./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product59.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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:58:53,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:58:53,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:58:53,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:58:53,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:58:53,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:58:53,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:58:53,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:58:53,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:58:53,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:58:53,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:58:53,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:58:53,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:58:53,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:58:53,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:58:53,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:58:53,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:58:53,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:58:53,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:58:53,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:58:53,406 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:58:53,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:58:53,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:58:53,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:58:53,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:58:53,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:58:53,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:58:53,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:58:53,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:58:53,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:58:53,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:58:53,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:58:53,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:58:53,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:58:53,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:58:53,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:58:53,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:58:53,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:58:53,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:58:53,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:58:53,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:58:53,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:58:53,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:58:53,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:58:53,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:58:53,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:58:53,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:58:53,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:58:53,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:58:53,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:58:53,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:58:53,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:58:53,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:58:53,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:58:53,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:58:53,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:58:53,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:53,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:58:53,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:58:53,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:58:53,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:58:53,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:58:53,441 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:58:53,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:58:53,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:58:53,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2022-07-13 17:58:53,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:58:53,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:58:53,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:58:53,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:58:53,653 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:58:53,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-07-13 17:58:53,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6c65c66/69bf2dfc0f9f4906af258ef17ae9218e/FLAGf7006db6d [2022-07-13 17:58:54,162 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:58:54,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-07-13 17:58:54,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6c65c66/69bf2dfc0f9f4906af258ef17ae9218e/FLAGf7006db6d [2022-07-13 17:58:54,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6c65c66/69bf2dfc0f9f4906af258ef17ae9218e [2022-07-13 17:58:54,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:58:54,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:58:54,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:54,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:58:54,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:58:54,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd08ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54, skipping insertion in model container [2022-07-13 17:58:54,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:58:54,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:58:54,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-07-13 17:58:54,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:54,493 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:58:54,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-07-13 17:58:54,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:54,581 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:58:54,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54 WrapperNode [2022-07-13 17:58:54,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:54,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:54,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:58:54,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:58:54,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,627 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 279 [2022-07-13 17:58:54,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:54,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:58:54,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:58:54,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:58:54,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:58:54,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:58:54,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:58:54,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:58:54,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (1/1) ... [2022-07-13 17:58:54,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:54,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:54,707 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) [2022-07-13 17:58:54,717 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 [2022-07-13 17:58:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:58:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:58:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:58:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:58:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:58:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:58:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:58:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:58:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:58:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:58:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:58:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:58:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:58:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:58:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:58:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:58:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:58:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:58:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:58:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:58:54,803 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:58:54,804 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:58:55,088 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:58:55,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:58:55,093 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:58:55,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:55 BoogieIcfgContainer [2022-07-13 17:58:55,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:58:55,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:58:55,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:58:55,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:58:55,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:58:54" (1/3) ... [2022-07-13 17:58:55,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cbd032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:55, skipping insertion in model container [2022-07-13 17:58:55,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:54" (2/3) ... [2022-07-13 17:58:55,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cbd032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:55, skipping insertion in model container [2022-07-13 17:58:55,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:55" (3/3) ... [2022-07-13 17:58:55,107 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2022-07-13 17:58:55,119 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:58:55,119 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:58:55,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:58:55,175 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@1bae7d28, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a868657 [2022-07-13 17:58:55,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:58:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 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) [2022-07-13 17:58:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:58:55,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:55,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:55,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:55,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -13342285, now seen corresponding path program 1 times [2022-07-13 17:58:55,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:55,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11597790] [2022-07-13 17:58:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:55,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:58:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:55,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:55,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11597790] [2022-07-13 17:58:55,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11597790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:55,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:55,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:58:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99042209] [2022-07-13 17:58:55,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:55,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:58:55,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:58:55,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:58:55,441 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:55,477 INFO L93 Difference]: Finished difference Result 191 states and 260 transitions. [2022-07-13 17:58:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:58:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-13 17:58:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:55,491 INFO L225 Difference]: With dead ends: 191 [2022-07-13 17:58:55,491 INFO L226 Difference]: Without dead ends: 91 [2022-07-13 17:58:55,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:58:55,496 INFO L413 NwaCegarLoop]: 127 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, 127 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 [2022-07-13 17:58:55,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:55,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-13 17:58:55,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-13 17:58:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 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) [2022-07-13 17:58:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-07-13 17:58:55,527 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2022-07-13 17:58:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:55,527 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-07-13 17:58:55,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-07-13 17:58:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:58:55,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:55,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:55,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:58:55,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:55,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:55,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1348159518, now seen corresponding path program 1 times [2022-07-13 17:58:55,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:55,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149519251] [2022-07-13 17:58:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:55,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:58:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:55,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149519251] [2022-07-13 17:58:55,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149519251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:55,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:55,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427221478] [2022-07-13 17:58:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:55,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:55,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:55,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:55,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:55,614 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:55,639 INFO L93 Difference]: Finished difference Result 143 states and 185 transitions. [2022-07-13 17:58:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:55,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-13 17:58:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:55,644 INFO L225 Difference]: With dead ends: 143 [2022-07-13 17:58:55,645 INFO L226 Difference]: Without dead ends: 82 [2022-07-13 17:58:55,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:55,647 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 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 [2022-07-13 17:58:55,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-13 17:58:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-13 17:58:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 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) [2022-07-13 17:58:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-07-13 17:58:55,655 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2022-07-13 17:58:55,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:55,655 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-07-13 17:58:55,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-07-13 17:58:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 17:58:55,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:55,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:55,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:58:55,657 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:55,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:55,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1571393351, now seen corresponding path program 1 times [2022-07-13 17:58:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:55,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269785034] [2022-07-13 17:58:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:55,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:55,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269785034] [2022-07-13 17:58:55,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269785034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:55,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:55,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:55,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058069412] [2022-07-13 17:58:55,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:55,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:55,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:55,718 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:55,744 INFO L93 Difference]: Finished difference Result 229 states and 302 transitions. [2022-07-13 17:58:55,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:55,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-13 17:58:55,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:55,746 INFO L225 Difference]: With dead ends: 229 [2022-07-13 17:58:55,746 INFO L226 Difference]: Without dead ends: 155 [2022-07-13 17:58:55,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:55,748 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 85 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:55,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 226 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-07-13 17:58:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2022-07-13 17:58:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 130 states have internal predecessors, (156), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-13 17:58:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2022-07-13 17:58:55,764 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 200 transitions. Word has length 30 [2022-07-13 17:58:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:55,764 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 200 transitions. [2022-07-13 17:58:55,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 200 transitions. [2022-07-13 17:58:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-13 17:58:55,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:55,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:55,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:58:55,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:55,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1136396561, now seen corresponding path program 1 times [2022-07-13 17:58:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:55,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903331707] [2022-07-13 17:58:55,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:55,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:55,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903331707] [2022-07-13 17:58:55,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903331707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:55,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:55,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:55,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444196370] [2022-07-13 17:58:55,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:55,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:55,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:55,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:55,835 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:55,926 INFO L93 Difference]: Finished difference Result 438 states and 585 transitions. [2022-07-13 17:58:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-13 17:58:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:55,932 INFO L225 Difference]: With dead ends: 438 [2022-07-13 17:58:55,932 INFO L226 Difference]: Without dead ends: 294 [2022-07-13 17:58:55,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:58:55,934 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 74 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:55,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 518 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-07-13 17:58:55,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2022-07-13 17:58:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 215 states have (on average 1.344186046511628) internal successors, (289), 244 states have internal predecessors, (289), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2022-07-13 17:58:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 379 transitions. [2022-07-13 17:58:55,963 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 379 transitions. Word has length 34 [2022-07-13 17:58:55,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:55,964 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 379 transitions. [2022-07-13 17:58:55,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 379 transitions. [2022-07-13 17:58:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 17:58:55,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:55,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:55,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:58:55,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:55,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:55,966 INFO L85 PathProgramCache]: Analyzing trace with hash -373671891, now seen corresponding path program 1 times [2022-07-13 17:58:55,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:55,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615509983] [2022-07-13 17:58:55,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:55,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:58:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:56,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615509983] [2022-07-13 17:58:56,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615509983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:56,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:56,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:56,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733895772] [2022-07-13 17:58:56,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:56,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:56,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:56,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:56,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:56,024 INFO L87 Difference]: Start difference. First operand 288 states and 379 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:58:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:56,269 INFO L93 Difference]: Finished difference Result 744 states and 996 transitions. [2022-07-13 17:58:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:58:56,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-13 17:58:56,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:56,277 INFO L225 Difference]: With dead ends: 744 [2022-07-13 17:58:56,277 INFO L226 Difference]: Without dead ends: 464 [2022-07-13 17:58:56,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:58:56,287 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 127 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:56,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 205 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:56,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-07-13 17:58:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 450. [2022-07-13 17:58:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 337 states have (on average 1.2967359050445104) internal successors, (437), 370 states have internal predecessors, (437), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-07-13 17:58:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 577 transitions. [2022-07-13 17:58:56,315 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 577 transitions. Word has length 38 [2022-07-13 17:58:56,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:56,315 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 577 transitions. [2022-07-13 17:58:56,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:58:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 577 transitions. [2022-07-13 17:58:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 17:58:56,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:56,318 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] [2022-07-13 17:58:56,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:58:56,318 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1261041571, now seen corresponding path program 1 times [2022-07-13 17:58:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:56,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791918374] [2022-07-13 17:58:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 17:58:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:56,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:56,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791918374] [2022-07-13 17:58:56,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791918374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:56,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:56,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:58:56,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334093003] [2022-07-13 17:58:56,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:56,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:58:56,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:56,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:58:56,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:56,385 INFO L87 Difference]: Start difference. First operand 450 states and 577 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:58:56,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:56,623 INFO L93 Difference]: Finished difference Result 1008 states and 1325 transitions. [2022-07-13 17:58:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:58:56,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-07-13 17:58:56,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:56,626 INFO L225 Difference]: With dead ends: 1008 [2022-07-13 17:58:56,626 INFO L226 Difference]: Without dead ends: 566 [2022-07-13 17:58:56,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:58:56,631 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 140 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:56,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 223 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-07-13 17:58:56,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 544. [2022-07-13 17:58:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 411 states have (on average 1.2627737226277371) internal successors, (519), 444 states have internal predecessors, (519), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2022-07-13 17:58:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 687 transitions. [2022-07-13 17:58:56,662 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 687 transitions. Word has length 56 [2022-07-13 17:58:56,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:56,663 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 687 transitions. [2022-07-13 17:58:56,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:58:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 687 transitions. [2022-07-13 17:58:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 17:58:56,669 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:56,669 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] [2022-07-13 17:58:56,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:58:56,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:56,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1110697691, now seen corresponding path program 1 times [2022-07-13 17:58:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166314417] [2022-07-13 17:58:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 17:58:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:56,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:56,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166314417] [2022-07-13 17:58:56,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166314417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:56,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:56,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:58:56,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458857501] [2022-07-13 17:58:56,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:56,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:58:56,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:56,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:58:56,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:56,738 INFO L87 Difference]: Start difference. First operand 544 states and 687 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:58:57,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:57,117 INFO L93 Difference]: Finished difference Result 1134 states and 1469 transitions. [2022-07-13 17:58:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 17:58:57,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-13 17:58:57,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:57,122 INFO L225 Difference]: With dead ends: 1134 [2022-07-13 17:58:57,122 INFO L226 Difference]: Without dead ends: 598 [2022-07-13 17:58:57,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-07-13 17:58:57,125 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 367 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:57,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 239 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 17:58:57,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-07-13 17:58:57,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 552. [2022-07-13 17:58:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 419 states have (on average 1.2577565632458234) internal successors, (527), 452 states have internal predecessors, (527), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2022-07-13 17:58:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 695 transitions. [2022-07-13 17:58:57,166 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 695 transitions. Word has length 56 [2022-07-13 17:58:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:57,167 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 695 transitions. [2022-07-13 17:58:57,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:58:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 695 transitions. [2022-07-13 17:58:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 17:58:57,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:57,169 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] [2022-07-13 17:58:57,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:58:57,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:57,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 275505703, now seen corresponding path program 1 times [2022-07-13 17:58:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:57,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349297170] [2022-07-13 17:58:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:58:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 17:58:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:57,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349297170] [2022-07-13 17:58:57,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349297170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:57,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:57,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:58:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857497971] [2022-07-13 17:58:57,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:57,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:58:57,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:57,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:58:57,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:58:57,231 INFO L87 Difference]: Start difference. First operand 552 states and 695 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:58:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:57,528 INFO L93 Difference]: Finished difference Result 1582 states and 2071 transitions. [2022-07-13 17:58:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 17:58:57,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-13 17:58:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:57,533 INFO L225 Difference]: With dead ends: 1582 [2022-07-13 17:58:57,533 INFO L226 Difference]: Without dead ends: 1038 [2022-07-13 17:58:57,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:58:57,535 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 328 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:57,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 258 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:57,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2022-07-13 17:58:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2022-07-13 17:58:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 773 states have (on average 1.2276843467011642) internal successors, (949), 824 states have internal predecessors, (949), 130 states have call successors, (130), 118 states have call predecessors, (130), 122 states have return successors, (216), 128 states have call predecessors, (216), 130 states have call successors, (216) [2022-07-13 17:58:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1295 transitions. [2022-07-13 17:58:57,578 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1295 transitions. Word has length 56 [2022-07-13 17:58:57,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:57,578 INFO L495 AbstractCegarLoop]: Abstraction has 1026 states and 1295 transitions. [2022-07-13 17:58:57,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:58:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1295 transitions. [2022-07-13 17:58:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-13 17:58:57,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:57,580 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, 1, 1, 1, 1] [2022-07-13 17:58:57,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:58:57,580 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:57,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:57,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1790739521, now seen corresponding path program 1 times [2022-07-13 17:58:57,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:57,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328764211] [2022-07-13 17:58:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:58:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:58:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-13 17:58:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:58:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:57,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328764211] [2022-07-13 17:58:57,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328764211] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:57,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459307647] [2022-07-13 17:58:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:57,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:57,717 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) [2022-07-13 17:58:57,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:58:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:57,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 17:58:57,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:58:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:57,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:58:57,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459307647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:57,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:58:57,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-07-13 17:58:57,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981369079] [2022-07-13 17:58:57,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:57,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:58:57,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:57,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:58:57,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:58:57,971 INFO L87 Difference]: Start difference. First operand 1026 states and 1295 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 17:58:58,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:58,080 INFO L93 Difference]: Finished difference Result 2000 states and 2536 transitions. [2022-07-13 17:58:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:58:58,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-13 17:58:58,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:58,085 INFO L225 Difference]: With dead ends: 2000 [2022-07-13 17:58:58,086 INFO L226 Difference]: Without dead ends: 982 [2022-07-13 17:58:58,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-13 17:58:58,090 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 80 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:58,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 553 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:58:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-07-13 17:58:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 978. [2022-07-13 17:58:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 735 states have (on average 1.2122448979591838) internal successors, (891), 784 states have internal predecessors, (891), 126 states have call successors, (126), 114 states have call predecessors, (126), 116 states have return successors, (188), 122 states have call predecessors, (188), 126 states have call successors, (188) [2022-07-13 17:58:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1205 transitions. [2022-07-13 17:58:58,144 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1205 transitions. Word has length 60 [2022-07-13 17:58:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:58,144 INFO L495 AbstractCegarLoop]: Abstraction has 978 states and 1205 transitions. [2022-07-13 17:58:58,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 17:58:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1205 transitions. [2022-07-13 17:58:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-13 17:58:58,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:58,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:58,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:58:58,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:58,364 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:58,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:58,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1108761287, now seen corresponding path program 1 times [2022-07-13 17:58:58,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:58,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091242859] [2022-07-13 17:58:58,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:58,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:58:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-13 17:58:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:58:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-13 17:58:58,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:58,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091242859] [2022-07-13 17:58:58,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091242859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:58,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:58,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:58:58,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561464926] [2022-07-13 17:58:58,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:58,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:58:58,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:58,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:58:58,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:58:58,446 INFO L87 Difference]: Start difference. First operand 978 states and 1205 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-13 17:58:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:58,761 INFO L93 Difference]: Finished difference Result 1315 states and 1625 transitions. [2022-07-13 17:58:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 17:58:58,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 87 [2022-07-13 17:58:58,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:58,764 INFO L225 Difference]: With dead ends: 1315 [2022-07-13 17:58:58,764 INFO L226 Difference]: Without dead ends: 585 [2022-07-13 17:58:58,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:58:58,766 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 364 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:58,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 280 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:58:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-07-13 17:58:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 565. [2022-07-13 17:58:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 425 states have (on average 1.1694117647058824) internal successors, (497), 455 states have internal predecessors, (497), 73 states have call successors, (73), 56 states have call predecessors, (73), 66 states have return successors, (120), 73 states have call predecessors, (120), 73 states have call successors, (120) [2022-07-13 17:58:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 690 transitions. [2022-07-13 17:58:58,791 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 690 transitions. Word has length 87 [2022-07-13 17:58:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:58,791 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 690 transitions. [2022-07-13 17:58:58,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-13 17:58:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 690 transitions. [2022-07-13 17:58:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-13 17:58:58,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:58,793 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:58,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:58:58,793 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash -188705161, now seen corresponding path program 1 times [2022-07-13 17:58:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:58,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628629009] [2022-07-13 17:58:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:58:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:58:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:58:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:58:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-13 17:58:58,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:58,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628629009] [2022-07-13 17:58:58,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628629009] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:58,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892453564] [2022-07-13 17:58:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:58,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:58,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:58,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:58:58,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:58:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:58,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 17:58:58,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:58:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-13 17:58:59,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:58:59,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892453564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:59,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:58:59,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-13 17:58:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955901084] [2022-07-13 17:58:59,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:59,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:58:59,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:59,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:58:59,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:58:59,031 INFO L87 Difference]: Start difference. First operand 565 states and 690 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 17:58:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:59,070 INFO L93 Difference]: Finished difference Result 1080 states and 1360 transitions. [2022-07-13 17:58:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:58:59,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-07-13 17:58:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:59,074 INFO L225 Difference]: With dead ends: 1080 [2022-07-13 17:58:59,074 INFO L226 Difference]: Without dead ends: 617 [2022-07-13 17:58:59,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-07-13 17:58:59,076 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:59,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 396 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-07-13 17:58:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 577. [2022-07-13 17:58:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 437 states have (on average 1.1647597254004576) internal successors, (509), 467 states have internal predecessors, (509), 73 states have call successors, (73), 56 states have call predecessors, (73), 66 states have return successors, (120), 73 states have call predecessors, (120), 73 states have call successors, (120) [2022-07-13 17:58:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 702 transitions. [2022-07-13 17:58:59,100 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 702 transitions. Word has length 98 [2022-07-13 17:58:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:59,101 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 702 transitions. [2022-07-13 17:58:59,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 17:58:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 702 transitions. [2022-07-13 17:58:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-13 17:58:59,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:59,103 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:59,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:58:59,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-13 17:58:59,324 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash -54691655, now seen corresponding path program 1 times [2022-07-13 17:58:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:59,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89846465] [2022-07-13 17:58:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:58:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:58:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:58:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:58:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-13 17:58:59,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:59,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89846465] [2022-07-13 17:58:59,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89846465] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:59,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571646638] [2022-07-13 17:58:59,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:59,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:59,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:59,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:58:59,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 17:58:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 17:58:59,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:58:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:58:59,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:58:59,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571646638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:59,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:58:59,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-13 17:58:59,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909660822] [2022-07-13 17:58:59,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:59,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:59,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:59,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:59,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:59,534 INFO L87 Difference]: Start difference. First operand 577 states and 702 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 17:58:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:59,585 INFO L93 Difference]: Finished difference Result 906 states and 1139 transitions. [2022-07-13 17:58:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:59,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-07-13 17:58:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:59,588 INFO L225 Difference]: With dead ends: 906 [2022-07-13 17:58:59,588 INFO L226 Difference]: Without dead ends: 904 [2022-07-13 17:58:59,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:59,589 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 47 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:59,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 193 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-07-13 17:58:59,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 703. [2022-07-13 17:58:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 535 states have (on average 1.1775700934579438) internal successors, (630), 571 states have internal predecessors, (630), 89 states have call successors, (89), 67 states have call predecessors, (89), 78 states have return successors, (158), 86 states have call predecessors, (158), 89 states have call successors, (158) [2022-07-13 17:58:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 877 transitions. [2022-07-13 17:58:59,619 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 877 transitions. Word has length 98 [2022-07-13 17:58:59,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:59,619 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 877 transitions. [2022-07-13 17:58:59,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 17:58:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 877 transitions. [2022-07-13 17:58:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-13 17:58:59,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:59,621 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:59,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 17:58:59,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:59,838 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:59,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1162464621, now seen corresponding path program 1 times [2022-07-13 17:58:59,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:59,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13667202] [2022-07-13 17:58:59,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:59,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:58:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:58:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:58:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:58:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:58:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:58:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 17:58:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:58:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:58:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-13 17:58:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:58:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 17:58:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:58:59,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:59,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13667202] [2022-07-13 17:58:59,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13667202] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:58:59,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215152328] [2022-07-13 17:58:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:59,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:58:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:59,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:58:59,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 17:59:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:00,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-13 17:59:00,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:59:00,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:59:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-13 17:59:00,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215152328] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:59:00,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:59:00,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 20 [2022-07-13 17:59:00,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238962125] [2022-07-13 17:59:00,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:59:00,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-13 17:59:00,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:00,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-13 17:59:00,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2022-07-13 17:59:00,472 INFO L87 Difference]: Start difference. First operand 703 states and 877 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-13 17:59:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:01,279 INFO L93 Difference]: Finished difference Result 1222 states and 1500 transitions. [2022-07-13 17:59:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 17:59:01,280 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 139 [2022-07-13 17:59:01,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:01,280 INFO L225 Difference]: With dead ends: 1222 [2022-07-13 17:59:01,280 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:01,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=327, Invalid=1155, Unknown=0, NotChecked=0, Total=1482 [2022-07-13 17:59:01,283 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 546 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:01,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 491 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 17:59:01,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:01,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:01,284 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) [2022-07-13 17:59:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:01,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-07-13 17:59:01,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:01,284 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:01,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-13 17:59:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:01,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:01,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:01,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:01,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:01,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:06,342 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2022-07-13 17:59:06,342 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-07-13 17:59:06,342 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-07-13 17:59:06,342 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2022-07-13 17:59:06,342 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2022-07-13 17:59:06,342 INFO L899 garLoopResultBuilder]: For program point L942-1(lines 938 949) no Hoare annotation was computed. [2022-07-13 17:59:06,342 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse2 .cse3 .cse6))) [2022-07-13 17:59:06,342 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2022-07-13 17:59:06,343 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-07-13 17:59:06,343 INFO L899 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2022-07-13 17:59:06,343 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2022-07-13 17:59:06,344 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2022-07-13 17:59:06,344 INFO L902 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2022-07-13 17:59:06,344 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-07-13 17:59:06,344 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-07-13 17:59:06,347 INFO L902 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2022-07-13 17:59:06,347 INFO L899 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2022-07-13 17:59:06,347 INFO L902 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2022-07-13 17:59:06,347 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2022-07-13 17:59:06,347 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 950 958) no Hoare annotation was computed. [2022-07-13 17:59:06,348 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2022-07-13 17:59:06,349 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-07-13 17:59:06,349 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 .cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 (and .cse0 .cse7 .cse8) .cse3) (or .cse5 .cse6 .cse2 .cse9 (and .cse1 .cse7 .cse8)) (or .cse6 .cse2 .cse9 (and .cse0 .cse1) .cse4) (or .cse5 .cse3 .cse10) (or .cse5 .cse9 .cse10))) [2022-07-13 17:59:06,349 INFO L895 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= 1 ~systemActive~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse16)) (.cse12 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse13 (let ((.cse17 (= ~waterLevel~0 0))) (or (and (not .cse17) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse17 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse3 (not .cse15)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse7 .cse8) (or .cse0 .cse3 .cse8) (or (and .cse9 .cse4 .cse10) .cse2 .cse7 (and .cse11 .cse10) (and .cse12 .cse4 .cse10 .cse13) .cse14) (or .cse0 .cse1 .cse2 (and .cse9 .cse5 .cse6) .cse7 (and .cse11 .cse5)) (or .cse1 .cse2 (and .cse12 .cse4 .cse15 .cse16 .cse10 .cse13) .cse3 (and .cse9 .cse4 .cse15 .cse16) .cse14)))) [2022-07-13 17:59:06,350 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-13 17:59:06,350 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-07-13 17:59:06,350 INFO L895 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse4 .cse9) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse9) (or .cse1 .cse2 .cse3 (and .cse5 .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse8))) [2022-07-13 17:59:06,350 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-07-13 17:59:06,350 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 97) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-07-13 17:59:06,351 INFO L895 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse16 (= 1 ~systemActive~0))) (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (let ((.cse17 (= ~waterLevel~0 0))) (or (and (not .cse17) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse17 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse14 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not .cse16)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse6 .cse7 .cse9) .cse11 .cse12 (and .cse6 .cse13 .cse7 .cse9) .cse14) (or .cse15 .cse11 .cse3 (and .cse10 .cse1 .cse16) (and .cse5 .cse1 .cse6 .cse16 .cse7 .cse8) .cse14) (or .cse0 .cse15 .cse11 .cse3 (and .cse1 .cse6 .cse16 .cse2)) (or .cse0 .cse12 (and .cse1 .cse2 .cse9) .cse4) (or (and .cse1 .cse6 .cse2 .cse9) .cse0 .cse15 .cse11 .cse12 (and .cse13 .cse2))))) [2022-07-13 17:59:06,351 INFO L895 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse7) (or .cse2 .cse6 .cse4 .cse7) (or .cse0 .cse3 .cse5))) [2022-07-13 17:59:06,351 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-13 17:59:06,352 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not .cse11)) (.cse1 (not .cse10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse7 .cse6) (or .cse0 .cse8 .cse9 .cse7) (or .cse8 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse10 .cse3 .cse11 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse9 .cse1 (and .cse12 .cse2 .cse10 .cse3 .cse11) .cse13) (or .cse9 .cse7 .cse13) (or .cse0 (and .cse12 .cse3 .cse4 .cse5) .cse8 .cse9 .cse1)))) [2022-07-13 17:59:06,352 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-07-13 17:59:06,352 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse6))) [2022-07-13 17:59:06,352 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-07-13 17:59:06,352 INFO L895 garLoopResultBuilder]: At program point L918-2(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or (and .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse1 .cse2 .cse3 .cse8) (or .cse2 .cse4 (and .cse6 .cse7) .cse8))) [2022-07-13 17:59:06,352 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse6))) [2022-07-13 17:59:06,353 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse6 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse7) (or .cse5 .cse2 .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse6 .cse7)))) [2022-07-13 17:59:06,353 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (let ((.cse8 (= ~waterLevel~0 0))) (or (and (not .cse8) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse8 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1)))))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse2 .cse6 .cse4 .cse5))) [2022-07-13 17:59:06,353 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2022-07-13 17:59:06,353 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-13 17:59:06,353 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse17 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse2 (and .cse8 .cse14 .cse15)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not .cse17)) (.cse11 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse12 (let ((.cse18 (= ~waterLevel~0 0))) (or (and (not .cse18) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse18 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse6 (not .cse16)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse3) (or (and .cse7 .cse8 .cse9) .cse5 .cse1 (and .cse10 .cse9) (and .cse11 .cse8 .cse9 .cse12) .cse13) (or .cse0 .cse4 .cse5 (and .cse7 .cse14 .cse15) .cse1 (and .cse10 .cse14)) (or .cse4 .cse5 (and .cse11 .cse8 .cse16 .cse17 .cse9 .cse12) .cse6 (and .cse7 .cse8 .cse16 .cse17) .cse13)))) [2022-07-13 17:59:06,353 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-07-13 17:59:06,353 INFO L895 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:06,354 INFO L895 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2022-07-13 17:59:06,354 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:06,354 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2022-07-13 17:59:06,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:06,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:06,354 INFO L895 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:06,354 INFO L895 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse4 .cse6) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse0 .cse7 .cse3 .cse4) (and .cse5 .cse7 .cse4 .cse6) (and .cse7 .cse2 .cse3 .cse4))) [2022-07-13 17:59:06,354 INFO L895 garLoopResultBuilder]: At program point L532(lines 528 534) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:06,355 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-07-13 17:59:06,355 INFO L899 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2022-07-13 17:59:06,355 INFO L895 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-07-13 17:59:06,355 INFO L895 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-13 17:59:06,355 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-13 17:59:06,355 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-07-13 17:59:06,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:06,355 INFO L899 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-07-13 17:59:06,356 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2022-07-13 17:59:06,356 INFO L899 garLoopResultBuilder]: For program point L496-2(lines 496 503) no Hoare annotation was computed. [2022-07-13 17:59:06,356 INFO L895 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:06,356 INFO L902 garLoopResultBuilder]: At program point L480(lines 472 482) the Hoare annotation is: true [2022-07-13 17:59:06,356 INFO L899 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2022-07-13 17:59:06,356 INFO L895 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:06,356 INFO L902 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2022-07-13 17:59:06,356 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2022-07-13 17:59:06,357 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-13 17:59:06,357 INFO L902 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2022-07-13 17:59:06,357 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2022-07-13 17:59:06,357 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2022-07-13 17:59:06,357 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-07-13 17:59:06,357 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse6 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7))) [2022-07-13 17:59:06,357 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-07-13 17:59:06,357 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-07-13 17:59:06,358 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse10 .cse11 .cse12 .cse9)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (and .cse10 .cse11 .cse8 .cse12 .cse9)) (.cse2 (not .cse9)) (.cse5 (not (= ~waterLevel~0 0))) (.cse3 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse4 .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse5 .cse3)))) [2022-07-13 17:59:06,358 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2022-07-13 17:59:06,358 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2022-07-13 17:59:06,358 INFO L895 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse12)) (.cse2 (not .cse11)) (.cse8 (and .cse5 (<= 2 ~waterLevel~0))) (.cse3 (and .cse10 .cse5 .cse11 .cse6 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (and .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse7 (and .cse10 .cse5) .cse9) (or .cse4 .cse0 .cse2 .cse8 .cse3)))) [2022-07-13 17:59:06,358 INFO L895 garLoopResultBuilder]: At program point L162(lines 157 164) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (<= 2 ~waterLevel~0) .cse5) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5))) [2022-07-13 17:59:06,358 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6) (or .cse0 .cse1 .cse2 .cse6))) [2022-07-13 17:59:06,358 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2022-07-13 17:59:06,358 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2022-07-13 17:59:06,359 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2022-07-13 17:59:06,359 INFO L895 garLoopResultBuilder]: At program point L173-2(lines 166 182) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~2#1|)) .cse4) (or .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse5 .cse6))) [2022-07-13 17:59:06,359 INFO L895 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0)) (.cse13 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse14 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) (.cse15 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0)))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (and .cse10 .cse9 .cse12 .cse13 .cse14 .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse12)) (.cse5 (not .cse11)) (.cse6 (and .cse10 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse8 (and .cse9 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse0 .cse2 .cse8 .cse3 .cse4) (or .cse7 .cse0 .cse5 .cse6 .cse8)))) [2022-07-13 17:59:06,359 INFO L895 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 (and .cse5 .cse6 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse3) (or .cse4 .cse0 .cse7 (and .cse5 .cse6)) (or .cse0 .cse1 .cse7))) [2022-07-13 17:59:06,359 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse6))) [2022-07-13 17:59:06,359 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-07-13 17:59:06,359 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-07-13 17:59:06,360 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-07-13 17:59:06,360 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2022-07-13 17:59:06,360 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5) (or .cse1 .cse6 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2022-07-13 17:59:06,362 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:06,364 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:06,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:06 BoogieIcfgContainer [2022-07-13 17:59:06,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:06,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:06,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:06,428 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:06,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:55" (3/4) ... [2022-07-13 17:59:06,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:59:06,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:06,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:06,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:06,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-13 17:59:06,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:06,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:06,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:06,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:06,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:06,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:06,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2022-07-13 17:59:06,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || (((\result == 0 && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || !(2 <= \old(waterLevel))) [2022-07-13 17:59:06,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && ((((((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1))) && tmp == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0)) || !(0 == systemActive))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-07-13 17:59:06,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || ((((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(methAndRunningLastTime == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-13 17:59:06,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) [2022-07-13 17:59:06,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-07-13 17:59:06,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-13 17:59:06,501 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:06,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:06,502 INFO L158 Benchmark]: Toolchain (without parser) took 12304.17ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 75.7MB in the beginning and 80.0MB in the end (delta: -4.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,502 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:06,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.45ms. Allocated memory is still 113.2MB. Free memory was 75.5MB in the beginning and 79.3MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.77ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 76.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,503 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 75.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,503 INFO L158 Benchmark]: RCFGBuilder took 418.56ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 57.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,504 INFO L158 Benchmark]: TraceAbstraction took 11327.12ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 56.9MB in the beginning and 86.3MB in the end (delta: -29.4MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,504 INFO L158 Benchmark]: Witness Printer took 73.74ms. Allocated memory is still 182.5MB. Free memory was 86.3MB in the beginning and 80.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:59:06,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.45ms. Allocated memory is still 113.2MB. Free memory was 75.5MB in the beginning and 79.3MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.77ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 76.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 75.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.56ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 57.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11327.12ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 56.9MB in the beginning and 86.3MB in the end (delta: -29.4MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Witness Printer took 73.74ms. Allocated memory is still 182.5MB. Free memory was 86.3MB in the beginning and 80.0MB 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: 54]: 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2239 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2207 mSDsluCounter, 3898 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2285 mSDsCounter, 760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2854 IncrementalHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 760 mSolverCounterUnsat, 1613 mSDtfsCounter, 2854 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 652 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1026occurred in iteration=8, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 368 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2706 PreInvPairs, 3025 NumberOfFragments, 3389 HoareAnnotationTreeSize, 2706 FomulaSimplifications, 3024 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 20106 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 2606 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1935 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 400/453 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: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || (((\result == 0 && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && ((((((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1))) && tmp == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0)) || !(0 == systemActive))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(methAndRunningLastTime == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || ((((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:06,546 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