./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product34.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 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:11,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:11,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:11,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:11,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:11,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:11,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:11,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:11,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:11,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:11,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:11,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:11,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:11,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:11,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:11,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:11,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:11,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:11,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:11,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:11,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:11,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:11,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:11,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:11,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:11,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:11,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:11,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:11,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:11,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:11,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:11,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:11,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:11,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:11,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:11,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:11,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:11,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:11,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:11,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:11,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:11,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:12,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:12,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:12,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:12,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:12,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:12,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:12,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:12,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:12,004 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:12,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:12,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:12,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:12,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:12,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:12,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:12,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:12,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:12,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:12,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:12,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:12,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:12,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:12,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:12,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:12,009 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:12,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:12,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:12,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:12,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef [2021-12-16 01:01:12,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:12,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:12,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:12,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:12,214 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:12,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-12-16 01:01:12,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a85b87d5/f44f9736dee0484298877e5b2d405c7f/FLAGfbd675d1f [2021-12-16 01:01:12,668 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:12,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-12-16 01:01:12,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a85b87d5/f44f9736dee0484298877e5b2d405c7f/FLAGfbd675d1f [2021-12-16 01:01:12,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a85b87d5/f44f9736dee0484298877e5b2d405c7f [2021-12-16 01:01:12,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:12,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:12,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:12,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:12,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:12,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:12" (1/1) ... [2021-12-16 01:01:12,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62db5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:12, skipping insertion in model container [2021-12-16 01:01:12,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:12" (1/1) ... [2021-12-16 01:01:12,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:12,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:12,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-12-16 01:01:12,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:12,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:12,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-12-16 01:01:13,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:13,066 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:13,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13 WrapperNode [2021-12-16 01:01:13,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:13,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:13,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:13,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:13,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,113 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 231 [2021-12-16 01:01:13,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:13,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:13,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:13,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:13,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:13,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:13,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:13,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:13,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:13,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:13,179 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 01:01:13,181 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 01:01:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:13,254 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:13,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:13,444 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:13,449 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:13,451 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:13,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:13 BoogieIcfgContainer [2021-12-16 01:01:13,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:13,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:13,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:13,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:13,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:12" (1/3) ... [2021-12-16 01:01:13,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b77912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:13, skipping insertion in model container [2021-12-16 01:01:13,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (2/3) ... [2021-12-16 01:01:13,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b77912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:13, skipping insertion in model container [2021-12-16 01:01:13,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:13" (3/3) ... [2021-12-16 01:01:13,463 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2021-12-16 01:01:13,467 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:13,467 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:13,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:13,519 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 01:01:13,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.380952380952381) internal successors, (87), 69 states have internal predecessors, (87), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-16 01:01:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:13,548 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:13,549 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:13,550 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:13,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:13,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1727540319, now seen corresponding path program 1 times [2021-12-16 01:01:13,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:13,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889472025] [2021-12-16 01:01:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:13,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,755 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 01:01:13,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:13,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889472025] [2021-12-16 01:01:13,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889472025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:13,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:13,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:13,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240856726] [2021-12-16 01:01:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:13,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:13,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:13,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:13,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:13,792 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.380952380952381) internal successors, (87), 69 states have internal predecessors, (87), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:13,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:13,812 INFO L93 Difference]: Finished difference Result 153 states and 208 transitions. [2021-12-16 01:01:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:13,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-16 01:01:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:13,820 INFO L225 Difference]: With dead ends: 153 [2021-12-16 01:01:13,820 INFO L226 Difference]: Without dead ends: 72 [2021-12-16 01:01:13,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:13,828 INFO L933 BasicCegarLoop]: 101 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, 101 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 01:01:13,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:13,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-16 01:01:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-16 01:01:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 61 states have internal predecessors, (73), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-12-16 01:01:13,881 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 32 [2021-12-16 01:01:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:13,881 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-12-16 01:01:13,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-12-16 01:01:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:13,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:13,902 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:13,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:13,903 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1451153767, now seen corresponding path program 1 times [2021-12-16 01:01:13,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:13,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331706193] [2021-12-16 01:01:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:13,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:13,976 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 01:01:13,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:13,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331706193] [2021-12-16 01:01:13,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331706193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:13,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:13,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:13,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198697700] [2021-12-16 01:01:13,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:13,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:13,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:13,979 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:13,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:13,990 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2021-12-16 01:01:13,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:13,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 01:01:13,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:13,992 INFO L225 Difference]: With dead ends: 108 [2021-12-16 01:01:13,992 INFO L226 Difference]: Without dead ends: 63 [2021-12-16 01:01:13,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:13,996 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 13 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 141 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 01:01:13,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-16 01:01:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-16 01:01:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-16 01:01:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-12-16 01:01:14,008 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 33 [2021-12-16 01:01:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,009 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-12-16 01:01:14,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-12-16 01:01:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 01:01:14,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,012 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:14,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1441161401, now seen corresponding path program 1 times [2021-12-16 01:01:14,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498130248] [2021-12-16 01:01:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 01:01:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,103 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 01:01:14,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498130248] [2021-12-16 01:01:14,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498130248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:14,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238500370] [2021-12-16 01:01:14,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:14,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:14,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:14,107 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,198 INFO L93 Difference]: Finished difference Result 118 states and 153 transitions. [2021-12-16 01:01:14,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:14,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-16 01:01:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,202 INFO L225 Difference]: With dead ends: 118 [2021-12-16 01:01:14,203 INFO L226 Difference]: Without dead ends: 63 [2021-12-16 01:01:14,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:14,206 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 107 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 161 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:14,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-16 01:01:14,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-16 01:01:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.3) internal successors, (65), 55 states have internal predecessors, (65), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-16 01:01:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-12-16 01:01:14,217 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 38 [2021-12-16 01:01:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,219 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-16 01:01:14,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2021-12-16 01:01:14,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-16 01:01:14,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,222 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] [2021-12-16 01:01:14,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:14,223 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,224 INFO L85 PathProgramCache]: Analyzing trace with hash 700709160, now seen corresponding path program 1 times [2021-12-16 01:01:14,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277654875] [2021-12-16 01:01:14,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 01:01:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 01:01:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,313 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 01:01:14,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277654875] [2021-12-16 01:01:14,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277654875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:14,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998791841] [2021-12-16 01:01:14,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:14,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:14,315 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:14,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,340 INFO L93 Difference]: Finished difference Result 162 states and 208 transitions. [2021-12-16 01:01:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:14,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2021-12-16 01:01:14,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,341 INFO L225 Difference]: With dead ends: 162 [2021-12-16 01:01:14,342 INFO L226 Difference]: Without dead ends: 107 [2021-12-16 01:01:14,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 01:01:14,343 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 47 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 153 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-16 01:01:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2021-12-16 01:01:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 88 states have internal predecessors, (106), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-16 01:01:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 132 transitions. [2021-12-16 01:01:14,368 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 132 transitions. Word has length 43 [2021-12-16 01:01:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,369 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 132 transitions. [2021-12-16 01:01:14,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2021-12-16 01:01:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-16 01:01:14,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,370 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:14,371 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1850730352, now seen corresponding path program 1 times [2021-12-16 01:01:14,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656825270] [2021-12-16 01:01:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 01:01:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,425 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 01:01:14,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656825270] [2021-12-16 01:01:14,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656825270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:14,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680628172] [2021-12-16 01:01:14,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:14,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:14,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:14,432 INFO L87 Difference]: Start difference. First operand 105 states and 132 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,478 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2021-12-16 01:01:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:14,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-16 01:01:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,480 INFO L225 Difference]: With dead ends: 221 [2021-12-16 01:01:14,482 INFO L226 Difference]: Without dead ends: 124 [2021-12-16 01:01:14,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:14,484 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 58 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 352 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-12-16 01:01:14,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2021-12-16 01:01:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 91 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-16 01:01:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2021-12-16 01:01:14,494 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 47 [2021-12-16 01:01:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,495 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2021-12-16 01:01:14,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2021-12-16 01:01:14,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-16 01:01:14,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,496 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:14,496 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,497 INFO L85 PathProgramCache]: Analyzing trace with hash 262382450, now seen corresponding path program 1 times [2021-12-16 01:01:14,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259946797] [2021-12-16 01:01:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 01:01:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,555 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 01:01:14,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259946797] [2021-12-16 01:01:14,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259946797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:14,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990246947] [2021-12-16 01:01:14,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:14,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:14,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:14,558 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,624 INFO L93 Difference]: Finished difference Result 241 states and 310 transitions. [2021-12-16 01:01:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:14,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-16 01:01:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,626 INFO L225 Difference]: With dead ends: 241 [2021-12-16 01:01:14,626 INFO L226 Difference]: Without dead ends: 141 [2021-12-16 01:01:14,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:14,628 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 434 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-12-16 01:01:14,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 110. [2021-12-16 01:01:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 93 states have internal predecessors, (111), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-16 01:01:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 137 transitions. [2021-12-16 01:01:14,648 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 137 transitions. Word has length 47 [2021-12-16 01:01:14,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,649 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 137 transitions. [2021-12-16 01:01:14,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 137 transitions. [2021-12-16 01:01:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-16 01:01:14,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,655 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:14,656 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1426561292, now seen corresponding path program 1 times [2021-12-16 01:01:14,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054333759] [2021-12-16 01:01:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 01:01:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,719 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 01:01:14,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054333759] [2021-12-16 01:01:14,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054333759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:14,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606614987] [2021-12-16 01:01:14,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:14,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:14,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:14,720 INFO L87 Difference]: Start difference. First operand 110 states and 137 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,736 INFO L93 Difference]: Finished difference Result 261 states and 329 transitions. [2021-12-16 01:01:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-16 01:01:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,738 INFO L225 Difference]: With dead ends: 261 [2021-12-16 01:01:14,738 INFO L226 Difference]: Without dead ends: 159 [2021-12-16 01:01:14,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 01:01:14,739 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 39 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 153 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-16 01:01:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2021-12-16 01:01:14,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 124 states have (on average 1.2580645161290323) internal successors, (156), 131 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-16 01:01:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 194 transitions. [2021-12-16 01:01:14,753 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 194 transitions. Word has length 47 [2021-12-16 01:01:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,756 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 194 transitions. [2021-12-16 01:01:14,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2021-12-16 01:01:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 01:01:14,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,761 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:14,761 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash -316039472, now seen corresponding path program 1 times [2021-12-16 01:01:14,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376133472] [2021-12-16 01:01:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 01:01:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 01:01:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 01:01:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:14,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376133472] [2021-12-16 01:01:14,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376133472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:14,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402884512] [2021-12-16 01:01:14,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:14,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:14,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:14,831 INFO L87 Difference]: Start difference. First operand 157 states and 194 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 01:01:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,890 INFO L93 Difference]: Finished difference Result 313 states and 390 transitions. [2021-12-16 01:01:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 01:01:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2021-12-16 01:01:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,892 INFO L225 Difference]: With dead ends: 313 [2021-12-16 01:01:14,892 INFO L226 Difference]: Without dead ends: 164 [2021-12-16 01:01:14,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 01:01:14,893 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 31 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 388 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-16 01:01:14,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2021-12-16 01:01:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 122 states have (on average 1.2295081967213115) internal successors, (150), 129 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-16 01:01:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 188 transitions. [2021-12-16 01:01:14,906 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 188 transitions. Word has length 49 [2021-12-16 01:01:14,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,907 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 188 transitions. [2021-12-16 01:01:14,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-16 01:01:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 188 transitions. [2021-12-16 01:01:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-16 01:01:14,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,911 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:14,911 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1105737062, now seen corresponding path program 1 times [2021-12-16 01:01:14,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808510550] [2021-12-16 01:01:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 01:01:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 01:01:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,030 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 01:01:15,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808510550] [2021-12-16 01:01:15,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808510550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 01:01:15,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266665360] [2021-12-16 01:01:15,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 01:01:15,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 01:01:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:15,032 INFO L87 Difference]: Start difference. First operand 155 states and 188 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 01:01:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,257 INFO L93 Difference]: Finished difference Result 520 states and 655 transitions. [2021-12-16 01:01:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 01:01:15,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 51 [2021-12-16 01:01:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,260 INFO L225 Difference]: With dead ends: 520 [2021-12-16 01:01:15,260 INFO L226 Difference]: Without dead ends: 419 [2021-12-16 01:01:15,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-12-16 01:01:15,261 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 212 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:15,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 605 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:15,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-12-16 01:01:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 385. [2021-12-16 01:01:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 304 states have (on average 1.2171052631578947) internal successors, (370), 323 states have internal predecessors, (370), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2021-12-16 01:01:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 468 transitions. [2021-12-16 01:01:15,295 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 468 transitions. Word has length 51 [2021-12-16 01:01:15,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,295 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 468 transitions. [2021-12-16 01:01:15,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 01:01:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 468 transitions. [2021-12-16 01:01:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 01:01:15,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,297 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:15,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:15,297 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1979077538, now seen corresponding path program 1 times [2021-12-16 01:01:15,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154501072] [2021-12-16 01:01:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 01:01:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 01:01:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 01:01:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 01:01:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:15,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154501072] [2021-12-16 01:01:15,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154501072] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:15,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591506592] [2021-12-16 01:01:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:15,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:15,421 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 01:01:15,422 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 01:01:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:15,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:15,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:15,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591506592] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:15,912 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:15,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-16 01:01:15,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495412901] [2021-12-16 01:01:15,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 01:01:15,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 01:01:15,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:15,914 INFO L87 Difference]: Start difference. First operand 385 states and 468 transitions. Second operand has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:16,367 INFO L93 Difference]: Finished difference Result 618 states and 776 transitions. [2021-12-16 01:01:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-16 01:01:16,368 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 83 [2021-12-16 01:01:16,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:16,369 INFO L225 Difference]: With dead ends: 618 [2021-12-16 01:01:16,370 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:16,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-16 01:01:16,372 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 283 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:16,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 994 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 01:01:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:16,374 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 01:01:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:16,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-12-16 01:01:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:16,374 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:16,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 11 states have internal predecessors, (104), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:16,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:16,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:16,407 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 01:01:16,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 01:01:16,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:18,437 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 670 676) no Hoare annotation was computed. [2021-12-16 01:01:18,438 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 670 676) the Hoare annotation is: true [2021-12-16 01:01:18,438 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 496 507) the Hoare annotation is: true [2021-12-16 01:01:18,438 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 496 507) no Hoare annotation was computed. [2021-12-16 01:01:18,438 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2021-12-16 01:01:18,438 INFO L858 garLoopResultBuilder]: For program point L864(line 864) no Hoare annotation was computed. [2021-12-16 01:01:18,438 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 853 882) no Hoare annotation was computed. [2021-12-16 01:01:18,438 INFO L861 garLoopResultBuilder]: At program point L863-2(lines 863 877) the Hoare annotation is: true [2021-12-16 01:01:18,438 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 853 882) the Hoare annotation is: true [2021-12-16 01:01:18,438 INFO L861 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2021-12-16 01:01:18,438 INFO L858 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2021-12-16 01:01:18,439 INFO L861 garLoopResultBuilder]: At program point L878(lines 853 882) the Hoare annotation is: true [2021-12-16 01:01:18,439 INFO L858 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2021-12-16 01:01:18,439 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 871) no Hoare annotation was computed. [2021-12-16 01:01:18,439 INFO L861 garLoopResultBuilder]: At program point L867-1(lines 867 871) the Hoare annotation is: true [2021-12-16 01:01:18,439 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse4 (and .cse0 (= ~waterLevel~0 1) .cse1) .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~4#1| 0) (= ~pumpRunning~0 0)) .cse2))) [2021-12-16 01:01:18,439 INFO L858 garLoopResultBuilder]: For program point L832-1(line 832) no Hoare annotation was computed. [2021-12-16 01:01:18,439 INFO L854 garLoopResultBuilder]: At program point L93(lines 88 95) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1))) [2021-12-16 01:01:18,440 INFO L854 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~4#1| 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse4 .cse3 .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse0))) [2021-12-16 01:01:18,440 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 643 669) no Hoare annotation was computed. [2021-12-16 01:01:18,440 INFO L854 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse2) (or .cse5 .cse4 .cse6 .cse2) (or .cse5 (and .cse0 (= ~waterLevel~0 1) .cse1) .cse6 .cse2 .cse3))) [2021-12-16 01:01:18,440 INFO L854 garLoopResultBuilder]: At program point L697-1(lines 678 702) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse1 (= |timeShift_processEnvironment_~tmp~4#1| 0) (= ~pumpRunning~0 0))) (.cse6 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse7 .cse2) .cse6 .cse8) (or .cse0 (and .cse7 (= ~waterLevel~0 1) .cse2) .cse4 .cse6 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse5 .cse6)))) [2021-12-16 01:01:18,440 INFO L854 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse7 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse0 .cse5 .cse6 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse6 .cse1)))) [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 844) no Hoare annotation was computed. [2021-12-16 01:01:18,441 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= |timeShift_getWaterLevel_#res#1| 2))) (or (and .cse0 .cse1 .cse2 .cse3) .cse4 (and .cse0 .cse1 .cse5) .cse6 .cse7 .cse8)) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse9 .cse5) .cse8 .cse10) (or .cse4 (and .cse9 (= ~waterLevel~0 1) .cse5) .cse7 .cse8 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse6 (and .cse1 .cse2 .cse3) .cse8))) [2021-12-16 01:01:18,441 INFO L858 garLoopResultBuilder]: For program point L830(lines 830 847) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L854 garLoopResultBuilder]: At program point L830-1(lines 822 850) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse2 .cse4) .cse5 .cse6) (or (and .cse3 .cse7 .cse8) (not (= |old(~waterLevel~0)| 1)) .cse9 .cse5) (let ((.cse10 (= |timeShift_getWaterLevel_#res#1| 2)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2))) (or (and .cse10 .cse11 .cse4 .cse12) .cse0 (and .cse10 .cse11 .cse7 .cse12 .cse8) .cse9 .cse1 .cse5)))) [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L657-1(lines 657 663) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L854 garLoopResultBuilder]: At program point L558(lines 549 562) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) (and .cse2 (not (= 0 |timeShift_isHighWaterSensorDry_#res#1|)) .cse3) .cse4 .cse0) (or .cse5 .cse6 .cse0 .cse1) (or .cse5 (and .cse2 .cse3) .cse4 .cse6 .cse0))) [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L686(lines 686 694) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L682(lines 682 699) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-12-16 01:01:18,442 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-16 01:01:18,443 INFO L854 garLoopResultBuilder]: At program point L476-2(lines 472 483) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse2) (or .cse5 .cse4 .cse6 .cse2) (or .cse5 (and .cse0 (= ~waterLevel~0 1) .cse1) .cse6 .cse2 .cse3))) [2021-12-16 01:01:18,443 INFO L854 garLoopResultBuilder]: At program point L790(lines 775 793) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 (and (not (= 0 |timeShift_isHighWaterLevel_~tmp~5#1|)) .cse1 (= |timeShift_isHighWaterLevel_#res#1| 0) .cse2 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) .cse3) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse5 (and .cse1 .cse2) .cse0 .cse6 .cse3))) [2021-12-16 01:01:18,443 INFO L854 garLoopResultBuilder]: At program point L819(lines 812 821) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and .cse7 (= ~pumpRunning~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse2) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse2)))) [2021-12-16 01:01:18,443 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 643 669) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and .cse7 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1) (or .cse0 .cse5 .cse6 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse6 .cse1)))) [2021-12-16 01:01:18,443 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 643 669) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L858 garLoopResultBuilder]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L858 garLoopResultBuilder]: For program point L650-2(lines 646 668) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L854 garLoopResultBuilder]: At program point L708(lines 703 710) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse3) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4))) [2021-12-16 01:01:18,444 INFO L854 garLoopResultBuilder]: At program point L799(lines 794 801) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:18,444 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L858 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2021-12-16 01:01:18,444 INFO L861 garLoopResultBuilder]: At program point L944(lines 925 947) the Hoare annotation is: true [2021-12-16 01:01:18,444 INFO L854 garLoopResultBuilder]: At program point L911(lines 907 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:18,444 INFO L854 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:18,445 INFO L854 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L854 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 619) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L854 garLoopResultBuilder]: At program point L615-2(lines 607 620) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2021-12-16 01:01:18,445 INFO L854 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~7#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2 .cse3 .cse5 .cse6))) [2021-12-16 01:01:18,446 INFO L861 garLoopResultBuilder]: At program point L628(lines 567 632) the Hoare annotation is: true [2021-12-16 01:01:18,446 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:18,446 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L861 garLoopResultBuilder]: At program point L922(lines 914 924) the Hoare annotation is: true [2021-12-16 01:01:18,446 INFO L854 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 942) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L935-2(lines 935 942) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 484 495) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2021-12-16 01:01:18,446 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 484 495) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse2 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse4))) [2021-12-16 01:01:18,446 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 730 738) no Hoare annotation was computed. [2021-12-16 01:01:18,447 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 730 738) the Hoare annotation is: true [2021-12-16 01:01:18,447 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 730 738) no Hoare annotation was computed. [2021-12-16 01:01:18,449 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:18,450 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:18,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:18 BoogieIcfgContainer [2021-12-16 01:01:18,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:18,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:18,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:18,469 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:18,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:13" (3/4) ... [2021-12-16 01:01:18,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:18,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:18,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-16 01:01:18,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:18,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:18,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:18,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:18,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:18,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:18,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:18,504 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:18,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:18,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && systemActive == 1) [2021-12-16 01:01:18,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && systemActive == 1) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && tmp == 2) || !(\old(waterLevel) <= 2)) || ((((\result == 2 && waterLevel == \old(waterLevel)) && tmp == 0) && tmp == 2) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 2 && waterLevel == \old(waterLevel)) && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || ((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:18,506 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) [2021-12-16 01:01:18,507 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0)) || !(systemActive == 1)) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) [2021-12-16 01:01:18,507 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:18,521 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:18,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:18,522 INFO L158 Benchmark]: Toolchain (without parser) took 5829.32ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 79.7MB in the beginning and 126.8MB in the end (delta: -47.2MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,522 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:18,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.06ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 81.9MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,522 INFO L158 Benchmark]: Boogie Preprocessor took 17.30ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,522 INFO L158 Benchmark]: RCFGBuilder took 320.54ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 62.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,523 INFO L158 Benchmark]: TraceAbstraction took 5014.60ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 61.8MB in the beginning and 41.0MB in the end (delta: 20.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,523 INFO L158 Benchmark]: Witness Printer took 52.10ms. Allocated memory is still 157.3MB. Free memory was 41.0MB in the beginning and 126.8MB in the end (delta: -85.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2021-12-16 01:01:18,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.06ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 81.9MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.30ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.54ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 62.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5014.60ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 61.8MB in the beginning and 41.0MB in the end (delta: 20.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Witness Printer took 52.10ms. Allocated memory is still 157.3MB. Free memory was 41.0MB in the beginning and 126.8MB in the end (delta: -85.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: 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 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 887 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 869 mSDsluCounter, 3482 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2487 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 970 IncrementalHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 995 mSDtfsCounter, 970 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=9, InterpolantAutomatonStates: 73, 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, 10 MinimizatonAttempts, 94 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 611 PreInvPairs, 716 NumberOfFragments, 1813 HoareAnnotationTreeSize, 611 FomulaSimplifications, 578 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 3598 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 624 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 97/117 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: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && systemActive == 1) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0)) || !(systemActive == 1)) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) && ((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 < waterLevel) && 1 == \result) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || (((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && systemActive == tmp) && systemActive == 1) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((((((\result == 2 && waterLevel == \old(waterLevel)) && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || ((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(1 <= \old(switchedOnBeforeTS)) || (1 <= switchedOnBeforeTS && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((((((\result == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && tmp == 2) || !(\old(waterLevel) <= 2)) || ((((\result == 2 && waterLevel == \old(waterLevel)) && tmp == 0) && tmp == 2) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(1 <= \old(switchedOnBeforeTS)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 < \old(waterLevel))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(systemActive == 1)) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:18,556 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