./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_product42.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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:20:48,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:20:48,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:20:48,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:20:48,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:20:48,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:20:48,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:20:48,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:20:48,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:20:48,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:20:48,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:20:48,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:20:48,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:20:48,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:20:48,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:20:48,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:20:48,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:20:48,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:20:48,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:20:48,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:20:48,545 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:20:48,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:20:48,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:20:48,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:20:48,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:20:48,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:20:48,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:20:48,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:20:48,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:20:48,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:20:48,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:20:48,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:20:48,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:20:48,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:20:48,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:20:48,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:20:48,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:20:48,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:20:48,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:20:48,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:20:48,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:20:48,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:20:48,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:20:48,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:20:48,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:20:48,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:20:48,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:20:48,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:20:48,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:20:48,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:20:48,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:20:48,591 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:20:48,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:20:48,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:20:48,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:20:48,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:20:48,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:20:48,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:20:48,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:20:48,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:20:48,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:20:48,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:48,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:20:48,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:20:48,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:20:48,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:20:48,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:20:48,595 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:20:48,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:20:48,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:20:48,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2022-07-12 06:20:48,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:20:48,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:20:48,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:20:48,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:20:48,817 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:20:48,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-07-12 06:20:48,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95603f6b/bae3b77d73b340ef903814c2136687c6/FLAGb3300acf5 [2022-07-12 06:20:49,255 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:20:49,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-07-12 06:20:49,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95603f6b/bae3b77d73b340ef903814c2136687c6/FLAGb3300acf5 [2022-07-12 06:20:49,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f95603f6b/bae3b77d73b340ef903814c2136687c6 [2022-07-12 06:20:49,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:20:49,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:20:49,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:49,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:20:49,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:20:49,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:49" (1/1) ... [2022-07-12 06:20:49,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2092960c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:49, skipping insertion in model container [2022-07-12 06:20:49,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:49" (1/1) ... [2022-07-12 06:20:49,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:20:49,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:20:49,845 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_product42.cil.c[3693,3706] [2022-07-12 06:20:49,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:49,954 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:20:49,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2022-07-12 06:20:50,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:50,040 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:20:50,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50 WrapperNode [2022-07-12 06:20:50,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:50,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:50,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:20:50,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:20:50,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,087 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 254 [2022-07-12 06:20:50,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:50,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:20:50,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:20:50,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:20:50,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:20:50,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:20:50,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:20:50,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:20:50,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (1/1) ... [2022-07-12 06:20:50,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:50,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:50,169 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) [2022-07-12 06:20:50,170 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 [2022-07-12 06:20:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:20:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:20:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:20:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:20:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:20:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:20:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:20:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:20:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:20:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-12 06:20:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-12 06:20:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:20:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:20:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:20:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:20:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:20:50,286 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:20:50,288 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:20:50,574 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:20:50,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:20:50,580 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:20:50,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:50 BoogieIcfgContainer [2022-07-12 06:20:50,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:20:50,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:20:50,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:20:50,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:20:50,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:20:49" (1/3) ... [2022-07-12 06:20:50,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4311253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:50, skipping insertion in model container [2022-07-12 06:20:50,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:50" (2/3) ... [2022-07-12 06:20:50,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4311253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:50, skipping insertion in model container [2022-07-12 06:20:50,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:50" (3/3) ... [2022-07-12 06:20:50,589 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2022-07-12 06:20:50,599 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:20:50,599 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:20:50,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:20:50,652 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@631e855e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@8ba9571 [2022-07-12 06:20:50,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:20:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 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) [2022-07-12 06:20:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 06:20:50,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:50,674 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:20:50,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:50,681 INFO L85 PathProgramCache]: Analyzing trace with hash -690410843, now seen corresponding path program 1 times [2022-07-12 06:20:50,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:50,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663645780] [2022-07-12 06:20:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 06:20:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:20:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:50,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:50,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663645780] [2022-07-12 06:20:50,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663645780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:50,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:50,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:20:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658066003] [2022-07-12 06:20:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:50,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:20:50,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:20:51,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:20:51,004 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 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) [2022-07-12 06:20:51,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,049 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-07-12 06:20:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:20:51,051 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 [2022-07-12 06:20:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,063 INFO L225 Difference]: With dead ends: 161 [2022-07-12 06:20:51,064 INFO L226 Difference]: Without dead ends: 76 [2022-07-12 06:20:51,068 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:51,072 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2022-07-12 06:20:51,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-12 06:20:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-12 06:20:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 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) [2022-07-12 06:20:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-07-12 06:20:51,131 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2022-07-12 06:20:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,131 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-07-12 06:20:51,132 INFO L496 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) [2022-07-12 06:20:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-07-12 06:20:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 06:20:51,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,134 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:20:51,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:20:51,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1965939987, now seen corresponding path program 1 times [2022-07-12 06:20:51,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732633414] [2022-07-12 06:20:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:20:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:20:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:51,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732633414] [2022-07-12 06:20:51,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732633414] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:51,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:51,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:20:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588467774] [2022-07-12 06:20:51,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:51,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:51,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:51,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:51,219 INFO L87 Difference]: Start difference. First operand 76 states and 97 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) [2022-07-12 06:20:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,231 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2022-07-12 06:20:51,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:51,232 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 [2022-07-12 06:20:51,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,233 INFO L225 Difference]: With dead ends: 116 [2022-07-12 06:20:51,233 INFO L226 Difference]: Without dead ends: 67 [2022-07-12 06:20:51,234 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:51,235 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 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 [2022-07-12 06:20:51,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-12 06:20:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-12 06:20:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 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) [2022-07-12 06:20:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-07-12 06:20:51,252 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2022-07-12 06:20:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,252 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-07-12 06:20:51,253 INFO L496 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) [2022-07-12 06:20:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-07-12 06:20:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:20:51,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,256 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:20:51,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:20:51,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1695410136, now seen corresponding path program 1 times [2022-07-12 06:20:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214578206] [2022-07-12 06:20:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:20:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:51,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:51,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214578206] [2022-07-12 06:20:51,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214578206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:51,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:51,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:20:51,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054893613] [2022-07-12 06:20:51,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:51,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:20:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:20:51,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:20:51,371 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:20:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,437 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-07-12 06:20:51,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:20:51,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-12 06:20:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,438 INFO L225 Difference]: With dead ends: 126 [2022-07-12 06:20:51,439 INFO L226 Difference]: Without dead ends: 67 [2022-07-12 06:20:51,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:20:51,441 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:51,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 200 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-12 06:20:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-12 06:20:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 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) [2022-07-12 06:20:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-07-12 06:20:51,451 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 38 [2022-07-12 06:20:51,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,453 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-07-12 06:20:51,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:20:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-07-12 06:20:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-12 06:20:51,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,456 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:20:51,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:20:51,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,457 INFO L85 PathProgramCache]: Analyzing trace with hash 610140587, now seen corresponding path program 1 times [2022-07-12 06:20:51,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496298236] [2022-07-12 06:20:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:20:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 06:20:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:51,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:51,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496298236] [2022-07-12 06:20:51,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496298236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:51,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:51,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:20:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999637283] [2022-07-12 06:20:51,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:51,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:51,539 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:20:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,565 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2022-07-12 06:20:51,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:51,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-07-12 06:20:51,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,567 INFO L225 Difference]: With dead ends: 171 [2022-07-12 06:20:51,568 INFO L226 Difference]: Without dead ends: 112 [2022-07-12 06:20:51,569 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:51,572 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 150 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 [2022-07-12 06:20:51,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-07-12 06:20:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-07-12 06:20:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 94 states have internal predecessors, (112), 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) [2022-07-12 06:20:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2022-07-12 06:20:51,589 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 43 [2022-07-12 06:20:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,590 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2022-07-12 06:20:51,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:20:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2022-07-12 06:20:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-12 06:20:51,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,593 INFO L195 NwaCegarLoop]: 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] [2022-07-12 06:20:51,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:20:51,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1028234707, now seen corresponding path program 1 times [2022-07-12 06:20:51,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97652487] [2022-07-12 06:20:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 06:20:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 06:20:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:20:51,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:51,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97652487] [2022-07-12 06:20:51,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97652487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:51,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:51,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:20:51,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050999308] [2022-07-12 06:20:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:51,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:51,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:51,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:20:51,705 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-12 06:20:51,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,797 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2022-07-12 06:20:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:20:51,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-07-12 06:20:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,800 INFO L225 Difference]: With dead ends: 217 [2022-07-12 06:20:51,800 INFO L226 Difference]: Without dead ends: 115 [2022-07-12 06:20:51,800 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:51,801 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 405 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 [2022-07-12 06:20:51,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 405 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-07-12 06:20:51,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2022-07-12 06:20:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 93 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) [2022-07-12 06:20:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-07-12 06:20:51,827 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 49 [2022-07-12 06:20:51,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,828 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-07-12 06:20:51,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-12 06:20:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-07-12 06:20:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:20:51,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,829 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:51,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:20:51,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2048289411, now seen corresponding path program 1 times [2022-07-12 06:20:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077775159] [2022-07-12 06:20:51,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 06:20:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:51,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:51,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077775159] [2022-07-12 06:20:51,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077775159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:51,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:51,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:20:51,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703893282] [2022-07-12 06:20:51,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:51,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:20:51,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:51,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:20:51,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:20:51,913 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-07-12 06:20:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:51,951 INFO L93 Difference]: Finished difference Result 234 states and 298 transitions. [2022-07-12 06:20:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:20:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2022-07-12 06:20:51,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:51,955 INFO L225 Difference]: With dead ends: 234 [2022-07-12 06:20:51,955 INFO L226 Difference]: Without dead ends: 133 [2022-07-12 06:20:51,956 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:51,957 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 348 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 [2022-07-12 06:20:51,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 348 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-07-12 06:20:51,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2022-07-12 06:20:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 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) [2022-07-12 06:20:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2022-07-12 06:20:51,977 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2022-07-12 06:20:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:51,977 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2022-07-12 06:20:51,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-07-12 06:20:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2022-07-12 06:20:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:20:51,978 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:51,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:51,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:20:51,979 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:51,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1625587585, now seen corresponding path program 1 times [2022-07-12 06:20:51,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:51,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488159874] [2022-07-12 06:20:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 06:20:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:52,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:52,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488159874] [2022-07-12 06:20:52,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488159874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:52,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:52,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 06:20:52,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143620421] [2022-07-12 06:20:52,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:52,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 06:20:52,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 06:20:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 06:20:52,042 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-12 06:20:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:52,079 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2022-07-12 06:20:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 06:20:52,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 51 [2022-07-12 06:20:52,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:52,081 INFO L225 Difference]: With dead ends: 232 [2022-07-12 06:20:52,081 INFO L226 Difference]: Without dead ends: 128 [2022-07-12 06:20:52,081 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:52,082 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 27 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 246 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 [2022-07-12 06:20:52,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:52,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-07-12 06:20:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2022-07-12 06:20:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 98 states have internal predecessors, (114), 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) [2022-07-12 06:20:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-07-12 06:20:52,088 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 51 [2022-07-12 06:20:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:52,089 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-07-12 06:20:52,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-12 06:20:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-07-12 06:20:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-12 06:20:52,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:52,089 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:52,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:20:52,089 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:52,090 INFO L85 PathProgramCache]: Analyzing trace with hash 863941377, now seen corresponding path program 1 times [2022-07-12 06:20:52,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:52,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961071500] [2022-07-12 06:20:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:52,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 06:20:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:52,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:52,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961071500] [2022-07-12 06:20:52,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961071500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:52,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:52,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:20:52,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287361527] [2022-07-12 06:20:52,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:52,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:52,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:52,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:52,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:52,157 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-07-12 06:20:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:52,187 INFO L93 Difference]: Finished difference Result 266 states and 331 transitions. [2022-07-12 06:20:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:52,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 51 [2022-07-12 06:20:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:52,189 INFO L225 Difference]: With dead ends: 266 [2022-07-12 06:20:52,189 INFO L226 Difference]: Without dead ends: 160 [2022-07-12 06:20:52,190 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:52,190 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 35 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 159 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 [2022-07-12 06:20:52,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:52,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-12 06:20:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-07-12 06:20:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2283464566929134) internal successors, (156), 135 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-07-12 06:20:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2022-07-12 06:20:52,212 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 51 [2022-07-12 06:20:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:52,213 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2022-07-12 06:20:52,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-07-12 06:20:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2022-07-12 06:20:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-12 06:20:52,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:52,215 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:52,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:20:52,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash 159207591, now seen corresponding path program 1 times [2022-07-12 06:20:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:52,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212563565] [2022-07-12 06:20:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:20:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:20:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 06:20:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:52,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:52,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212563565] [2022-07-12 06:20:52,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212563565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:52,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:52,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:20:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140577155] [2022-07-12 06:20:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:52,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:20:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:20:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:20:52,339 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-07-12 06:20:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:52,646 INFO L93 Difference]: Finished difference Result 540 states and 679 transitions. [2022-07-12 06:20:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 06:20:52,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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 55 [2022-07-12 06:20:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:52,649 INFO L225 Difference]: With dead ends: 540 [2022-07-12 06:20:52,649 INFO L226 Difference]: Without dead ends: 434 [2022-07-12 06:20:52,650 INFO L412 NwaCegarLoop]: 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 [2022-07-12 06:20:52,650 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 223 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:52,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 637 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:20:52,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-07-12 06:20:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 400. [2022-07-12 06:20:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 319 states have (on average 1.2163009404388714) internal successors, (388), 341 states have internal predecessors, (388), 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) [2022-07-12 06:20:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 486 transitions. [2022-07-12 06:20:52,673 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 486 transitions. Word has length 55 [2022-07-12 06:20:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:52,674 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 486 transitions. [2022-07-12 06:20:52,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-07-12 06:20:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 486 transitions. [2022-07-12 06:20:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-12 06:20:52,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:52,676 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:52,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:20:52,676 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:52,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:52,676 INFO L85 PathProgramCache]: Analyzing trace with hash -2045084638, now seen corresponding path program 1 times [2022-07-12 06:20:52,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:52,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620224178] [2022-07-12 06:20:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:20:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:20:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:20:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:20:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:20:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 06:20:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-12 06:20:52,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:52,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620224178] [2022-07-12 06:20:52,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620224178] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:20:52,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712342001] [2022-07-12 06:20:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:20:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:52,792 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) [2022-07-12 06:20:52,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:20:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:52,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:20:52,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:20:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:20:53,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:20:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-12 06:20:53,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712342001] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:20:53,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:20:53,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-12 06:20:53,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333685091] [2022-07-12 06:20:53,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:20:53,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 06:20:53,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:53,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 06:20:53,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:20:53,122 INFO L87 Difference]: Start difference. First operand 400 states and 486 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 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) [2022-07-12 06:20:53,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:53,610 INFO L93 Difference]: Finished difference Result 641 states and 804 transitions. [2022-07-12 06:20:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 06:20:53,611 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 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 87 [2022-07-12 06:20:53,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:53,612 INFO L225 Difference]: With dead ends: 641 [2022-07-12 06:20:53,612 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:20:53,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2022-07-12 06:20:53,614 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 280 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:53,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 975 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:20:53,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:20:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:20:53,614 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) [2022-07-12 06:20:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:20:53,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-07-12 06:20:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:53,615 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:20:53,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 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) [2022-07-12 06:20:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:20:53,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:20:53,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:20:53,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:20:53,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 06:20:53,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2022-07-12 06:20:56,000 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 647 658) the Hoare annotation is: true [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L899 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2022-07-12 06:20:56,000 INFO L895 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 .cse3 .cse5 (and .cse1 .cse6 .cse2)) (or .cse7 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse6) .cse3) (let ((.cse9 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse8 .cse9 .cse10) .cse7 .cse4 (and .cse1 .cse9 .cse10) .cse3 .cse5)))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L853(lines 848 855) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-12 06:20:56,001 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-12 06:20:56,001 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (and (<= 1 ~pumpRunning~0) .cse5 (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 (and .cse4 .cse5) .cse6 .cse2 .cse7) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= ~waterLevel~0 1)) .cse2)))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse1 (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~6#1| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse5 .cse6 (= ~waterLevel~0 1))))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-12 06:20:56,001 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 .cse7 .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse7) .cse3))) [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L627-2(lines 623 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-07-12 06:20:56,001 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-07-12 06:20:56,001 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L842-1(lines 823 847) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and .cse5 .cse6) .cse7 (and .cse1 .cse6) .cse3 .cse8)) (or .cse0 .cse7 .cse3 .cse8 (and .cse1 .cse9 .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse9) .cse3))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L864-2(lines 857 873) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) .cse1 (and (<= 1 ~pumpRunning~0) .cse5) .cse2 .cse3)) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L212(lines 207 214) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 814) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-12 06:20:56,002 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 .cse3 .cse5 (and .cse1 .cse6 .cse2)) (let ((.cse8 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse4 (and .cse1 .cse8 .cse9 .cse10) .cse3 .cse5)) (or .cse11 (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse6) .cse3))) [2022-07-12 06:20:56,002 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 104 133) the Hoare annotation is: true [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2022-07-12 06:20:56,003 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:56,003 INFO L895 garLoopResultBuilder]: At program point L238(lines 234 240) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-12 06:20:56,003 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:20:56,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L902 garLoopResultBuilder]: At program point L177(lines 169 179) the Hoare annotation is: true [2022-07-12 06:20:56,004 INFO L902 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L962(lines 957 964) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-12 06:20:56,004 INFO L902 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L899 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2022-07-12 06:20:56,004 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 635 646) the Hoare annotation is: (let ((.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse3 .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)))) [2022-07-12 06:20:56,005 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2022-07-12 06:20:56,005 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 893 901) the Hoare annotation is: true [2022-07-12 06:20:56,005 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 893 901) no Hoare annotation was computed. [2022-07-12 06:20:56,007 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:56,008 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:20:56,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:20:56 BoogieIcfgContainer [2022-07-12 06:20:56,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:20:56,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:20:56,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:20:56,045 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:20:56,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:50" (3/4) ... [2022-07-12 06:20:56,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:20:56,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-12 06:20:56,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-12 06:20:56,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:20:56,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:20:56,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:20:56,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:20:56,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:56,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:56,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:20:56,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:20:56,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-12 06:20:56,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-07-12 06:20:56,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-12 06:20:56,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-07-12 06:20:56,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-12 06:20:56,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-12 06:20:56,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:20:56,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:20:56,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-12 06:20:56,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-12 06:20:56,104 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:20:56,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:20:56,104 INFO L158 Benchmark]: Toolchain (without parser) took 6461.48ms. Allocated memory was 96.5MB in the beginning and 148.9MB in the end (delta: 52.4MB). Free memory was 64.0MB in the beginning and 60.3MB in the end (delta: 3.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,105 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:20:56,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.53ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.8MB in the beginning and 90.6MB in the end (delta: -26.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.88ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 88.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,105 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 86.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,106 INFO L158 Benchmark]: RCFGBuilder took 468.75ms. Allocated memory is still 123.7MB. Free memory was 86.6MB in the beginning and 70.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,106 INFO L158 Benchmark]: TraceAbstraction took 5460.85ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 69.8MB in the beginning and 65.6MB in the end (delta: 4.2MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,106 INFO L158 Benchmark]: Witness Printer took 58.93ms. Allocated memory is still 148.9MB. Free memory was 65.6MB in the beginning and 60.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:20:56,108 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 96.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.53ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.8MB in the beginning and 90.6MB in the end (delta: -26.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.88ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 88.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 86.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.75ms. Allocated memory is still 123.7MB. Free memory was 86.6MB in the beginning and 70.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5460.85ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 69.8MB in the beginning and 65.6MB in the end (delta: 4.2MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Witness Printer took 58.93ms. Allocated memory is still 148.9MB. Free memory was 65.6MB in the beginning and 60.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 211]: 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 823 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 807 mSDsluCounter, 3377 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2368 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 933 IncrementalHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1009 mSDtfsCounter, 933 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 249 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred 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, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 685 PreInvPairs, 800 NumberOfFragments, 1951 HoareAnnotationTreeSize, 685 FomulaSimplifications, 501 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 3568 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1383 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 97/117 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:20:56,166 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