./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:19,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:19,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:19,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:19,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:19,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:19,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:19,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:19,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:19,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:19,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:19,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:19,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:19,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:19,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:19,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:19,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:19,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:19,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:19,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:19,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:19,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:19,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:19,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:19,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:19,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:19,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:19,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:19,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:19,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:19,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:19,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:19,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:19,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:19,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:19,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:19,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:19,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:19,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:19,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:19,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:19,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:19,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:19,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:19,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:19,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:19,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:19,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:19,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:19,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:19,546 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:19,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:19,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:19,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:19,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:19,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:19,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:19,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:19,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:19,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:19,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:19,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:19,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:19,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:19,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:19,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:19,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:19,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:19,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:19,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:19,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:19,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2021-12-16 00:59:19,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:19,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:19,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:19,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:19,789 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:19,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-12-16 00:59:19,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41024c549/aaa3c4f4a223484497215057d46fc57b/FLAGb7175d6a3 [2021-12-16 00:59:20,298 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:20,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-12-16 00:59:20,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41024c549/aaa3c4f4a223484497215057d46fc57b/FLAGb7175d6a3 [2021-12-16 00:59:20,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41024c549/aaa3c4f4a223484497215057d46fc57b [2021-12-16 00:59:20,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:20,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:20,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:20,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:20,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:20,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:20" (1/1) ... [2021-12-16 00:59:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3520e365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:20, skipping insertion in model container [2021-12-16 00:59:20,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:20" (1/1) ... [2021-12-16 00:59:20,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:20,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:20,907 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_product56.cil.c[11292,11305] [2021-12-16 00:59:20,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:21,001 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:21,071 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_product56.cil.c[11292,11305] [2021-12-16 00:59:21,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:21,105 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:21,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21 WrapperNode [2021-12-16 00:59:21,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:21,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:21,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:21,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:21,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,181 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 285 [2021-12-16 00:59:21,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:21,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:21,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:21,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:21,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:21,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:21,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:21,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:21,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (1/1) ... [2021-12-16 00:59:21,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:21,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:21,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 00:59:21,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 00:59:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:21,409 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:21,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:21,755 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:21,761 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:21,761 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:21,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:21 BoogieIcfgContainer [2021-12-16 00:59:21,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:21,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:21,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:21,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:21,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:20" (1/3) ... [2021-12-16 00:59:21,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d0d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:21, skipping insertion in model container [2021-12-16 00:59:21,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:21" (2/3) ... [2021-12-16 00:59:21,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d0d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:21, skipping insertion in model container [2021-12-16 00:59:21,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:21" (3/3) ... [2021-12-16 00:59:21,777 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2021-12-16 00:59:21,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:21,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:21,848 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:21,857 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 00:59:21,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2021-12-16 00:59:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:21,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:21,912 INFO L514 BasicCegarLoop]: 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] [2021-12-16 00:59:21,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:21,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1548791886, now seen corresponding path program 1 times [2021-12-16 00:59:21,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:21,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011805026] [2021-12-16 00:59:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:21,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:22,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:22,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011805026] [2021-12-16 00:59:22,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011805026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:22,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:22,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:22,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013168198] [2021-12-16 00:59:22,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:22,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:22,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:22,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:22,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:22,182 INFO L87 Difference]: Start difference. First operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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) [2021-12-16 00:59:22,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:22,237 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2021-12-16 00:59:22,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:22,240 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 [2021-12-16 00:59:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:22,249 INFO L225 Difference]: With dead ends: 205 [2021-12-16 00:59:22,249 INFO L226 Difference]: Without dead ends: 98 [2021-12-16 00:59:22,254 INFO L932 BasicCegarLoop]: 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 [2021-12-16 00:59:22,259 INFO L933 BasicCegarLoop]: 137 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, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:22,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-16 00:59:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-12-16 00:59:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-16 00:59:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2021-12-16 00:59:22,323 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 25 [2021-12-16 00:59:22,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:22,323 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2021-12-16 00:59:22,324 INFO L471 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) [2021-12-16 00:59:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2021-12-16 00:59:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:22,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:22,330 INFO L514 BasicCegarLoop]: 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] [2021-12-16 00:59:22,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:22,332 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:22,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1194219528, now seen corresponding path program 1 times [2021-12-16 00:59:22,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:22,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904022438] [2021-12-16 00:59:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:22,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:22,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904022438] [2021-12-16 00:59:22,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904022438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:22,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:22,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:22,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118871218] [2021-12-16 00:59:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:22,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:22,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:22,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:22,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:22,460 INFO L87 Difference]: Start difference. First operand 98 states and 128 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) [2021-12-16 00:59:22,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:22,494 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2021-12-16 00:59:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:22,494 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 [2021-12-16 00:59:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:22,497 INFO L225 Difference]: With dead ends: 156 [2021-12-16 00:59:22,498 INFO L226 Difference]: Without dead ends: 89 [2021-12-16 00:59:22,503 INFO L932 BasicCegarLoop]: 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 [2021-12-16 00:59:22,505 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:22,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:22,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-12-16 00:59:22,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-16 00:59:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:59:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2021-12-16 00:59:22,521 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 26 [2021-12-16 00:59:22,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:22,522 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2021-12-16 00:59:22,523 INFO L471 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) [2021-12-16 00:59:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2021-12-16 00:59:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:22,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:22,528 INFO L514 BasicCegarLoop]: 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] [2021-12-16 00:59:22,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:22,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:22,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash -72231615, now seen corresponding path program 1 times [2021-12-16 00:59:22,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259184206] [2021-12-16 00:59:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:22,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:22,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:22,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259184206] [2021-12-16 00:59:22,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259184206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:22,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:22,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:22,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693282990] [2021-12-16 00:59:22,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:22,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:22,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:22,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:22,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:22,605 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-16 00:59:22,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:22,640 INFO L93 Difference]: Finished difference Result 249 states and 331 transitions. [2021-12-16 00:59:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:22,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2021-12-16 00:59:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:22,647 INFO L225 Difference]: With dead ends: 249 [2021-12-16 00:59:22,647 INFO L226 Difference]: Without dead ends: 168 [2021-12-16 00:59:22,648 INFO L932 BasicCegarLoop]: 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 [2021-12-16 00:59:22,654 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 108 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:22,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 245 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-16 00:59:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2021-12-16 00:59:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 120 states have (on average 1.3583333333333334) internal successors, (163), 139 states have internal predecessors, (163), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2021-12-16 00:59:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2021-12-16 00:59:22,686 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 31 [2021-12-16 00:59:22,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:22,687 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2021-12-16 00:59:22,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-16 00:59:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2021-12-16 00:59:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-16 00:59:22,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:22,689 INFO L514 BasicCegarLoop]: 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] [2021-12-16 00:59:22,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:22,690 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash 301498308, now seen corresponding path program 1 times [2021-12-16 00:59:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:22,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789153404] [2021-12-16 00:59:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:22,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:22,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:22,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789153404] [2021-12-16 00:59:22,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789153404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:22,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:22,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:22,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358437055] [2021-12-16 00:59:22,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:22,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:22,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:22,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:22,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:22,803 INFO L87 Difference]: Start difference. First operand 165 states and 219 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) [2021-12-16 00:59:22,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:22,937 INFO L93 Difference]: Finished difference Result 477 states and 642 transitions. [2021-12-16 00:59:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:22,938 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 [2021-12-16 00:59:22,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:22,942 INFO L225 Difference]: With dead ends: 477 [2021-12-16 00:59:22,942 INFO L226 Difference]: Without dead ends: 320 [2021-12-16 00:59:22,943 INFO L932 BasicCegarLoop]: 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 [2021-12-16 00:59:22,944 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 84 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:22,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 574 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:22,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-16 00:59:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2021-12-16 00:59:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 262 states have internal predecessors, (303), 56 states have call successors, (56), 32 states have call predecessors, (56), 32 states have return successors, (58), 34 states have call predecessors, (58), 56 states have call successors, (58) [2021-12-16 00:59:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 417 transitions. [2021-12-16 00:59:22,971 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 417 transitions. Word has length 34 [2021-12-16 00:59:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:22,972 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 417 transitions. [2021-12-16 00:59:22,972 INFO L471 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) [2021-12-16 00:59:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 417 transitions. [2021-12-16 00:59:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 00:59:22,973 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:22,974 INFO L514 BasicCegarLoop]: 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] [2021-12-16 00:59:22,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:22,974 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:22,975 INFO L85 PathProgramCache]: Analyzing trace with hash -393513024, now seen corresponding path program 1 times [2021-12-16 00:59:22,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:22,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566830956] [2021-12-16 00:59:22,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:22,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:23,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:23,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566830956] [2021-12-16 00:59:23,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566830956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:23,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:23,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:23,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696163367] [2021-12-16 00:59:23,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:23,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:23,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:23,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:23,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:23,037 INFO L87 Difference]: Start difference. First operand 314 states and 417 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) [2021-12-16 00:59:23,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:23,306 INFO L93 Difference]: Finished difference Result 810 states and 1102 transitions. [2021-12-16 00:59:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:23,307 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 [2021-12-16 00:59:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:23,310 INFO L225 Difference]: With dead ends: 810 [2021-12-16 00:59:23,310 INFO L226 Difference]: Without dead ends: 504 [2021-12-16 00:59:23,311 INFO L932 BasicCegarLoop]: 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 [2021-12-16 00:59:23,312 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 128 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:23,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 268 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2021-12-16 00:59:23,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 490. [2021-12-16 00:59:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 357 states have (on average 1.2913165266106443) internal successors, (461), 390 states have internal predecessors, (461), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (100), 62 states have call predecessors, (100), 72 states have call successors, (100) [2021-12-16 00:59:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 633 transitions. [2021-12-16 00:59:23,365 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 633 transitions. Word has length 38 [2021-12-16 00:59:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:23,368 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 633 transitions. [2021-12-16 00:59:23,368 INFO L471 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) [2021-12-16 00:59:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 633 transitions. [2021-12-16 00:59:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 00:59:23,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:23,372 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:23,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:23,373 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:23,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1948781245, now seen corresponding path program 1 times [2021-12-16 00:59:23,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176083685] [2021-12-16 00:59:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:23,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 00:59:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:23,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:23,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176083685] [2021-12-16 00:59:23,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176083685] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:23,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:23,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:23,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107782878] [2021-12-16 00:59:23,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:23,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:23,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:23,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:23,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:23,513 INFO L87 Difference]: Start difference. First operand 490 states and 633 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) [2021-12-16 00:59:23,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:23,801 INFO L93 Difference]: Finished difference Result 1096 states and 1433 transitions. [2021-12-16 00:59:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:59:23,801 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 54 [2021-12-16 00:59:23,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:23,808 INFO L225 Difference]: With dead ends: 1096 [2021-12-16 00:59:23,808 INFO L226 Difference]: Without dead ends: 614 [2021-12-16 00:59:23,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:23,810 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 139 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:23,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 281 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:23,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-12-16 00:59:23,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 600. [2021-12-16 00:59:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 439 states have (on average 1.255125284738041) internal successors, (551), 472 states have internal predecessors, (551), 80 states have call successors, (80), 60 states have call predecessors, (80), 80 states have return successors, (128), 86 states have call predecessors, (128), 80 states have call successors, (128) [2021-12-16 00:59:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 759 transitions. [2021-12-16 00:59:23,846 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 759 transitions. Word has length 54 [2021-12-16 00:59:23,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:23,846 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 759 transitions. [2021-12-16 00:59:23,847 INFO L471 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) [2021-12-16 00:59:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 759 transitions. [2021-12-16 00:59:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 00:59:23,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:23,848 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:23,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:59:23,848 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1526079419, now seen corresponding path program 1 times [2021-12-16 00:59:23,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:23,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753796455] [2021-12-16 00:59:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:23,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 00:59:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:23,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:23,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753796455] [2021-12-16 00:59:23,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753796455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:23,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:23,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:23,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667689257] [2021-12-16 00:59:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:23,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:23,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:23,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:23,920 INFO L87 Difference]: Start difference. First operand 600 states and 759 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), 2 states have call successors, (4) [2021-12-16 00:59:24,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:24,370 INFO L93 Difference]: Finished difference Result 1234 states and 1609 transitions. [2021-12-16 00:59:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:24,370 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), 2 states have call successors, (4) Word has length 54 [2021-12-16 00:59:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:24,374 INFO L225 Difference]: With dead ends: 1234 [2021-12-16 00:59:24,374 INFO L226 Difference]: Without dead ends: 642 [2021-12-16 00:59:24,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:24,377 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 349 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:24,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 314 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:24,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2021-12-16 00:59:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 608. [2021-12-16 00:59:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 447 states have (on average 1.250559284116331) internal successors, (559), 480 states have internal predecessors, (559), 80 states have call successors, (80), 60 states have call predecessors, (80), 80 states have return successors, (128), 86 states have call predecessors, (128), 80 states have call successors, (128) [2021-12-16 00:59:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 767 transitions. [2021-12-16 00:59:24,409 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 767 transitions. Word has length 54 [2021-12-16 00:59:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:24,409 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 767 transitions. [2021-12-16 00:59:24,409 INFO L471 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), 2 states have call successors, (4) [2021-12-16 00:59:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 767 transitions. [2021-12-16 00:59:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 00:59:24,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:24,411 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:24,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:59:24,412 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:24,412 INFO L85 PathProgramCache]: Analyzing trace with hash 963449543, now seen corresponding path program 1 times [2021-12-16 00:59:24,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:24,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949729257] [2021-12-16 00:59:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:24,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 00:59:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:24,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:24,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949729257] [2021-12-16 00:59:24,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949729257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:24,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:24,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:24,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437061314] [2021-12-16 00:59:24,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:24,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:24,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:24,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:24,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:24,482 INFO L87 Difference]: Start difference. First operand 608 states and 767 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) [2021-12-16 00:59:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:24,891 INFO L93 Difference]: Finished difference Result 1740 states and 2285 transitions. [2021-12-16 00:59:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 00:59:24,891 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 54 [2021-12-16 00:59:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:24,897 INFO L225 Difference]: With dead ends: 1740 [2021-12-16 00:59:24,898 INFO L226 Difference]: Without dead ends: 1140 [2021-12-16 00:59:24,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:24,901 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 356 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:24,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 302 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:24,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2021-12-16 00:59:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1128. [2021-12-16 00:59:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 831 states have (on average 1.2166064981949458) internal successors, (1011), 882 states have internal predecessors, (1011), 150 states have call successors, (150), 134 states have call predecessors, (150), 146 states have return successors, (264), 152 states have call predecessors, (264), 150 states have call successors, (264) [2021-12-16 00:59:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1425 transitions. [2021-12-16 00:59:24,969 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1425 transitions. Word has length 54 [2021-12-16 00:59:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:24,969 INFO L470 AbstractCegarLoop]: Abstraction has 1128 states and 1425 transitions. [2021-12-16 00:59:24,970 INFO L471 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) [2021-12-16 00:59:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1425 transitions. [2021-12-16 00:59:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-16 00:59:24,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:24,972 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:24,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:59:24,972 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:24,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:24,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1198586465, now seen corresponding path program 1 times [2021-12-16 00:59:24,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:24,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131178595] [2021-12-16 00:59:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:24,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 00:59:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:25,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:25,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131178595] [2021-12-16 00:59:25,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131178595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:25,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:25,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:25,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564402807] [2021-12-16 00:59:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:25,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:25,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:25,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:25,040 INFO L87 Difference]: Start difference. First operand 1128 states and 1425 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:25,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:25,518 INFO L93 Difference]: Finished difference Result 2206 states and 2949 transitions. [2021-12-16 00:59:25,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:25,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-16 00:59:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:25,531 INFO L225 Difference]: With dead ends: 2206 [2021-12-16 00:59:25,531 INFO L226 Difference]: Without dead ends: 2204 [2021-12-16 00:59:25,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:25,537 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 500 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:25,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [502 Valid, 229 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:25,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2021-12-16 00:59:25,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 1715. [2021-12-16 00:59:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1258 states have (on average 1.2217806041335453) internal successors, (1537), 1354 states have internal predecessors, (1537), 239 states have call successors, (239), 173 states have call predecessors, (239), 217 states have return successors, (504), 238 states have call predecessors, (504), 239 states have call successors, (504) [2021-12-16 00:59:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2280 transitions. [2021-12-16 00:59:25,656 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2280 transitions. Word has length 58 [2021-12-16 00:59:25,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:25,657 INFO L470 AbstractCegarLoop]: Abstraction has 1715 states and 2280 transitions. [2021-12-16 00:59:25,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 00:59:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2280 transitions. [2021-12-16 00:59:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-16 00:59:25,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:25,662 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:25,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 00:59:25,662 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash 187261637, now seen corresponding path program 1 times [2021-12-16 00:59:25,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:25,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158331318] [2021-12-16 00:59:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:59:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 00:59:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 00:59:25,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:25,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158331318] [2021-12-16 00:59:25,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158331318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:25,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:25,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 00:59:25,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420485434] [2021-12-16 00:59:25,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:25,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 00:59:25,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:25,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 00:59:25,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:25,761 INFO L87 Difference]: Start difference. First operand 1715 states and 2280 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-16 00:59:26,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:26,198 INFO L93 Difference]: Finished difference Result 2820 states and 3730 transitions. [2021-12-16 00:59:26,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 00:59:26,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 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 88 [2021-12-16 00:59:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:26,205 INFO L225 Difference]: With dead ends: 2820 [2021-12-16 00:59:26,205 INFO L226 Difference]: Without dead ends: 1113 [2021-12-16 00:59:26,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-12-16 00:59:26,211 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 330 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:26,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 330 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-12-16 00:59:26,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1062. [2021-12-16 00:59:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 785 states have (on average 1.2101910828025477) internal successors, (950), 846 states have internal predecessors, (950), 143 states have call successors, (143), 110 states have call predecessors, (143), 133 states have return successors, (278), 142 states have call predecessors, (278), 143 states have call successors, (278) [2021-12-16 00:59:26,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1371 transitions. [2021-12-16 00:59:26,274 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1371 transitions. Word has length 88 [2021-12-16 00:59:26,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:26,274 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1371 transitions. [2021-12-16 00:59:26,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-16 00:59:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1371 transitions. [2021-12-16 00:59:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-16 00:59:26,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:26,278 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-16 00:59:26,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 00:59:26,278 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:26,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:26,279 INFO L85 PathProgramCache]: Analyzing trace with hash -832622466, now seen corresponding path program 1 times [2021-12-16 00:59:26,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:26,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892126022] [2021-12-16 00:59:26,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:26,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:59:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 00:59:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 00:59:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-16 00:59:26,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:26,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892126022] [2021-12-16 00:59:26,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892126022] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:26,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081664353] [2021-12-16 00:59:26,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:26,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:26,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:26,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 00:59:26,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 00:59:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:26,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 00:59:26,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:26,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:26,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081664353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:26,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:26,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-12-16 00:59:26,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244885118] [2021-12-16 00:59:26,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:26,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:26,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:26,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:26,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:26,792 INFO L87 Difference]: Start difference. First operand 1062 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:26,850 INFO L93 Difference]: Finished difference Result 1830 states and 2407 transitions. [2021-12-16 00:59:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:26,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2021-12-16 00:59:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:26,856 INFO L225 Difference]: With dead ends: 1830 [2021-12-16 00:59:26,856 INFO L226 Difference]: Without dead ends: 950 [2021-12-16 00:59:26,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:26,860 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:26,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 233 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-12-16 00:59:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2021-12-16 00:59:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 702 states have (on average 1.1851851851851851) internal successors, (832), 758 states have internal predecessors, (832), 128 states have call successors, (128), 103 states have call predecessors, (128), 119 states have return successors, (189), 125 states have call predecessors, (189), 128 states have call successors, (189) [2021-12-16 00:59:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1149 transitions. [2021-12-16 00:59:26,906 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1149 transitions. Word has length 102 [2021-12-16 00:59:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:26,907 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1149 transitions. [2021-12-16 00:59:26,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1149 transitions. [2021-12-16 00:59:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-16 00:59:26,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:26,910 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-12-16 00:59:26,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:27,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-16 00:59:27,124 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1470383360, now seen corresponding path program 1 times [2021-12-16 00:59:27,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:27,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210503397] [2021-12-16 00:59:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:27,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 00:59:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 00:59:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 00:59:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 00:59:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 00:59:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-16 00:59:27,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:27,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210503397] [2021-12-16 00:59:27,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210503397] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:27,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961726228] [2021-12-16 00:59:27,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:27,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:27,284 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) [2021-12-16 00:59:27,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 00:59:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:27,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 00:59:27,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 00:59:27,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:27,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961726228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:27,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:27,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-16 00:59:27,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050364867] [2021-12-16 00:59:27,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:27,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:27,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:27,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:27,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-16 00:59:27,658 INFO L87 Difference]: Start difference. First operand 950 states and 1149 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 00:59:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:27,779 INFO L93 Difference]: Finished difference Result 1753 states and 2113 transitions. [2021-12-16 00:59:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:27,780 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-16 00:59:27,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:27,781 INFO L225 Difference]: With dead ends: 1753 [2021-12-16 00:59:27,781 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:27,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-12-16 00:59:27,785 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 53 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:27,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 1044 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 00:59:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:27,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2021-12-16 00:59:27,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:27,787 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:27,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-16 00:59:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:27,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:27,790 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:27,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:28,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-16 00:59:28,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:33,900 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 702 709) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse1 .cse2 .cse6 .cse3))) [2021-12-16 00:59:33,900 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2021-12-16 00:59:33,900 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2021-12-16 00:59:33,900 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 609 615) no Hoare annotation was computed. [2021-12-16 00:59:33,900 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 609 615) the Hoare annotation is: true [2021-12-16 00:59:33,900 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 459 470) no Hoare annotation was computed. [2021-12-16 00:59:33,900 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 459 470) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse3 .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse3 .cse7))) [2021-12-16 00:59:33,901 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 459 470) no Hoare annotation was computed. [2021-12-16 00:59:33,901 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 937 966) no Hoare annotation was computed. [2021-12-16 00:59:33,901 INFO L858 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2021-12-16 00:59:33,901 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 937 966) the Hoare annotation is: true [2021-12-16 00:59:33,901 INFO L858 garLoopResultBuilder]: For program point L951(lines 951 955) no Hoare annotation was computed. [2021-12-16 00:59:33,901 INFO L861 garLoopResultBuilder]: At program point L951-1(lines 951 955) the Hoare annotation is: true [2021-12-16 00:59:33,901 INFO L858 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2021-12-16 00:59:33,902 INFO L861 garLoopResultBuilder]: At program point L947-2(lines 947 961) the Hoare annotation is: true [2021-12-16 00:59:33,902 INFO L861 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: true [2021-12-16 00:59:33,902 INFO L858 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2021-12-16 00:59:33,902 INFO L861 garLoopResultBuilder]: At program point L962(lines 937 966) the Hoare annotation is: true [2021-12-16 00:59:33,902 INFO L854 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse3 .cse4 (and .cse7 (= ~methAndRunningLastTime~0 0) .cse8) .cse6) (or (and (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) .cse7 .cse8) .cse0 .cse4 .cse1 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-16 00:59:33,902 INFO L854 garLoopResultBuilder]: At program point L688-1(lines 669 693) the Hoare annotation is: (let ((.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (and (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) .cse9 .cse2)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not .cse13)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse4 .cse3 .cse8) (or .cse5 .cse1 .cse6) (or (and .cse9 .cse10 .cse11) .cse12 .cse0 .cse5 .cse1 .cse8) (or (and .cse9 .cse10 .cse11 (= ~methAndRunningLastTime~0 0)) .cse12 .cse0 .cse4 .cse5 .cse8) (or (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse0 .cse4 .cse3)))) [2021-12-16 00:59:33,903 INFO L854 garLoopResultBuilder]: At program point L717(lines 710 720) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse6 .cse4) (or .cse3 .cse7 .cse8) (or .cse7 .cse6 .cse8) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 (and .cse0 .cse1) .cse4) (or .cse2 .cse7 .cse6 .cse5) (or .cse2 .cse3 .cse7 .cse5))) [2021-12-16 00:59:33,903 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 588 607) no Hoare annotation was computed. [2021-12-16 00:59:33,903 INFO L854 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse5 (not (= ~systemActive~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse6 (and .cse0 .cse1 .cse9)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse9)) (.cse8 (not (= 1 ~systemActive~0))) (.cse7 (not .cse15)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse8 .cse2 .cse4 .cse9 .cse10) (or .cse11 .cse8 .cse7 .cse10 .cse12) (or (and .cse1 .cse13 .cse14) .cse6 .cse8 .cse3 .cse4 .cse12) (or (and .cse1 .cse13 .cse14 (= ~methAndRunningLastTime~0 0)) .cse6 .cse8 .cse7 .cse3 .cse12) (or (not (<= 2 |old(~waterLevel~0)|)) .cse11 .cse8 .cse7 .cse10)))) [2021-12-16 00:59:33,903 INFO L858 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2021-12-16 00:59:33,903 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 585 608) no Hoare annotation was computed. [2021-12-16 00:59:33,903 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-12-16 00:59:33,904 INFO L854 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (let ((.cse9 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse4 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse11)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2 .cse5) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse4 .cse2) (or .cse6 .cse1 .cse7) (or .cse0 .cse6 .cse1 .cse5) (or (and .cse8 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)) (and .cse9 .cse10 .cse8 .cse11) .cse0 .cse3 .cse6 .cse5) (or (and .cse9 .cse10 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse6 .cse7)))) [2021-12-16 00:59:33,904 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-12-16 00:59:33,904 INFO L854 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-16 00:59:33,904 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-12-16 00:59:33,904 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2021-12-16 00:59:33,904 INFO L854 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse2 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse7) (or .cse0 .cse4 .cse5 .cse7) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse7))) [2021-12-16 00:59:33,905 INFO L858 garLoopResultBuilder]: For program point L715-1(line 715) no Hoare annotation was computed. [2021-12-16 00:59:33,905 INFO L858 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2021-12-16 00:59:33,905 INFO L854 garLoopResultBuilder]: At program point L554-1(lines 546 574) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse18 (= 1 ~systemActive~0)) (.cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse1 .cse2 .cse5 .cse10)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse18)) (.cse14 (and (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse5 .cse17 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse18)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse2 .cse11 .cse5)) (.cse13 (not .cse17)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= ~systemActive~0 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 (and .cse1 .cse5 .cse10) (and .cse1 .cse11 .cse5) .cse7 .cse12) (or .cse0 .cse13 .cse14 .cse12 .cse9) (or .cse6 .cse7 .cse8 .cse15) (or .cse16 (and .cse2 .cse3 .cse4) .cse0 .cse13 .cse6 .cse9) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse13 .cse14 .cse12) (or .cse16 .cse13 .cse6 .cse15)))) [2021-12-16 00:59:33,905 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-12-16 00:59:33,905 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 435 446) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse2 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse4 .cse1 .cse3) (or .cse0 .cse5 .cse2 .cse7) (or .cse0 .cse4 .cse5 .cse7) (or .cse0 .cse4 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse7))) [2021-12-16 00:59:33,905 INFO L858 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2021-12-16 00:59:33,906 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 585 608) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse0 (and .cse5 .cse4 .cse8)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse13 (and .cse4 .cse9 .cse6)) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse1 .cse3) (or (and .cse4 .cse8 .cse9) .cse10 .cse7 .cse11 .cse12) (or .cse0 .cse10 .cse2 .cse11) (or .cse10 .cse7 .cse1 .cse13 .cse12) (or (not (<= 2 |old(~waterLevel~0)|)) .cse10 .cse7 (and .cse4 .cse5 .cse8) .cse11) (or .cse10 .cse1 .cse2 .cse13 .cse12)))) [2021-12-16 00:59:33,906 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2021-12-16 00:59:33,906 INFO L854 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse6) (or .cse4 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse2))) [2021-12-16 00:59:33,906 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 585 608) no Hoare annotation was computed. [2021-12-16 00:59:33,906 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-12-16 00:59:33,907 INFO L854 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse2 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse3 .cse4 (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2) .cse5 .cse6) (or .cse3 .cse1 .cse7 .cse5) (or .cse4 .cse8 .cse9) (or .cse8 .cse7 .cse9) (or .cse3 .cse8 .cse7 .cse6) (or .cse3 .cse4 .cse8 .cse6))) [2021-12-16 00:59:33,907 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 471 479) the Hoare annotation is: true [2021-12-16 00:59:33,907 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 471 479) no Hoare annotation was computed. [2021-12-16 00:59:33,907 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 471 479) no Hoare annotation was computed. [2021-12-16 00:59:33,907 INFO L854 garLoopResultBuilder]: At program point L543(lines 538 545) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:33,907 INFO L854 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:33,907 INFO L854 garLoopResultBuilder]: At program point L923(lines 919 925) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:33,908 INFO L854 garLoopResultBuilder]: At program point L824(lines 819 826) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:33,908 INFO L854 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:33,908 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-12-16 00:59:33,908 INFO L858 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2021-12-16 00:59:33,908 INFO L854 garLoopResultBuilder]: At program point L816(lines 804 818) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2))) [2021-12-16 00:59:33,908 INFO L861 garLoopResultBuilder]: At program point L1006(lines 998 1008) the Hoare annotation is: true [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L808-1(lines 808 814) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2021-12-16 00:59:33,909 INFO L858 garLoopResultBuilder]: For program point L1019-2(lines 1019 1026) no Hoare annotation was computed. [2021-12-16 00:59:33,910 INFO L854 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:33,910 INFO L861 garLoopResultBuilder]: At program point L1028(lines 1009 1031) the Hoare annotation is: true [2021-12-16 00:59:33,910 INFO L854 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:33,910 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:33,910 INFO L861 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2021-12-16 00:59:33,910 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-12-16 00:59:33,910 INFO L858 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2021-12-16 00:59:33,911 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:33,911 INFO L854 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse2 (= ~methAndRunningLastTime~0 0) .cse5 .cse6))) [2021-12-16 00:59:33,911 INFO L854 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-12-16 00:59:33,911 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-12-16 00:59:33,911 INFO L854 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~systemActive~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse5) (and .cse0 .cse7 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse5))) [2021-12-16 00:59:33,911 INFO L858 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-12-16 00:59:33,912 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-12-16 00:59:33,912 INFO L854 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:33,912 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 617 641) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:33,912 INFO L854 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,912 INFO L858 garLoopResultBuilder]: For program point L636-1(lines 617 641) no Hoare annotation was computed. [2021-12-16 00:59:33,912 INFO L854 garLoopResultBuilder]: At program point L781(lines 766 784) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse5)) (.cse2 (and (<= 2 ~waterLevel~0) .cse5)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse3 .cse0 .cse4 .cse1) (or .cse3 .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2021-12-16 00:59:33,913 INFO L854 garLoopResultBuilder]: At program point L521(lines 512 525) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse5)) (.cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse5)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse4 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse4)))) [2021-12-16 00:59:33,913 INFO L858 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2021-12-16 00:59:33,913 INFO L858 garLoopResultBuilder]: For program point L775-2(lines 775 779) no Hoare annotation was computed. [2021-12-16 00:59:33,913 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 617 641) no Hoare annotation was computed. [2021-12-16 00:59:33,913 INFO L854 garLoopResultBuilder]: At program point L699(lines 694 701) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse3 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,913 INFO L854 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse1))) [2021-12-16 00:59:33,913 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2021-12-16 00:59:33,914 INFO L858 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2021-12-16 00:59:33,914 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-12-16 00:59:33,914 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 447 458) no Hoare annotation was computed. [2021-12-16 00:59:33,914 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 447 458) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse0 .cse3 .cse5 .cse6) (or .cse4 .cse1 .cse3 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse5 .cse6))) [2021-12-16 00:59:33,914 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 447 458) no Hoare annotation was computed. [2021-12-16 00:59:33,914 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 643 667) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:33,915 INFO L854 garLoopResultBuilder]: At program point L531(lines 526 534) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,915 INFO L854 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,915 INFO L854 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,915 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 659) no Hoare annotation was computed. [2021-12-16 00:59:33,915 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 664) no Hoare annotation was computed. [2021-12-16 00:59:33,915 INFO L854 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-16 00:59:33,915 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 643 667) no Hoare annotation was computed. [2021-12-16 00:59:33,916 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-12-16 00:59:33,916 INFO L858 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2021-12-16 00:59:33,916 INFO L854 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-16 00:59:33,916 INFO L858 garLoopResultBuilder]: For program point L662-1(lines 643 667) no Hoare annotation was computed. [2021-12-16 00:59:33,919 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:33,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:33,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:33 BoogieIcfgContainer [2021-12-16 00:59:33,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:33,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:33,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:33,949 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:33,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:21" (3/4) ... [2021-12-16 00:59:33,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:33,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:33,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:33,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:33,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-16 00:59:33,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:33,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:33,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:33,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:33,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:33,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:33,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:33,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:33,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || ((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(1 == systemActive) || ((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-16 00:59:33,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:33,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-16 00:59:33,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:33,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-16 00:59:33,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:33,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:33,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:33,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-16 00:59:34,017 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:34,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:34,018 INFO L158 Benchmark]: Toolchain (without parser) took 13358.67ms. Allocated memory was 88.1MB in the beginning and 209.7MB in the end (delta: 121.6MB). Free memory was 49.5MB in the beginning and 62.9MB in the end (delta: -13.4MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,018 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:34,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.63ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 56.3MB in the end (delta: -7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.69ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,019 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 51.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,020 INFO L158 Benchmark]: RCFGBuilder took 535.30ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 34.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,020 INFO L158 Benchmark]: TraceAbstraction took 12179.35ms. Allocated memory was 88.1MB in the beginning and 209.7MB in the end (delta: 121.6MB). Free memory was 34.1MB in the beginning and 70.3MB in the end (delta: -36.2MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,020 INFO L158 Benchmark]: Witness Printer took 69.57ms. Allocated memory is still 209.7MB. Free memory was 70.3MB in the beginning and 62.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 00:59:34,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.63ms. Allocated memory is still 88.1MB. Free memory was 49.3MB in the beginning and 56.3MB in the end (delta: -7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.69ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 51.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.30ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 34.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12179.35ms. Allocated memory was 88.1MB in the beginning and 209.7MB in the end (delta: 121.6MB). Free memory was 34.1MB in the beginning and 70.3MB in the end (delta: -36.2MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. * Witness Printer took 69.57ms. Allocated memory is still 209.7MB. Free memory was 70.3MB in the beginning and 62.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 420]: 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 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2154 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2117 mSDsluCounter, 4165 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2560 mSDsCounter, 811 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2089 IncrementalHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 811 mSolverCounterUnsat, 1605 mSDtfsCounter, 2089 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1715occurred in iteration=9, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 623 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 3199 PreInvPairs, 3447 NumberOfFragments, 3451 HoareAnnotationTreeSize, 3199 FomulaSimplifications, 2505 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 23111 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 890 NumberOfCodeBlocks, 890 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 876 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 169/180 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: 694]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && pumpRunning == 0) || (((splverifierCounter == 0 && systemActive == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && (((((2 <= waterLevel && pumpRunning == 0) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && \result == 0) && 1 <= \result) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((((((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((2 <= waterLevel && pumpRunning == 0) || (1 <= \result && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) && (((!(1 == systemActive) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || ((((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(1 == systemActive) || ((tmp == 0 && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((tmp == 0 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(systemActive == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning)))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && methAndRunningLastTime == 0) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:34,082 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