .cse11 .cse9)))) [2021-12-16 00:59:25,881 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 641 664) no Hoare annotation was computed. [2021-12-16 00:59:25,881 INFO L854 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse6) (or .cse0 .cse4 .cse5 .cse6))) [2021-12-16 00:59:25,882 INFO L858 garLoopResultBuilder]: For program point L771-1(line 771) no Hoare annotation was computed. [2021-12-16 00:59:25,882 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-12-16 00:59:25,882 INFO L858 garLoopResultBuilder]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2021-12-16 00:59:25,882 INFO L854 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-16 00:59:25,882 INFO L854 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~8#1|)) (.cse8 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse6 (and .cse1 (= ~methAndRunningLastTime~0 0) .cse7 .cse8) .cse3 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse6 (and .cse1 .cse7 .cse8) .cse3))) [2021-12-16 00:59:25,882 INFO L858 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-12-16 00:59:25,882 INFO L854 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~8#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse13)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (and .cse8 .cse13)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7 .cse4) (or (and .cse8 .cse9 .cse10 .cse7) .cse11 .cse0 .cse1 .cse6 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or (and .cse8 .cse9 .cse10) .cse11 .cse0 .cse6 .cse12 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse13 .cse3) (or .cse5 .cse0 .cse6 .cse7 .cse12 .cse4)))) [2021-12-16 00:59:25,883 INFO L858 garLoopResultBuilder]: For program point L174-1(line 174) no Hoare annotation was computed. [2021-12-16 00:59:25,883 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-12-16 00:59:25,883 INFO L854 garLoopResultBuilder]: At program point L876-2(lines 872 883) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse6) (or .cse0 .cse4 .cse5 .cse6))) [2021-12-16 00:59:25,883 INFO L854 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4) .cse0 .cse5 .cse1 .cse6) (or .cse0 .cse7 .cse2 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse8 .cse1 .cse6) (or .cse0 .cse7 .cse5 (and .cse3 .cse8 .cse4) .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse7 .cse2))) [2021-12-16 00:59:25,884 INFO L854 garLoopResultBuilder]: At program point L744-1(lines 725 749) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~8#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse13)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (and .cse8 .cse13)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7 .cse4) (or (and .cse8 .cse9 .cse10 .cse7) .cse11 .cse0 .cse1 .cse6 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or (and .cse8 .cse9 .cse10) .cse11 .cse0 .cse6 .cse12 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse13 .cse3) (or .cse5 .cse0 .cse6 .cse7 .cse12 .cse4)))) [2021-12-16 00:59:25,884 INFO L854 garLoopResultBuilder]: At program point L773(lines 766 776) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse6 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 (and .cse0 .cse1) .cse4) (or .cse2 .cse7 .cse6 .cse5) (or .cse2 .cse3 .cse7 .cse5))) [2021-12-16 00:59:25,884 INFO L858 garLoopResultBuilder]: For program point L645-1(lines 644 663) no Hoare annotation was computed. [2021-12-16 00:59:25,884 INFO L854 garLoopResultBuilder]: At program point L1013(lines 1008 1015) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse4) (or .cse0 .cse3 .cse5 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-16 00:59:25,884 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 641 664) the Hoare annotation is: (let ((.cse7 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse5 .cse6)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (and .cse5 .cse7 (= ~pumpRunning~0 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse4 .cse3) (or (and .cse5 .cse6 .cse7) .cse1 .cse4 .cse3 .cse8) (or .cse1 .cse4 .cse9 .cse10 .cse8) (or .cse1 .cse9 .cse2 .cse10 .cse8)))) [2021-12-16 00:59:25,884 INFO L854 garLoopResultBuilder]: At program point L782(lines 777 785) the Hoare annotation is: (let ((.cse9 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse9 (<= 1 |timeShift_processEnvironment_~tmp~8#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse3) (or .cse0 .cse4 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse8 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse5) .cse0 .cse1 (and .cse9 .cse8 .cse10) .cse4 .cse6))))) [2021-12-16 00:59:25,884 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 641 664) no Hoare annotation was computed. [2021-12-16 00:59:25,885 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-12-16 00:59:25,885 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-16 00:59:25,885 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-16 00:59:25,885 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-16 00:59:25,885 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-16 00:59:25,885 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-16 00:59:25,885 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-16 00:59:25,886 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-16 00:59:25,886 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-16 00:59:25,886 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-16 00:59:25,886 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-16 00:59:25,886 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:25,886 INFO L858 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2021-12-16 00:59:25,886 INFO L861 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2021-12-16 00:59:25,886 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2021-12-16 00:59:25,886 INFO L861 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-12-16 00:59:25,887 INFO L854 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse4 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:25,888 INFO L861 garLoopResultBuilder]: At program point L626(lines 565 630) the Hoare annotation is: true [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:25,888 INFO L854 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2021-12-16 00:59:25,889 INFO L854 garLoopResultBuilder]: At program point L1003(lines 998 1006) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:25,889 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:25,889 INFO L854 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:25,889 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:25,889 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-12-16 00:59:25,889 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2021-12-16 00:59:25,889 INFO L854 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse4 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:25,889 INFO L854 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse4 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:25,890 INFO L854 garLoopResultBuilder]: At program point L988(lines 984 990) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:25,890 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:25,891 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-12-16 00:59:25,891 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2021-12-16 00:59:25,891 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2021-12-16 00:59:25,891 INFO L854 garLoopResultBuilder]: At program point L613-2(lines 605 618) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:25,891 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 673 697) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:25,891 INFO L854 garLoopResultBuilder]: At program point L958(lines 949 962) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse5)) (.cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse5)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse4 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse4)))) [2021-12-16 00:59:25,891 INFO L854 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,892 INFO L858 garLoopResultBuilder]: For program point L692-1(lines 673 697) no Hoare annotation was computed. [2021-12-16 00:59:25,892 INFO L854 garLoopResultBuilder]: At program point L837(lines 822 840) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 2 ~waterLevel~0) .cse5)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= ~systemActive~0 1) .cse5))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse3 .cse4 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0)) .cse4)))) [2021-12-16 00:59:25,892 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-12-16 00:59:25,892 INFO L858 garLoopResultBuilder]: For program point L831-2(lines 831 835) no Hoare annotation was computed. [2021-12-16 00:59:25,892 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 673 697) no Hoare annotation was computed. [2021-12-16 00:59:25,892 INFO L858 garLoopResultBuilder]: For program point L953(lines 953 959) no Hoare annotation was computed. [2021-12-16 00:59:25,892 INFO L854 garLoopResultBuilder]: At program point L755(lines 750 757) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse3 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,892 INFO L854 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse4)) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse1)))) [2021-12-16 00:59:25,893 INFO L858 garLoopResultBuilder]: For program point L681(lines 681 689) no Hoare annotation was computed. [2021-12-16 00:59:25,893 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 694) no Hoare annotation was computed. [2021-12-16 00:59:25,893 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 884 895) no Hoare annotation was computed. [2021-12-16 00:59:25,894 INFO L858 garLoopResultBuilder]: For program point L888-1(lines 884 895) no Hoare annotation was computed. [2021-12-16 00:59:25,894 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 884 895) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse0 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse3 .cse5 .cse6))) [2021-12-16 00:59:25,894 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 699 723) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:25,894 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,894 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,894 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 715) no Hoare annotation was computed. [2021-12-16 00:59:25,894 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2021-12-16 00:59:25,895 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 699 723) no Hoare annotation was computed. [2021-12-16 00:59:25,895 INFO L854 garLoopResultBuilder]: At program point L856(lines 841 859) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,895 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 854) no Hoare annotation was computed. [2021-12-16 00:59:25,895 INFO L858 garLoopResultBuilder]: For program point L850-2(lines 850 854) no Hoare annotation was computed. [2021-12-16 00:59:25,895 INFO L854 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:25,895 INFO L858 garLoopResultBuilder]: For program point L718-1(lines 699 723) no Hoare annotation was computed. [2021-12-16 00:59:25,895 INFO L854 garLoopResultBuilder]: At program point L968(lines 963 971) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:25,898 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:25,898 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:25,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:25 BoogieIcfgContainer [2021-12-16 00:59:25,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:25,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:25,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:25,934 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:25,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:18" (3/4) ... [2021-12-16 00:59:25,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:25,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:25,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:25,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:25,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:25,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-12-16 00:59:25,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:25,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:25,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:25,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:25,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:25,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:25,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:25,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:25,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0) || !(1 == systemActive)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning)))) && (((((((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:25,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:25,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:25,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:25,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-16 00:59:25,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:25,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:25,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((\result == 0 && tmp___0 == 0) && systemActive == 1) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && ((((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || (((\result == 0 && tmp___0 == 0) && systemActive == 1) && pumpRunning == 0)) [2021-12-16 00:59:25,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:26,003 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:26,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:26,004 INFO L158 Benchmark]: Toolchain (without parser) took 8303.07ms. Allocated memory was 127.9MB in the beginning and 226.5MB in the end (delta: 98.6MB). Free memory was 101.7MB in the beginning and 142.7MB in the end (delta: -41.0MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,004 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:26,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 95.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.88ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,005 INFO L158 Benchmark]: Boogie Preprocessor took 18.52ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,005 INFO L158 Benchmark]: RCFGBuilder took 366.71ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 73.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,005 INFO L158 Benchmark]: TraceAbstraction took 7446.64ms. Allocated memory was 127.9MB in the beginning and 226.5MB in the end (delta: 98.6MB). Free memory was 72.6MB in the beginning and 150.0MB in the end (delta: -77.5MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,006 INFO L158 Benchmark]: Witness Printer took 69.83ms. Allocated memory is still 226.5MB. Free memory was 150.0MB in the beginning and 142.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:59:26,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 95.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.88ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.52ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.71ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 73.1MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7446.64ms. Allocated memory was 127.9MB in the beginning and 226.5MB in the end (delta: 98.6MB). Free memory was 72.6MB in the beginning and 150.0MB in the end (delta: -77.5MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. * Witness Printer took 69.83ms. Allocated memory is still 226.5MB. Free memory was 150.0MB in the beginning and 142.7MB in the end (delta: 7.3MB). 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: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1698 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1664 mSDsluCounter, 3803 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2335 mSDsCounter, 571 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1405 IncrementalHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 571 mSolverCounterUnsat, 1468 mSDtfsCounter, 1405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=842occurred in iteration=10, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 307 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 1750 PreInvPairs, 1949 NumberOfFragments, 2840 HoareAnnotationTreeSize, 1750 FomulaSimplifications, 1467 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 48 FomulaSimplificationsInter, 15114 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 856 ConstructedInterpolants, 0 QuantifiedInterpolants, 1563 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 150/161 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: 860]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && methAndRunningLastTime == 0) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0) || !(1 == systemActive)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning)))) && (((((((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((\result == 0 && tmp___0 == 0) && systemActive == 1) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && ((((((2 <= waterLevel && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || (((\result == 0 && tmp___0 == 0) && systemActive == 1) && pumpRunning == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:26,078 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