./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_product33.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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:16:43,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:16:43,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:16:43,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:16:43,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:16:43,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:16:43,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:16:43,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:16:43,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:16:43,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:16:43,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:16:43,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:16:43,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:16:43,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:16:43,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:16:43,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:16:43,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:16:43,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:16:43,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:16:43,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:16:43,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:16:43,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:16:43,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:16:43,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:16:43,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:16:43,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:16:43,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:16:43,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:16:43,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:16:43,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:16:43,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:16:43,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:16:43,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:16:43,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:16:43,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:16:43,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:16:43,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:16:43,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:16:43,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:16:43,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:16:43,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:16:43,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:16:43,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:16:43,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:16:43,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:16:43,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:16:43,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:16:43,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:16:43,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:16:43,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:16:43,543 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:16:43,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:16:43,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:16:43,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:16:43,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:16:43,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:16:43,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:16:43,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:16:43,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:16:43,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:16:43,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:16:43,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:16:43,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:16:43,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:16:43,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:16:43,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:16:43,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:43,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:16:43,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:16:43,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:16:43,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:16:43,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:16:43,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:16:43,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:16:43,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:16:43,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:16:43,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2021-12-21 13:16:43,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:16:43,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:16:43,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:16:43,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:16:43,802 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:16:43,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-12-21 13:16:43,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbaceb4c/1351292c60de4b9bbf78b50948c76a3d/FLAG674ced69e [2021-12-21 13:16:44,273 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:16:44,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-12-21 13:16:44,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbaceb4c/1351292c60de4b9bbf78b50948c76a3d/FLAG674ced69e [2021-12-21 13:16:44,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbaceb4c/1351292c60de4b9bbf78b50948c76a3d [2021-12-21 13:16:44,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:16:44,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:16:44,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:44,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:16:44,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:16:44,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdf4f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44, skipping insertion in model container [2021-12-21 13:16:44,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:16:44,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:16:44,627 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_product33.cil.c[16170,16183] [2021-12-21 13:16:44,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:44,645 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:16:44,732 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_product33.cil.c[16170,16183] [2021-12-21 13:16:44,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:44,754 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:16:44,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44 WrapperNode [2021-12-21 13:16:44,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:44,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:44,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:16:44,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:16:44,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,803 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 228 [2021-12-21 13:16:44,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:44,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:16:44,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:16:44,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:16:44,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:16:44,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:16:44,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:16:44,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:16:44,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (1/1) ... [2021-12-21 13:16:44,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:44,860 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) [2021-12-21 13:16:44,872 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 [2021-12-21 13:16:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:16:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:16:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:16:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:16:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:16:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:16:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:16:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:16:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:16:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-21 13:16:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-21 13:16:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:16:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:16:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:16:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:16:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:16:44,956 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:16:44,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:16:45,230 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:16:45,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:16:45,239 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:16:45,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:45 BoogieIcfgContainer [2021-12-21 13:16:45,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:16:45,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:16:45,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:16:45,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:16:45,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:16:44" (1/3) ... [2021-12-21 13:16:45,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcdf804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:45, skipping insertion in model container [2021-12-21 13:16:45,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:44" (2/3) ... [2021-12-21 13:16:45,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcdf804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:45, skipping insertion in model container [2021-12-21 13:16:45,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:45" (3/3) ... [2021-12-21 13:16:45,248 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-12-21 13:16:45,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:16:45,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:16:45,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:16:45,299 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 [2021-12-21 13:16:45,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:16:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 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) [2021-12-21 13:16:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:16:45,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:45,329 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] [2021-12-21 13:16:45,329 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:45,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash 627967517, now seen corresponding path program 1 times [2021-12-21 13:16:45,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:45,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464538288] [2021-12-21 13:16:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:45,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:16:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:45,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464538288] [2021-12-21 13:16:45,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464538288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:45,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:45,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:16:45,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567672387] [2021-12-21 13:16:45,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:45,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:16:45,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:45,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:16:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:45,661 INFO L87 Difference]: Start difference. First operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 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) [2021-12-21 13:16:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:45,701 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2021-12-21 13:16:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:16:45,703 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 [2021-12-21 13:16:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:45,711 INFO L225 Difference]: With dead ends: 151 [2021-12-21 13:16:45,711 INFO L226 Difference]: Without dead ends: 71 [2021-12-21 13:16:45,718 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 [2021-12-21 13:16:45,721 INFO L933 BasicCegarLoop]: 100 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, 100 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 [2021-12-21 13:16:45,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-21 13:16:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-12-21 13:16:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.309090909090909) internal successors, (72), 60 states have internal predecessors, (72), 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) [2021-12-21 13:16:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2021-12-21 13:16:45,759 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 32 [2021-12-21 13:16:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:45,759 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2021-12-21 13:16:45,759 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) [2021-12-21 13:16:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2021-12-21 13:16:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-21 13:16:45,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:45,761 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] [2021-12-21 13:16:45,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:16:45,762 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash 904354069, now seen corresponding path program 1 times [2021-12-21 13:16:45,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:45,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667629671] [2021-12-21 13:16:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:45,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:16:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:16:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:45,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:45,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667629671] [2021-12-21 13:16:45,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667629671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:45,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:45,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:45,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095639142] [2021-12-21 13:16:45,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:45,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:45,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:45,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:45,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:45,832 INFO L87 Difference]: Start difference. First operand 71 states and 91 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) [2021-12-21 13:16:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:45,843 INFO L93 Difference]: Finished difference Result 107 states and 137 transitions. [2021-12-21 13:16:45,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:45,844 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 [2021-12-21 13:16:45,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:45,845 INFO L225 Difference]: With dead ends: 107 [2021-12-21 13:16:45,845 INFO L226 Difference]: Without dead ends: 62 [2021-12-21 13:16:45,846 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 [2021-12-21 13:16:45,847 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 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 [2021-12-21 13:16:45,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:45,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-12-21 13:16:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-21 13:16:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 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) [2021-12-21 13:16:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2021-12-21 13:16:45,855 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 33 [2021-12-21 13:16:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:45,856 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2021-12-21 13:16:45,856 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) [2021-12-21 13:16:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-12-21 13:16:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-21 13:16:45,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:45,858 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] [2021-12-21 13:16:45,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:16:45,858 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1553895651, now seen corresponding path program 1 times [2021-12-21 13:16:45,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:45,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297468176] [2021-12-21 13:16:45,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:45,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:16:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:45,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:45,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297468176] [2021-12-21 13:16:45,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297468176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:45,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:45,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:45,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442871808] [2021-12-21 13:16:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:45,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:45,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:45,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:45,934 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-21 13:16:45,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:45,996 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2021-12-21 13:16:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:16:45,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 37 [2021-12-21 13:16:45,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:45,998 INFO L225 Difference]: With dead ends: 116 [2021-12-21 13:16:45,998 INFO L226 Difference]: Without dead ends: 62 [2021-12-21 13:16:45,998 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 [2021-12-21 13:16:46,000 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 107 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:46,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 160 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-12-21 13:16:46,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-21 13:16:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 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) [2021-12-21 13:16:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2021-12-21 13:16:46,008 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 37 [2021-12-21 13:16:46,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,009 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-21 13:16:46,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-21 13:16:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-12-21 13:16:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 13:16:46,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,011 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] [2021-12-21 13:16:46,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:16:46,011 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1104761714, now seen corresponding path program 1 times [2021-12-21 13:16:46,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754663625] [2021-12-21 13:16:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 13:16:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:46,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754663625] [2021-12-21 13:16:46,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754663625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:46,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884825084] [2021-12-21 13:16:46,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:46,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:46,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:46,086 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-12-21 13:16:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:46,109 INFO L93 Difference]: Finished difference Result 159 states and 205 transitions. [2021-12-21 13:16:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:46,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 42 [2021-12-21 13:16:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:46,114 INFO L225 Difference]: With dead ends: 159 [2021-12-21 13:16:46,114 INFO L226 Difference]: Without dead ends: 105 [2021-12-21 13:16:46,115 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 [2021-12-21 13:16:46,119 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 47 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 151 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 [2021-12-21 13:16:46,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 151 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-21 13:16:46,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-12-21 13:16:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.3) internal successors, (104), 86 states have internal predecessors, (104), 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) [2021-12-21 13:16:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2021-12-21 13:16:46,141 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 42 [2021-12-21 13:16:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,142 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2021-12-21 13:16:46,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-12-21 13:16:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2021-12-21 13:16:46,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:16:46,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,146 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] [2021-12-21 13:16:46,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:16:46,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash 731559770, now seen corresponding path program 1 times [2021-12-21 13:16:46,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33353671] [2021-12-21 13:16:46,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:16:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:46,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33353671] [2021-12-21 13:16:46,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33353671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:16:46,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736315366] [2021-12-21 13:16:46,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:16:46,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:16:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:46,236 INFO L87 Difference]: Start difference. First operand 103 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:46,270 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2021-12-21 13:16:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:16:46,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 46 [2021-12-21 13:16:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:46,272 INFO L225 Difference]: With dead ends: 217 [2021-12-21 13:16:46,273 INFO L226 Difference]: Without dead ends: 122 [2021-12-21 13:16:46,273 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 [2021-12-21 13:16:46,275 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 45 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 369 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 [2021-12-21 13:16:46,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 369 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-12-21 13:16:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2021-12-21 13:16:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 89 states have internal predecessors, (107), 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) [2021-12-21 13:16:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2021-12-21 13:16:46,291 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 46 [2021-12-21 13:16:46,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,291 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2021-12-21 13:16:46,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2021-12-21 13:16:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:16:46,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,293 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] [2021-12-21 13:16:46,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:16:46,294 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash -856788132, now seen corresponding path program 1 times [2021-12-21 13:16:46,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977809464] [2021-12-21 13:16:46,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:16:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:46,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977809464] [2021-12-21 13:16:46,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977809464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 13:16:46,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970498666] [2021-12-21 13:16:46,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 13:16:46,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 13:16:46,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 13:16:46,336 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:46,359 INFO L93 Difference]: Finished difference Result 223 states and 287 transitions. [2021-12-21 13:16:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 13:16:46,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 46 [2021-12-21 13:16:46,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:46,371 INFO L225 Difference]: With dead ends: 223 [2021-12-21 13:16:46,372 INFO L226 Difference]: Without dead ends: 125 [2021-12-21 13:16:46,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:46,378 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:46,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 245 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-12-21 13:16:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 108. [2021-12-21 13:16:46,389 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) [2021-12-21 13:16:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2021-12-21 13:16:46,390 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 46 [2021-12-21 13:16:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,390 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2021-12-21 13:16:46,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2021-12-21 13:16:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 13:16:46,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,392 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] [2021-12-21 13:16:46,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:16:46,392 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1749235422, now seen corresponding path program 1 times [2021-12-21 13:16:46,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579032269] [2021-12-21 13:16:46,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:16:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:46,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579032269] [2021-12-21 13:16:46,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579032269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:46,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808855051] [2021-12-21 13:16:46,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:46,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:46,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:46,445 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:46,468 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2021-12-21 13:16:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:46,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 46 [2021-12-21 13:16:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:46,473 INFO L225 Difference]: With dead ends: 256 [2021-12-21 13:16:46,474 INFO L226 Difference]: Without dead ends: 156 [2021-12-21 13:16:46,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:46,477 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 151 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 [2021-12-21 13:16:46,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 151 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-21 13:16:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2021-12-21 13:16:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 128 states have internal predecessors, (153), 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) [2021-12-21 13:16:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2021-12-21 13:16:46,508 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 46 [2021-12-21 13:16:46,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,510 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2021-12-21 13:16:46,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-12-21 13:16:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2021-12-21 13:16:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 13:16:46,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,516 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] [2021-12-21 13:16:46,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:16:46,516 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2549066, now seen corresponding path program 1 times [2021-12-21 13:16:46,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95512082] [2021-12-21 13:16:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:16:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:16:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:16:46,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95512082] [2021-12-21 13:16:46,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95512082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:46,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147782864] [2021-12-21 13:16:46,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:46,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:46,579 INFO L87 Difference]: Start difference. First operand 154 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-12-21 13:16:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:46,657 INFO L93 Difference]: Finished difference Result 307 states and 384 transitions. [2021-12-21 13:16:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:16:46,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 48 [2021-12-21 13:16:46,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:46,672 INFO L225 Difference]: With dead ends: 307 [2021-12-21 13:16:46,672 INFO L226 Difference]: Without dead ends: 161 [2021-12-21 13:16:46,673 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 [2021-12-21 13:16:46,675 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 31 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 383 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 [2021-12-21 13:16:46,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 383 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:46,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-21 13:16:46,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2021-12-21 13:16:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 126 states have internal predecessors, (147), 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) [2021-12-21 13:16:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 185 transitions. [2021-12-21 13:16:46,701 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 185 transitions. Word has length 48 [2021-12-21 13:16:46,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:46,704 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 185 transitions. [2021-12-21 13:16:46,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-12-21 13:16:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2021-12-21 13:16:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 13:16:46,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:46,705 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] [2021-12-21 13:16:46,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:16:46,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:46,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash 458290680, now seen corresponding path program 1 times [2021-12-21 13:16:46,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:46,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218946401] [2021-12-21 13:16:46,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:46,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 13:16:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:46,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:46,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218946401] [2021-12-21 13:16:46,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218946401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:46,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:46,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 13:16:46,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717998123] [2021-12-21 13:16:46,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:46,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:16:46,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:46,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:16:46,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:16:46,841 INFO L87 Difference]: Start difference. First operand 152 states and 185 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-12-21 13:16:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:47,169 INFO L93 Difference]: Finished difference Result 511 states and 646 transitions. [2021-12-21 13:16:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 13:16:47,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2021-12-21 13:16:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:47,174 INFO L225 Difference]: With dead ends: 511 [2021-12-21 13:16:47,174 INFO L226 Difference]: Without dead ends: 412 [2021-12-21 13:16:47,175 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 [2021-12-21 13:16:47,177 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 211 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:47,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 593 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:16:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-12-21 13:16:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 378. [2021-12-21 13:16:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 297 states have (on average 1.2222222222222223) internal successors, (363), 316 states have internal predecessors, (363), 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) [2021-12-21 13:16:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 461 transitions. [2021-12-21 13:16:47,213 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 461 transitions. Word has length 50 [2021-12-21 13:16:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:47,213 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 461 transitions. [2021-12-21 13:16:47,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-12-21 13:16:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 461 transitions. [2021-12-21 13:16:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-21 13:16:47,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:47,223 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-21 13:16:47,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:16:47,223 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:47,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash -643370142, now seen corresponding path program 1 times [2021-12-21 13:16:47,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:47,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143431735] [2021-12-21 13:16:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:47,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:16:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 13:16:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:16:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 13:16:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:16:47,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:47,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143431735] [2021-12-21 13:16:47,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143431735] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:16:47,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123406460] [2021-12-21 13:16:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:47,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:47,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:47,372 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) [2021-12-21 13:16:47,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:16:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:16:47,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:16:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:16:47,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:16:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:16:48,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123406460] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:16:48,000 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:16:48,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-21 13:16:48,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419538872] [2021-12-21 13:16:48,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 13:16:48,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 13:16:48,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:16:48,005 INFO L87 Difference]: Start difference. First operand 378 states and 461 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 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) [2021-12-21 13:16:48,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,498 INFO L93 Difference]: Finished difference Result 604 states and 762 transitions. [2021-12-21 13:16:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-21 13:16:48,499 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 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 81 [2021-12-21 13:16:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,499 INFO L225 Difference]: With dead ends: 604 [2021-12-21 13:16:48,500 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:16:48,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-21 13:16:48,502 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 276 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 759 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:16:48,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:16:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:16:48,503 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) [2021-12-21 13:16:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:16:48,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-12-21 13:16:48,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,504 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:16:48,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 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) [2021-12-21 13:16:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:16:48,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:16:48,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:16:48,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 13:16:48,731 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 [2021-12-21 13:16:48,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:16:50,902 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 525 531) no Hoare annotation was computed. [2021-12-21 13:16:50,903 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 525 531) the Hoare annotation is: true [2021-12-21 13:16:50,903 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 822 833) the Hoare annotation is: true [2021-12-21 13:16:50,903 INFO L858 garLoopResultBuilder]: For program point L826-1(lines 822 833) no Hoare annotation was computed. [2021-12-21 13:16:50,903 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 822 833) no Hoare annotation was computed. [2021-12-21 13:16:50,903 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 689 718) no Hoare annotation was computed. [2021-12-21 13:16:50,903 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-12-21 13:16:50,903 INFO L861 garLoopResultBuilder]: At program point L703-1(lines 703 707) the Hoare annotation is: true [2021-12-21 13:16:50,904 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 689 718) the Hoare annotation is: true [2021-12-21 13:16:50,904 INFO L858 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2021-12-21 13:16:50,904 INFO L861 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: true [2021-12-21 13:16:50,904 INFO L861 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: true [2021-12-21 13:16:50,904 INFO L858 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2021-12-21 13:16:50,904 INFO L861 garLoopResultBuilder]: At program point L714(lines 689 718) the Hoare annotation is: true [2021-12-21 13:16:50,904 INFO L858 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2021-12-21 13:16:50,905 INFO L854 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_processEnvironment_~tmp~4#1| 0) .cse4)) (or .cse1 .cse5 (and .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse5 .cse2 .cse3 (and .cse6 .cse4 .cse7)))) [2021-12-21 13:16:50,905 INFO L854 garLoopResultBuilder]: At program point L791(lines 786 793) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:50,905 INFO L858 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed. [2021-12-21 13:16:50,905 INFO L854 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2021-12-21 13:16:50,905 INFO L854 garLoopResultBuilder]: At program point L552-1(lines 533 557) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~waterLevel~0 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not .cse2)) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_processEnvironment_~tmp~4#1| 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse5 .cse6 (and .cse7 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse5 .cse6 .cse9 .cse10 (and .cse7 .cse4 .cse8)) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse5 .cse9 (and .cse7 .cse11) .cse10 (and .cse1 .cse2 .cse3 .cse11)))))) [2021-12-21 13:16:50,906 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 498 524) no Hoare annotation was computed. [2021-12-21 13:16:50,906 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-12-21 13:16:50,911 INFO L858 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2021-12-21 13:16:50,911 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2021-12-21 13:16:50,911 INFO L854 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2021-12-21 13:16:50,911 INFO L858 garLoopResultBuilder]: For program point L904-1(line 904) no Hoare annotation was computed. [2021-12-21 13:16:50,911 INFO L854 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse6 (not .cse3)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 1)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse2 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse8 .cse2 .cse5) .cse9)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 .cse4 .cse10) .cse6) (or .cse6 .cse11 (and .cse8 .cse12) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse6 .cse11 .cse7 .cse9 (and .cse8 .cse10 .cse12))))) [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L854 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse3 (= ~waterLevel~0 1))))) [2021-12-21 13:16:50,912 INFO L854 garLoopResultBuilder]: At program point L917-1(lines 909 937) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse1 (not .cse9)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 1)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse4 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7 (and .cse8 .cse4 .cse9 .cse5 .cse10 .cse6))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse9 .cse10 .cse11) .cse1) (or .cse1 .cse12 (and .cse3 .cse13) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse12 .cse2 .cse7 (and .cse3 .cse11 .cse13))))) [2021-12-21 13:16:50,912 INFO L854 garLoopResultBuilder]: At program point L645(lines 630 648) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_#res#1| 0) (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0) (= ~waterLevel~0 1))) (or .cse2 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse5))) [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-12-21 13:16:50,912 INFO L854 garLoopResultBuilder]: At program point L802-2(lines 798 809) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2021-12-21 13:16:50,912 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 511) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point L505-2(lines 501 523) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L854 garLoopResultBuilder]: At program point L563(lines 558 565) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:50,913 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 498 524) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 498 524) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L854 garLoopResultBuilder]: At program point L906(lines 899 908) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse7 (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse4 .cse5 .cse6) (or .cse0 (and .cse2 .cse7) .cse1 .cse4 .cse6) (or .cse1 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-12-21 13:16:50,913 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) .cse0) (or .cse0 .cse1 .cse6 .cse7) (or .cse2 .cse0 .cse6 .cse7 (and .cse3 .cse4 .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)))))) [2021-12-21 13:16:50,913 INFO L854 garLoopResultBuilder]: At program point L473(lines 430 475) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-12-21 13:16:50,913 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L854 garLoopResultBuilder]: At program point L668(lines 664 670) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:50,914 INFO L861 garLoopResultBuilder]: At program point L759(lines 751 761) the Hoare annotation is: true [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 460 471) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-12-21 13:16:50,914 INFO L854 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-12-21 13:16:50,914 INFO L858 garLoopResultBuilder]: For program point L772-2(lines 772 779) no Hoare annotation was computed. [2021-12-21 13:16:50,915 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2021-12-21 13:16:50,915 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:16:50,915 INFO L854 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2021-12-21 13:16:50,915 INFO L861 garLoopResultBuilder]: At program point L479(lines 420 483) the Hoare annotation is: true [2021-12-21 13:16:50,915 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-12-21 13:16:50,915 INFO L861 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2021-12-21 13:16:50,915 INFO L854 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-12-21 13:16:50,915 INFO L858 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-12-21 13:16:50,915 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-12-21 13:16:50,915 INFO L854 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:50,915 INFO L854 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-12-21 13:16:50,916 INFO L854 garLoopResultBuilder]: At program point L675(lines 671 677) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:50,916 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 810 821) no Hoare annotation was computed. [2021-12-21 13:16:50,916 INFO L858 garLoopResultBuilder]: For program point L814-1(lines 810 821) no Hoare annotation was computed. [2021-12-21 13:16:50,916 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 810 821) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse3 .cse5))) [2021-12-21 13:16:50,916 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 585 593) no Hoare annotation was computed. [2021-12-21 13:16:50,916 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 585 593) the Hoare annotation is: true [2021-12-21 13:16:50,916 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 585 593) no Hoare annotation was computed. [2021-12-21 13:16:50,918 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:50,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:16:50,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:16:50 BoogieIcfgContainer [2021-12-21 13:16:50,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:16:50,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:16:50,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:16:50,944 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:16:50,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:45" (3/4) ... [2021-12-21 13:16:50,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:16:50,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:16:50,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:16:50,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:16:50,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:16:50,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:16:50,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-21 13:16:50,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-21 13:16:50,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:16:50,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:16:50,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:16:50,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:16:50,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:16:50,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:16:50,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-21 13:16:50,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2021-12-21 13:16:50,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2021-12-21 13:16:50,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && tmp == systemActive) || (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2021-12-21 13:16:50,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:16:50,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:50,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 2) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:50,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) [2021-12-21 13:16:50,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:50,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:50,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) [2021-12-21 13:16:50,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2021-12-21 13:16:50,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:50,998 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:16:50,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:16:50,999 INFO L158 Benchmark]: Toolchain (without parser) took 6696.74ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 95.9MB in the end (delta: -37.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-21 13:16:50,999 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:16:51,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.69ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 58.3MB in the end (delta: -299.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.30ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,000 INFO L158 Benchmark]: Boogie Preprocessor took 21.29ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 54.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,001 INFO L158 Benchmark]: RCFGBuilder took 415.46ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.4MB in the beginning and 82.5MB in the end (delta: -28.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,001 INFO L158 Benchmark]: TraceAbstraction took 5700.22ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.0MB in the beginning and 102.2MB in the end (delta: -20.2MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,001 INFO L158 Benchmark]: Witness Printer took 55.53ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 95.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:16:51,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.69ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 58.3MB in the end (delta: -299.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.30ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.29ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 54.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.46ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.4MB in the beginning and 82.5MB in the end (delta: -28.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5700.22ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.0MB in the beginning and 102.2MB in the end (delta: -20.2MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Witness Printer took 55.53ms. Allocated memory is still 132.1MB. Free memory was 102.2MB in the beginning and 95.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 790]: 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 819 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 803 mSDsluCounter, 3051 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2063 mSDsCounter, 202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 797 IncrementalHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 202 mSolverCounterUnsat, 988 mSDtfsCounter, 797 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 234 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=9, InterpolantAutomatonStates: 70, 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, 80 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 610 PreInvPairs, 707 NumberOfFragments, 1749 HoareAnnotationTreeSize, 610 FomulaSimplifications, 590 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 36 FomulaSimplificationsInter, 2877 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 1326 SizeOfPredicates, 3 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 94/114 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: 751]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && tmp == systemActive) || (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && 2 == \result) && 1 == systemActive) && tmp == 2) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 == systemActive) && tmp == 0) && waterLevel == 1)) || !(1 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 13:16:51,061 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