./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_product40.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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:47,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:47,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:47,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:47,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:47,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:47,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:47,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:47,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:47,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:47,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:47,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:47,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:47,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:47,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:47,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:47,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:47,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:47,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:47,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:47,518 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:47,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:47,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:47,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:47,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:47,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:47,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:47,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:47,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:47,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:47,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:47,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:47,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:47,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:47,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:47,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:47,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:47,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:47,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:47,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:47,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:47,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:47,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:47,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:47,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:47,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:47,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:47,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:47,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:47,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:47,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:47,556 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:47,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:47,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:47,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:47,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:47,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:47,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:47,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:47,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:47,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:47,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:47,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:47,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:47,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:47,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:47,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:47,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:47,565 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:47,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:47,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:47,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2022-07-22 17:39:47,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:39:47,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:39:47,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:39:47,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:39:47,840 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:39:47,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-07-22 17:39:47,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae38d7a9/8f7cc5cf2f3e40b480eb663da9a681ec/FLAGd113c6d7a [2022-07-22 17:39:48,389 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:39:48,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-07-22 17:39:48,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae38d7a9/8f7cc5cf2f3e40b480eb663da9a681ec/FLAGd113c6d7a [2022-07-22 17:39:48,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae38d7a9/8f7cc5cf2f3e40b480eb663da9a681ec [2022-07-22 17:39:48,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:39:48,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:39:48,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:48,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:39:48,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:39:48,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:48" (1/1) ... [2022-07-22 17:39:48,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4113f0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:48, skipping insertion in model container [2022-07-22 17:39:48,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:48" (1/1) ... [2022-07-22 17:39:48,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:39:48,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:39:49,040 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_product40.cil.c[17098,17111] [2022-07-22 17:39:49,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:49,056 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:39:49,125 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_product40.cil.c[17098,17111] [2022-07-22 17:39:49,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:49,152 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:39:49,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49 WrapperNode [2022-07-22 17:39:49,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:49,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:49,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:39:49,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:39:49,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,224 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 262 [2022-07-22 17:39:49,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:49,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:39:49,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:39:49,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:39:49,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:39:49,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:39:49,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:39:49,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:39:49,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (1/1) ... [2022-07-22 17:39:49,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:49,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:49,293 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) [2022-07-22 17:39:49,311 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 [2022-07-22 17:39:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:39:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:39:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:39:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:39:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:39:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:39:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:39:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:39:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:39:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:39:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:39:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:39:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:39:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:39:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:39:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:39:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:39:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:39:49,421 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:39:49,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:39:49,784 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:39:49,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:39:49,790 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:39:49,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:49 BoogieIcfgContainer [2022-07-22 17:39:49,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:39:49,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:39:49,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:39:49,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:39:49,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:48" (1/3) ... [2022-07-22 17:39:49,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432b1813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:49, skipping insertion in model container [2022-07-22 17:39:49,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:49" (2/3) ... [2022-07-22 17:39:49,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432b1813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:49, skipping insertion in model container [2022-07-22 17:39:49,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:49" (3/3) ... [2022-07-22 17:39:49,805 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2022-07-22 17:39:49,817 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:39:49,818 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:39:49,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:39:49,884 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@489ce72e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@601c2f17 [2022-07-22 17:39:49,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:39:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:39:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:39:49,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:49,909 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] [2022-07-22 17:39:49,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:49,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:49,916 INFO L85 PathProgramCache]: Analyzing trace with hash 694872208, now seen corresponding path program 1 times [2022-07-22 17:39:49,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:49,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568509360] [2022-07-22 17:39:49,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:49,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:39:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:39:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:50,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568509360] [2022-07-22 17:39:50,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568509360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:50,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:50,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:39:50,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402692331] [2022-07-22 17:39:50,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:50,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:39:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:50,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:39:50,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:39:50,186 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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) [2022-07-22 17:39:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:50,228 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2022-07-22 17:39:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:39:50,230 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 [2022-07-22 17:39:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:50,241 INFO L225 Difference]: With dead ends: 187 [2022-07-22 17:39:50,241 INFO L226 Difference]: Without dead ends: 89 [2022-07-22 17:39:50,246 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 [2022-07-22 17:39:50,251 INFO L413 NwaCegarLoop]: 123 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, 123 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 [2022-07-22 17:39:50,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:50,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-22 17:39:50,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-22 17:39:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 75 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:39:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-07-22 17:39:50,317 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 32 [2022-07-22 17:39:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:50,318 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 17:39:50,318 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) [2022-07-22 17:39:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-07-22 17:39:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-22 17:39:50,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:50,326 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] [2022-07-22 17:39:50,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:39:50,327 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:50,329 INFO L85 PathProgramCache]: Analyzing trace with hash -778098819, now seen corresponding path program 1 times [2022-07-22 17:39:50,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:50,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382037030] [2022-07-22 17:39:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:39:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:39:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:50,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382037030] [2022-07-22 17:39:50,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382037030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:50,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:50,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:39:50,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589763318] [2022-07-22 17:39:50,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:50,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:39:50,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:50,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:39:50,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:39:50,458 INFO L87 Difference]: Start difference. First operand 89 states and 114 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) [2022-07-22 17:39:50,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:50,481 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-07-22 17:39:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:39:50,482 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 [2022-07-22 17:39:50,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:50,485 INFO L225 Difference]: With dead ends: 138 [2022-07-22 17:39:50,485 INFO L226 Difference]: Without dead ends: 80 [2022-07-22 17:39:50,489 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 [2022-07-22 17:39:50,492 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 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 [2022-07-22 17:39:50,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:39:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-07-22 17:39:50,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-07-22 17:39:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:39:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2022-07-22 17:39:50,505 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 33 [2022-07-22 17:39:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:50,506 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2022-07-22 17:39:50,506 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) [2022-07-22 17:39:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2022-07-22 17:39:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 17:39:50,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:50,509 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] [2022-07-22 17:39:50,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:39:50,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:50,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1811500472, now seen corresponding path program 1 times [2022-07-22 17:39:50,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905866212] [2022-07-22 17:39:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:39:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 17:39:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:50,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:50,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905866212] [2022-07-22 17:39:50,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905866212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:50,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:50,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:39:50,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818011759] [2022-07-22 17:39:50,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:50,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:39:50,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:50,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:39:50,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:39:50,636 INFO L87 Difference]: Start difference. First operand 80 states and 102 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) [2022-07-22 17:39:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:50,746 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2022-07-22 17:39:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:39:50,747 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 [2022-07-22 17:39:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:50,749 INFO L225 Difference]: With dead ends: 199 [2022-07-22 17:39:50,749 INFO L226 Difference]: Without dead ends: 127 [2022-07-22 17:39:50,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:39:50,751 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 163 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:50,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 350 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:50,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-07-22 17:39:50,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-07-22 17:39:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 105 states have internal predecessors, (125), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-07-22 17:39:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2022-07-22 17:39:50,766 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 38 [2022-07-22 17:39:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:50,767 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2022-07-22 17:39:50,767 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) [2022-07-22 17:39:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2022-07-22 17:39:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 17:39:50,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:50,769 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] [2022-07-22 17:39:50,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:39:50,769 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:50,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1858694344, now seen corresponding path program 1 times [2022-07-22 17:39:50,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:50,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291269590] [2022-07-22 17:39:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:39:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:39:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:39:50,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:50,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291269590] [2022-07-22 17:39:50,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291269590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:50,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:50,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:39:50,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674626950] [2022-07-22 17:39:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:50,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:39:50,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:50,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:39:50,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:39:50,868 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:50,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:50,965 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2022-07-22 17:39:50,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:39:50,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-07-22 17:39:50,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:50,969 INFO L225 Difference]: With dead ends: 288 [2022-07-22 17:39:50,970 INFO L226 Difference]: Without dead ends: 172 [2022-07-22 17:39:50,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:39:50,980 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 50 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:50,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 487 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-07-22 17:39:51,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2022-07-22 17:39:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 133 states have internal predecessors, (156), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-22 17:39:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 204 transitions. [2022-07-22 17:39:51,011 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 204 transitions. Word has length 41 [2022-07-22 17:39:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:51,012 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 204 transitions. [2022-07-22 17:39:51,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:39:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 204 transitions. [2022-07-22 17:39:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:39:51,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:51,016 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] [2022-07-22 17:39:51,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:39:51,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:51,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:51,017 INFO L85 PathProgramCache]: Analyzing trace with hash -873577577, now seen corresponding path program 1 times [2022-07-22 17:39:51,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:51,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002944142] [2022-07-22 17:39:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:51,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:39:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:39:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:39:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:51,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:51,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002944142] [2022-07-22 17:39:51,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002944142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:51,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:51,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:39:51,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548439262] [2022-07-22 17:39:51,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:51,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:39:51,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:51,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:39:51,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:39:51,122 INFO L87 Difference]: Start difference. First operand 162 states and 204 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:51,223 INFO L93 Difference]: Finished difference Result 343 states and 432 transitions. [2022-07-22 17:39:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:39:51,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 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 55 [2022-07-22 17:39:51,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:51,228 INFO L225 Difference]: With dead ends: 343 [2022-07-22 17:39:51,228 INFO L226 Difference]: Without dead ends: 189 [2022-07-22 17:39:51,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:39:51,230 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 90 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:51,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 276 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:51,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-22 17:39:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2022-07-22 17:39:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 151 states have internal predecessors, (177), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2022-07-22 17:39:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2022-07-22 17:39:51,252 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 55 [2022-07-22 17:39:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:51,252 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2022-07-22 17:39:51,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2022-07-22 17:39:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:39:51,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:51,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:51,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:39:51,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:51,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash 68722199, now seen corresponding path program 1 times [2022-07-22 17:39:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33717616] [2022-07-22 17:39:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:39:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:39:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:39:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:51,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:51,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33717616] [2022-07-22 17:39:51,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33717616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:51,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:51,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:39:51,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455462278] [2022-07-22 17:39:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:51,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:39:51,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:51,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:39:51,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:39:51,383 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:51,614 INFO L93 Difference]: Finished difference Result 528 states and 687 transitions. [2022-07-22 17:39:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:39:51,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-22 17:39:51,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:51,618 INFO L225 Difference]: With dead ends: 528 [2022-07-22 17:39:51,619 INFO L226 Difference]: Without dead ends: 351 [2022-07-22 17:39:51,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-22 17:39:51,621 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 172 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:51,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 416 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:39:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-07-22 17:39:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 320. [2022-07-22 17:39:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 245 states have (on average 1.2448979591836735) internal successors, (305), 259 states have internal predecessors, (305), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-07-22 17:39:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 401 transitions. [2022-07-22 17:39:51,656 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 401 transitions. Word has length 52 [2022-07-22 17:39:51,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:51,657 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 401 transitions. [2022-07-22 17:39:51,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 401 transitions. [2022-07-22 17:39:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:39:51,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:51,660 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] [2022-07-22 17:39:51,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:39:51,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:51,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash -353979627, now seen corresponding path program 1 times [2022-07-22 17:39:51,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:51,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934779493] [2022-07-22 17:39:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:39:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:39:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:39:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:51,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:51,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934779493] [2022-07-22 17:39:51,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934779493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:51,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:51,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:39:51,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242236143] [2022-07-22 17:39:51,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:51,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:39:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:51,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:39:51,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:39:51,744 INFO L87 Difference]: Start difference. First operand 320 states and 401 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:51,896 INFO L93 Difference]: Finished difference Result 646 states and 820 transitions. [2022-07-22 17:39:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:39:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-22 17:39:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:51,899 INFO L225 Difference]: With dead ends: 646 [2022-07-22 17:39:51,899 INFO L226 Difference]: Without dead ends: 334 [2022-07-22 17:39:51,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:39:51,903 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 65 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:51,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 390 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-07-22 17:39:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2022-07-22 17:39:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 251 states have (on average 1.2390438247011952) internal successors, (311), 265 states have internal predecessors, (311), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-07-22 17:39:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 407 transitions. [2022-07-22 17:39:51,925 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 407 transitions. Word has length 52 [2022-07-22 17:39:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 407 transitions. [2022-07-22 17:39:51,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 407 transitions. [2022-07-22 17:39:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 17:39:51,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:51,929 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] [2022-07-22 17:39:51,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:39:51,930 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2042923369, now seen corresponding path program 1 times [2022-07-22 17:39:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:51,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333576173] [2022-07-22 17:39:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:39:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:39:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:39:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:52,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:52,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333576173] [2022-07-22 17:39:52,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333576173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:52,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:52,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:39:52,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937611800] [2022-07-22 17:39:52,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:52,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:39:52,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:52,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:39:52,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:39:52,008 INFO L87 Difference]: Start difference. First operand 326 states and 407 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:52,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:52,109 INFO L93 Difference]: Finished difference Result 601 states and 757 transitions. [2022-07-22 17:39:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:39:52,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-07-22 17:39:52,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:52,111 INFO L225 Difference]: With dead ends: 601 [2022-07-22 17:39:52,112 INFO L226 Difference]: Without dead ends: 283 [2022-07-22 17:39:52,113 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 [2022-07-22 17:39:52,113 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:52,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 299 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:39:52,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-07-22 17:39:52,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 278. [2022-07-22 17:39:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.219626168224299) internal successors, (261), 226 states have internal predecessors, (261), 35 states have call successors, (35), 27 states have call predecessors, (35), 28 states have return successors, (42), 34 states have call predecessors, (42), 35 states have call successors, (42) [2022-07-22 17:39:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 338 transitions. [2022-07-22 17:39:52,127 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 338 transitions. Word has length 52 [2022-07-22 17:39:52,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:52,127 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 338 transitions. [2022-07-22 17:39:52,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:39:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 338 transitions. [2022-07-22 17:39:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-22 17:39:52,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:52,129 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, 1] [2022-07-22 17:39:52,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:39:52,129 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:52,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1510613325, now seen corresponding path program 1 times [2022-07-22 17:39:52,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:52,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348060383] [2022-07-22 17:39:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:39:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:39:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 17:39:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 17:39:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:39:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:52,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348060383] [2022-07-22 17:39:52,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348060383] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:39:52,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:39:52,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:39:52,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733121845] [2022-07-22 17:39:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:39:52,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:39:52,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:39:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:39:52,238 INFO L87 Difference]: Start difference. First operand 278 states and 338 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:39:53,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:53,081 INFO L93 Difference]: Finished difference Result 842 states and 1077 transitions. [2022-07-22 17:39:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 17:39:53,081 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-22 17:39:53,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:53,085 INFO L225 Difference]: With dead ends: 842 [2022-07-22 17:39:53,085 INFO L226 Difference]: Without dead ends: 660 [2022-07-22 17:39:53,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-07-22 17:39:53,087 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 569 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:53,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 661 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:39:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-07-22 17:39:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 590. [2022-07-22 17:39:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 450 states have (on average 1.2066666666666668) internal successors, (543), 480 states have internal predecessors, (543), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2022-07-22 17:39:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 726 transitions. [2022-07-22 17:39:53,121 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 726 transitions. Word has length 56 [2022-07-22 17:39:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:53,121 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 726 transitions. [2022-07-22 17:39:53,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:39:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 726 transitions. [2022-07-22 17:39:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-22 17:39:53,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:39:53,123 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, 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] [2022-07-22 17:39:53,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:39:53,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:39:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:39:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1787594627, now seen corresponding path program 1 times [2022-07-22 17:39:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:39:53,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452770299] [2022-07-22 17:39:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:39:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:39:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:39:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:39:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:39:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 17:39:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:39:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:39:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:39:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:39:53,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:39:53,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452770299] [2022-07-22 17:39:53,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452770299] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:39:53,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764317104] [2022-07-22 17:39:53,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:39:53,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:39:53,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:53,259 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) [2022-07-22 17:39:53,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:39:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:39:53,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:39:53,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:39:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:39:53,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:39:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:39:53,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764317104] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:39:53,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:39:53,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-07-22 17:39:53,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862094731] [2022-07-22 17:39:53,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:39:53,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-22 17:39:53,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:39:53,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-22 17:39:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:39:53,754 INFO L87 Difference]: Start difference. First operand 590 states and 726 transitions. Second operand has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:39:54,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:39:54,661 INFO L93 Difference]: Finished difference Result 1300 states and 1653 transitions. [2022-07-22 17:39:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-22 17:39:54,662 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-07-22 17:39:54,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:39:54,663 INFO L225 Difference]: With dead ends: 1300 [2022-07-22 17:39:54,663 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:39:54,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2022-07-22 17:39:54,667 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 376 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:39:54,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1341 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:39:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:39:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:39:54,669 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) [2022-07-22 17:39:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:39:54,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-07-22 17:39:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:39:54,670 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:39:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-07-22 17:39:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:39:54,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:39:54,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:39:54,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:39:54,895 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 [2022-07-22 17:39:54,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:39:58,692 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:39:58,692 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-07-22 17:39:58,692 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-07-22 17:39:58,692 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-07-22 17:39:58,692 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-07-22 17:39:58,692 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-07-22 17:39:58,692 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 926 937) the Hoare annotation is: true [2022-07-22 17:39:58,693 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 926 937) no Hoare annotation was computed. [2022-07-22 17:39:58,693 INFO L899 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2022-07-22 17:39:58,693 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2022-07-22 17:39:58,693 INFO L902 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2022-07-22 17:39:58,693 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2022-07-22 17:39:58,693 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-07-22 17:39:58,693 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2022-07-22 17:39:58,694 INFO L902 garLoopResultBuilder]: At program point L782(lines 757 786) the Hoare annotation is: true [2022-07-22 17:39:58,694 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-07-22 17:39:58,694 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2022-07-22 17:39:58,694 INFO L902 garLoopResultBuilder]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2022-07-22 17:39:58,695 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,695 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:39:58,695 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-07-22 17:39:58,695 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-22 17:39:58,695 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-07-22 17:39:58,695 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-07-22 17:39:58,696 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-07-22 17:39:58,696 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-07-22 17:39:58,696 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2022-07-22 17:39:58,696 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2022-07-22 17:39:58,697 INFO L895 garLoopResultBuilder]: At program point L734-1(lines 726 754) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not .cse5))) (and (let ((.cse2 (<= ~waterLevel~0 2))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse8 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) (and .cse1 .cse9 .cse4) .cse5 .cse6) (or (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse8 .cse6 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse11 .cse3 .cse4) .cse0 (and .cse7 .cse11 .cse3) .cse5 .cse6 .cse10)) (or .cse8 (and .cse1 .cse9) .cse6 .cse4)))) [2022-07-22 17:39:58,697 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-07-22 17:39:58,700 INFO L895 garLoopResultBuilder]: At program point L723(lines 716 725) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4) .cse3)))) [2022-07-22 17:39:58,700 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 (not .cse3)) .cse4)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse1 .cse6 .cse7) .cse3 .cse4 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse3 .cse4 .cse10 (and .cse1 .cse9 .cse7))) (or .cse0 .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse10))) [2022-07-22 17:39:58,700 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,701 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,701 INFO L895 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (let ((.cse5 (<= ~waterLevel~0 2))) (or .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse1 (and .cse8 .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse3 (and .cse8 .cse9 .cse6) .cse7 .cse1 .cse2 (and .cse4 .cse9 .cse6))) (or .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-22 17:39:58,701 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2022-07-22 17:39:58,701 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2022-07-22 17:39:58,701 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-22 17:39:58,701 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4) .cse1)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse3 .cse6 .cse7) .cse2 .cse1 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse9 .cse7))))) [2022-07-22 17:39:58,702 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:39:58,702 INFO L895 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,702 INFO L895 garLoopResultBuilder]: At program point L175(lines 168 178) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,702 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-07-22 17:39:58,702 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-07-22 17:39:58,702 INFO L899 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2022-07-22 17:39:58,703 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2022-07-22 17:39:58,703 INFO L895 garLoopResultBuilder]: At program point L906-2(lines 902 913) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:39:58,703 INFO L902 garLoopResultBuilder]: At program point L333(lines 270 337) the Hoare annotation is: true [2022-07-22 17:39:58,703 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2022-07-22 17:39:58,703 INFO L899 garLoopResultBuilder]: For program point L300-1(lines 300 306) no Hoare annotation was computed. [2022-07-22 17:39:58,703 INFO L895 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:39:58,703 INFO L895 garLoopResultBuilder]: At program point L263(lines 258 265) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,703 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:39:58,704 INFO L895 garLoopResultBuilder]: At program point L255(lines 243 257) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L895 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L842-2(lines 842 849) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:39:58,704 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2022-07-22 17:39:58,705 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 310 325) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,705 INFO L902 garLoopResultBuilder]: At program point L826(lines 818 828) the Hoare annotation is: true [2022-07-22 17:39:58,705 INFO L899 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2022-07-22 17:39:58,705 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2022-07-22 17:39:58,706 INFO L902 garLoopResultBuilder]: At program point L851(lines 832 854) the Hoare annotation is: true [2022-07-22 17:39:58,706 INFO L895 garLoopResultBuilder]: At program point L880(lines 876 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:39:58,706 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,706 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 329) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,708 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2022-07-22 17:39:58,708 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2022-07-22 17:39:58,708 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-07-22 17:39:58,708 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L815(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:39:58,709 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2022-07-22 17:39:58,709 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L988(lines 979 992) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 (not .cse3) .cse0 .cse1 .cse4) (or .cse2 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse0 .cse1 .cse4)))) [2022-07-22 17:39:58,709 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0 .cse1))) [2022-07-22 17:39:58,709 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) .cse0 .cse1)))) [2022-07-22 17:39:58,709 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-07-22 17:39:58,709 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 914 925) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3))) [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-07-22 17:39:58,710 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-07-22 17:39:58,710 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-07-22 17:39:58,713 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:39:58,715 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:39:58,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:39:58 BoogieIcfgContainer [2022-07-22 17:39:58,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:39:58,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:39:58,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:39:58,764 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:39:58,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:49" (3/4) ... [2022-07-22 17:39:58,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:39:58,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:39:58,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:39:58,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:39:58,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:39:58,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:39:58,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:58,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:39:58,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:39:58,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-22 17:39:58,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:39:58,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:39:58,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:39:58,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:39:58,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:58,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:39:58,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-22 17:39:58,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-22 17:39:58,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-22 17:39:58,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-07-22 17:39:58,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:39:58,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:39:58,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-07-22 17:39:58,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-07-22 17:39:58,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-07-22 17:39:58,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:39:58,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive [2022-07-22 17:39:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2022-07-22 17:39:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:39:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:39:58,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) [2022-07-22 17:39:58,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-22 17:39:58,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-07-22 17:39:58,829 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:39:58,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:39:58,829 INFO L158 Benchmark]: Toolchain (without parser) took 10088.58ms. Allocated memory was 86.0MB in the beginning and 161.5MB in the end (delta: 75.5MB). Free memory was 52.2MB in the beginning and 110.2MB in the end (delta: -58.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,830 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:39:58,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.14ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 51.9MB in the beginning and 74.9MB in the end (delta: -23.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.40ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,831 INFO L158 Benchmark]: Boogie Preprocessor took 37.46ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,831 INFO L158 Benchmark]: RCFGBuilder took 528.41ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 80.6MB in the end (delta: -9.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,831 INFO L158 Benchmark]: TraceAbstraction took 8969.65ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 80.1MB in the beginning and 116.4MB in the end (delta: -36.3MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,832 INFO L158 Benchmark]: Witness Printer took 65.72ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 110.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:39:58,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.14ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 51.9MB in the beginning and 74.9MB in the end (delta: -23.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.40ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.46ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.41ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 80.6MB in the end (delta: -9.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8969.65ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 80.1MB in the beginning and 116.4MB in the end (delta: -36.3MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. * Witness Printer took 65.72ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 110.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 860]: 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 9 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1602 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1568 mSDsluCounter, 4523 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3263 mSDsCounter, 504 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2073 IncrementalHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 504 mSolverCounterUnsat, 1260 mSDtfsCounter, 2073 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=9, InterpolantAutomatonStates: 109, 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, 131 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1425 PreInvPairs, 1739 NumberOfFragments, 1969 HoareAnnotationTreeSize, 1425 FomulaSimplifications, 2139 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 12013 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 1333 SizeOfPredicates, 3 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 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: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:39:58,884 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