./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product39.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 df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:16:46,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:16:46,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:16:46,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:16:46,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:16:46,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:16:46,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:16:46,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:16:46,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:16:46,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:16:46,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:16:46,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:16:46,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:16:46,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:16:46,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:16:46,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:16:46,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:16:46,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:16:46,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:16:46,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:16:46,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:16:46,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:16:46,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:16:46,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:16:46,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:16:46,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:16:46,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:16:46,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:16:46,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:16:46,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:16:46,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:16:46,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:16:46,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:16:46,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:16:46,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:16:46,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:16:46,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:16:46,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:16:46,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:16:46,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:16:46,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:16:46,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:16:46,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:16:46,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:16:46,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:16:46,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:16:46,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:16:46,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:16:46,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:16:46,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:16:46,128 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:16:46,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:16:46,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:16:46,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:16:46,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:16:46,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:16:46,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:16:46,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:16:46,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:16:46,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:16:46,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:16:46,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:46,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:16:46,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:16:46,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:16:46,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:16:46,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2021-12-21 13:16:46,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:16:46,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:16:46,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:16:46,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:16:46,326 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:16:46,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-12-21 13:16:46,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a55cfabb/6a4a0694faac4ee19fe09b45e6f23073/FLAG2914cf878 [2021-12-21 13:16:46,781 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:16:46,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-12-21 13:16:46,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a55cfabb/6a4a0694faac4ee19fe09b45e6f23073/FLAG2914cf878 [2021-12-21 13:16:46,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a55cfabb/6a4a0694faac4ee19fe09b45e6f23073 [2021-12-21 13:16:46,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:16:46,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:16:46,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:46,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:16:46,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:16:46,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:46" (1/1) ... [2021-12-21 13:16:46,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afd2d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:46, skipping insertion in model container [2021-12-21 13:16:46,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:46" (1/1) ... [2021-12-21 13:16:46,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:16:46,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:16:46,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-12-21 13:16:47,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:47,062 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:16:47,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-12-21 13:16:47,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:47,165 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:16:47,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47 WrapperNode [2021-12-21 13:16:47,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:47,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:47,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:16:47,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:16:47,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,211 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 259 [2021-12-21 13:16:47,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:47,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:16:47,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:16:47,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:16:47,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:16:47,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:16:47,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:16:47,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:16:47,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (1/1) ... [2021-12-21 13:16:47,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:47,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 13:16:47,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 13:16:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:16:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:16:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:16:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:16:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:16:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:16:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:16:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:16:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:16:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:16:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:16:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-21 13:16:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-21 13:16:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:16:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:16:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:16:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:16:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:16:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:16:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:16:47,364 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:16:47,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:16:47,571 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:16:47,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:16:47,577 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:16:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:47 BoogieIcfgContainer [2021-12-21 13:16:47,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:16:47,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:16:47,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:16:47,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:16:47,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:16:46" (1/3) ... [2021-12-21 13:16:47,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d703adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:47, skipping insertion in model container [2021-12-21 13:16:47,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:47" (2/3) ... [2021-12-21 13:16:47,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d703adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:47, skipping insertion in model container [2021-12-21 13:16:47,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:47" (3/3) ... [2021-12-21 13:16:47,584 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2021-12-21 13:16:47,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:16:47,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:16:47,634 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:16:47,639 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:16:47,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:16:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:16:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:16:47,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:47,659 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:47,660 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1244587252, now seen corresponding path program 1 times [2021-12-21 13:16:47,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:47,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150870030] [2021-12-21 13:16:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:47,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:16:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:47,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:47,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150870030] [2021-12-21 13:16:47,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150870030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:47,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:47,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:16:47,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87503879] [2021-12-21 13:16:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:47,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:16:47,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:47,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:16:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:47,908 INFO L87 Difference]: Start difference. First operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:47,940 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2021-12-21 13:16:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:16:47,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-21 13:16:47,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:47,947 INFO L225 Difference]: With dead ends: 185 [2021-12-21 13:16:47,954 INFO L226 Difference]: Without dead ends: 88 [2021-12-21 13:16:47,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:47,963 INFO L933 BasicCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:47,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:47,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-21 13:16:47,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-21 13:16:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 74 states have internal predecessors, (86), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-21 13:16:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2021-12-21 13:16:47,994 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2021-12-21 13:16:47,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:47,994 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2021-12-21 13:16:47,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-12-21 13:16:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-21 13:16:47,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:47,997 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:47,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:16:47,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:47,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1577409017, now seen corresponding path program 1 times [2021-12-21 13:16:47,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:47,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854351668] [2021-12-21 13:16:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:47,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:16:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:16:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:48,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854351668] [2021-12-21 13:16:48,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854351668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:48,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641252096] [2021-12-21 13:16:48,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:48,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:48,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:48,058 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,069 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2021-12-21 13:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:48,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-21 13:16:48,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,071 INFO L225 Difference]: With dead ends: 137 [2021-12-21 13:16:48,071 INFO L226 Difference]: Without dead ends: 79 [2021-12-21 13:16:48,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:48,073 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-21 13:16:48,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-21 13:16:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 68 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-21 13:16:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-21 13:16:48,081 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2021-12-21 13:16:48,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,081 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-21 13:16:48,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-21 13:16:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-21 13:16:48,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,082 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:16:48,083 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1563484802, now seen corresponding path program 1 times [2021-12-21 13:16:48,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844181315] [2021-12-21 13:16:48,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:16:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:48,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844181315] [2021-12-21 13:16:48,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844181315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:48,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907996154] [2021-12-21 13:16:48,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:48,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:48,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:48,160 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,183 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2021-12-21 13:16:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:48,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-21 13:16:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,185 INFO L225 Difference]: With dead ends: 220 [2021-12-21 13:16:48,185 INFO L226 Difference]: Without dead ends: 149 [2021-12-21 13:16:48,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:48,187 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 76 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 214 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-12-21 13:16:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2021-12-21 13:16:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 124 states have internal predecessors, (146), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-21 13:16:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2021-12-21 13:16:48,202 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 37 [2021-12-21 13:16:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,202 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2021-12-21 13:16:48,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2021-12-21 13:16:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-21 13:16:48,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,204 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:16:48,205 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash 209384056, now seen corresponding path program 1 times [2021-12-21 13:16:48,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017839433] [2021-12-21 13:16:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:16:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:16:48,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017839433] [2021-12-21 13:16:48,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017839433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:48,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665787166] [2021-12-21 13:16:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:48,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:48,278 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,372 INFO L93 Difference]: Finished difference Result 386 states and 515 transitions. [2021-12-21 13:16:48,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:16:48,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-21 13:16:48,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,375 INFO L225 Difference]: With dead ends: 386 [2021-12-21 13:16:48,376 INFO L226 Difference]: Without dead ends: 248 [2021-12-21 13:16:48,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:16:48,379 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 49 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 483 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-12-21 13:16:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 235. [2021-12-21 13:16:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 176 states have (on average 1.2954545454545454) internal successors, (228), 191 states have internal predecessors, (228), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2021-12-21 13:16:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 300 transitions. [2021-12-21 13:16:48,412 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 300 transitions. Word has length 41 [2021-12-21 13:16:48,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,413 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 300 transitions. [2021-12-21 13:16:48,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2021-12-21 13:16:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-21 13:16:48,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,415 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:16:48,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1528927009, now seen corresponding path program 1 times [2021-12-21 13:16:48,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366762749] [2021-12-21 13:16:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 13:16:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:48,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366762749] [2021-12-21 13:16:48,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366762749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:48,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950490412] [2021-12-21 13:16:48,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:48,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:48,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:48,514 INFO L87 Difference]: Start difference. First operand 235 states and 300 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,662 INFO L93 Difference]: Finished difference Result 522 states and 677 transitions. [2021-12-21 13:16:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:16:48,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-21 13:16:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,664 INFO L225 Difference]: With dead ends: 522 [2021-12-21 13:16:48,664 INFO L226 Difference]: Without dead ends: 295 [2021-12-21 13:16:48,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:16:48,666 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 65 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 394 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:48,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-12-21 13:16:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 287. [2021-12-21 13:16:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 218 states have (on average 1.275229357798165) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2021-12-21 13:16:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 364 transitions. [2021-12-21 13:16:48,693 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 364 transitions. Word has length 51 [2021-12-21 13:16:48,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,693 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 364 transitions. [2021-12-21 13:16:48,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 364 transitions. [2021-12-21 13:16:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-21 13:16:48,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,695 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:16:48,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1077096545, now seen corresponding path program 1 times [2021-12-21 13:16:48,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695351942] [2021-12-21 13:16:48,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 13:16:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:48,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695351942] [2021-12-21 13:16:48,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695351942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:48,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032996921] [2021-12-21 13:16:48,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:48,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:48,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:48,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:48,791 INFO L87 Difference]: Start difference. First operand 287 states and 364 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 13:16:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:48,974 INFO L93 Difference]: Finished difference Result 596 states and 773 transitions. [2021-12-21 13:16:48,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:16:48,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2021-12-21 13:16:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:48,977 INFO L225 Difference]: With dead ends: 596 [2021-12-21 13:16:48,977 INFO L226 Difference]: Without dead ends: 317 [2021-12-21 13:16:48,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:16:48,979 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 213 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:48,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 452 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:48,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-12-21 13:16:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 291. [2021-12-21 13:16:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 237 states have internal predecessors, (282), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2021-12-21 13:16:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2021-12-21 13:16:48,993 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 51 [2021-12-21 13:16:48,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:48,993 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2021-12-21 13:16:48,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 13:16:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2021-12-21 13:16:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-21 13:16:48,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,995 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:16:48,996 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1499798371, now seen corresponding path program 1 times [2021-12-21 13:16:48,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97426678] [2021-12-21 13:16:48,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 13:16:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97426678] [2021-12-21 13:16:49,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97426678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:16:49,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843710806] [2021-12-21 13:16:49,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:16:49,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:16:49,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:49,079 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,275 INFO L93 Difference]: Finished difference Result 846 states and 1109 transitions. [2021-12-21 13:16:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:16:49,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-21 13:16:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,279 INFO L225 Difference]: With dead ends: 846 [2021-12-21 13:16:49,280 INFO L226 Difference]: Without dead ends: 563 [2021-12-21 13:16:49,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:16:49,285 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 219 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:49,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 338 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:16:49,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-12-21 13:16:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 556. [2021-12-21 13:16:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 421 states have (on average 1.2351543942992873) internal successors, (520), 445 states have internal predecessors, (520), 73 states have call successors, (73), 59 states have call predecessors, (73), 61 states have return successors, (111), 72 states have call predecessors, (111), 73 states have call successors, (111) [2021-12-21 13:16:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 704 transitions. [2021-12-21 13:16:49,328 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 704 transitions. Word has length 51 [2021-12-21 13:16:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,330 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 704 transitions. [2021-12-21 13:16:49,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 704 transitions. [2021-12-21 13:16:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-21 13:16:49,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,335 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:16:49,335 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash -85847159, now seen corresponding path program 1 times [2021-12-21 13:16:49,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074966790] [2021-12-21 13:16:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:16:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 13:16:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074966790] [2021-12-21 13:16:49,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074966790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 13:16:49,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382563168] [2021-12-21 13:16:49,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 13:16:49,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 13:16:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:16:49,485 INFO L87 Difference]: Start difference. First operand 556 states and 704 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:16:50,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:50,173 INFO L93 Difference]: Finished difference Result 1787 states and 2374 transitions. [2021-12-21 13:16:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-21 13:16:50,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2021-12-21 13:16:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:50,179 INFO L225 Difference]: With dead ends: 1787 [2021-12-21 13:16:50,179 INFO L226 Difference]: Without dead ends: 1342 [2021-12-21 13:16:50,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2021-12-21 13:16:50,183 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 519 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:50,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 943 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 13:16:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2021-12-21 13:16:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1083. [2021-12-21 13:16:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 820 states have (on average 1.2317073170731707) internal successors, (1010), 873 states have internal predecessors, (1010), 142 states have call successors, (142), 104 states have call predecessors, (142), 120 states have return successors, (220), 140 states have call predecessors, (220), 142 states have call successors, (220) [2021-12-21 13:16:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1372 transitions. [2021-12-21 13:16:50,238 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1372 transitions. Word has length 55 [2021-12-21 13:16:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:50,240 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1372 transitions. [2021-12-21 13:16:50,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:16:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1372 transitions. [2021-12-21 13:16:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-21 13:16:50,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:50,242 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-21 13:16:50,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:16:50,243 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:50,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:50,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1602781584, now seen corresponding path program 1 times [2021-12-21 13:16:50,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:50,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366541360] [2021-12-21 13:16:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:16:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:16:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:16:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-21 13:16:50,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366541360] [2021-12-21 13:16:50,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366541360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:50,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:50,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:16:50,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162168008] [2021-12-21 13:16:50,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:50,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:16:50,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:16:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:16:50,331 INFO L87 Difference]: Start difference. First operand 1083 states and 1372 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 13:16:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:50,531 INFO L93 Difference]: Finished difference Result 1319 states and 1661 transitions. [2021-12-21 13:16:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:16:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 85 [2021-12-21 13:16:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:50,534 INFO L225 Difference]: With dead ends: 1319 [2021-12-21 13:16:50,534 INFO L226 Difference]: Without dead ends: 556 [2021-12-21 13:16:50,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-12-21 13:16:50,536 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 304 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:50,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 362 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:50,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-12-21 13:16:50,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 530. [2021-12-21 13:16:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 402 states have (on average 1.1965174129353233) internal successors, (481), 426 states have internal predecessors, (481), 68 states have call successors, (68), 51 states have call predecessors, (68), 59 states have return successors, (107), 68 states have call predecessors, (107), 68 states have call successors, (107) [2021-12-21 13:16:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 656 transitions. [2021-12-21 13:16:50,557 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 656 transitions. Word has length 85 [2021-12-21 13:16:50,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:50,557 INFO L470 AbstractCegarLoop]: Abstraction has 530 states and 656 transitions. [2021-12-21 13:16:50,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 13:16:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 656 transitions. [2021-12-21 13:16:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 13:16:50,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:50,559 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:50,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:16:50,559 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:50,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1627346287, now seen corresponding path program 1 times [2021-12-21 13:16:50,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:50,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969441319] [2021-12-21 13:16:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:16:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:16:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 13:16:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 13:16:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:16:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 13:16:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 13:16:50,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:50,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969441319] [2021-12-21 13:16:50,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969441319] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:16:50,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333667834] [2021-12-21 13:16:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:50,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:50,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:16:50,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:16:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:16:50,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:16:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:16:50,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:16:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 13:16:51,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333667834] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:16:51,202 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:16:51,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-21 13:16:51,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325673883] [2021-12-21 13:16:51,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:16:51,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 13:16:51,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:51,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 13:16:51,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:16:51,204 INFO L87 Difference]: Start difference. First operand 530 states and 656 transitions. Second operand has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-21 13:16:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:51,856 INFO L93 Difference]: Finished difference Result 1137 states and 1441 transitions. [2021-12-21 13:16:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-21 13:16:51,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 94 [2021-12-21 13:16:51,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:51,859 INFO L225 Difference]: With dead ends: 1137 [2021-12-21 13:16:51,860 INFO L226 Difference]: Without dead ends: 663 [2021-12-21 13:16:51,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2021-12-21 13:16:51,862 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 457 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:51,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [460 Valid, 834 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:16:51,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2021-12-21 13:16:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 591. [2021-12-21 13:16:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 442 states have (on average 1.1787330316742082) internal successors, (521), 474 states have internal predecessors, (521), 78 states have call successors, (78), 65 states have call predecessors, (78), 70 states have return successors, (103), 73 states have call predecessors, (103), 78 states have call successors, (103) [2021-12-21 13:16:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 702 transitions. [2021-12-21 13:16:51,889 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 702 transitions. Word has length 94 [2021-12-21 13:16:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:51,889 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 702 transitions. [2021-12-21 13:16:51,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-21 13:16:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 702 transitions. [2021-12-21 13:16:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-21 13:16:51,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:51,898 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:51,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:16:52,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 13:16:52,111 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash -429186901, now seen corresponding path program 1 times [2021-12-21 13:16:52,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312532328] [2021-12-21 13:16:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:52,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:16:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:16:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:16:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:16:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 13:16:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 13:16:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 13:16:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 13:16:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-21 13:16:52,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312532328] [2021-12-21 13:16:52,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312532328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:52,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:52,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 13:16:52,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22675236] [2021-12-21 13:16:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:52,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 13:16:52,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 13:16:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:16:52,237 INFO L87 Difference]: Start difference. First operand 591 states and 702 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2021-12-21 13:16:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:52,704 INFO L93 Difference]: Finished difference Result 1686 states and 2029 transitions. [2021-12-21 13:16:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-21 13:16:52,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 167 [2021-12-21 13:16:52,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:52,709 INFO L225 Difference]: With dead ends: 1686 [2021-12-21 13:16:52,709 INFO L226 Difference]: Without dead ends: 1103 [2021-12-21 13:16:52,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2021-12-21 13:16:52,711 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 494 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:52,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 664 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 13:16:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2021-12-21 13:16:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1101. [2021-12-21 13:16:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 824 states have (on average 1.145631067961165) internal successors, (944), 879 states have internal predecessors, (944), 146 states have call successors, (146), 124 states have call predecessors, (146), 130 states have return successors, (189), 133 states have call predecessors, (189), 146 states have call successors, (189) [2021-12-21 13:16:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1279 transitions. [2021-12-21 13:16:52,759 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1279 transitions. Word has length 167 [2021-12-21 13:16:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:52,759 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1279 transitions. [2021-12-21 13:16:52,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2021-12-21 13:16:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1279 transitions. [2021-12-21 13:16:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-21 13:16:52,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:52,765 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:52,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 13:16:52,766 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:52,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash 90563315, now seen corresponding path program 1 times [2021-12-21 13:16:52,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:52,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391752577] [2021-12-21 13:16:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:52,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:16:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 13:16:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:16:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:16:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 13:16:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:16:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 13:16:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 13:16:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 84 proven. 10 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-12-21 13:16:52,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:52,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391752577] [2021-12-21 13:16:52,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391752577] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:16:52,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429577224] [2021-12-21 13:16:52,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:52,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:52,881 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) [2021-12-21 13:16:52,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:16:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:52,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 13:16:52,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:16:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-21 13:16:53,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:16:53,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429577224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:53,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:16:53,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-21 13:16:53,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587312809] [2021-12-21 13:16:53,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:53,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:53,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:53,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:53,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:16:53,315 INFO L87 Difference]: Start difference. First operand 1101 states and 1279 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 13:16:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:53,414 INFO L93 Difference]: Finished difference Result 2020 states and 2353 transitions. [2021-12-21 13:16:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:16:53,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 175 [2021-12-21 13:16:53,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:53,418 INFO L225 Difference]: With dead ends: 2020 [2021-12-21 13:16:53,418 INFO L226 Difference]: Without dead ends: 1023 [2021-12-21 13:16:53,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:16:53,421 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 62 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:53,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 495 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2021-12-21 13:16:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1008. [2021-12-21 13:16:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 760 states have (on average 1.138157894736842) internal successors, (865), 806 states have internal predecessors, (865), 131 states have call successors, (131), 113 states have call predecessors, (131), 116 states have return successors, (167), 119 states have call predecessors, (167), 131 states have call successors, (167) [2021-12-21 13:16:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1163 transitions. [2021-12-21 13:16:53,459 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1163 transitions. Word has length 175 [2021-12-21 13:16:53,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:53,459 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1163 transitions. [2021-12-21 13:16:53,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 13:16:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1163 transitions. [2021-12-21 13:16:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-21 13:16:53,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:53,462 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:53,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-21 13:16:53,675 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 [2021-12-21 13:16:53,675 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:53,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:53,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2106216135, now seen corresponding path program 1 times [2021-12-21 13:16:53,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:53,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817686403] [2021-12-21 13:16:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:53,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:16:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:16:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:16:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:16:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 13:16:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:16:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:16:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:16:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 13:16:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 13:16:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 66 proven. 5 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-21 13:16:53,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:53,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817686403] [2021-12-21 13:16:53,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817686403] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:16:53,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941661692] [2021-12-21 13:16:53,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:53,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:53,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:53,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:16:53,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 13:16:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:53,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-21 13:16:53,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:16:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 134 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-21 13:16:54,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:16:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-21 13:16:54,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941661692] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:16:54,651 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:16:54,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2021-12-21 13:16:54,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604564002] [2021-12-21 13:16:54,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:16:54,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-21 13:16:54,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-21 13:16:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2021-12-21 13:16:54,653 INFO L87 Difference]: Start difference. First operand 1008 states and 1163 transitions. Second operand has 26 states, 26 states have (on average 8.076923076923077) internal successors, (210), 21 states have internal predecessors, (210), 9 states have call successors, (33), 10 states have call predecessors, (33), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2021-12-21 13:16:55,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:55,673 INFO L93 Difference]: Finished difference Result 2117 states and 2508 transitions. [2021-12-21 13:16:55,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-21 13:16:55,673 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.076923076923077) internal successors, (210), 21 states have internal predecessors, (210), 9 states have call successors, (33), 10 states have call predecessors, (33), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) Word has length 171 [2021-12-21 13:16:55,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:55,674 INFO L225 Difference]: With dead ends: 2117 [2021-12-21 13:16:55,674 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:16:55,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 363 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2021-12-21 13:16:55,678 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 805 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:55,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [808 Valid, 561 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 13:16:55,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:16:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:16:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 13:16:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:16:55,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2021-12-21 13:16:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:55,680 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:16:55,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.076923076923077) internal successors, (210), 21 states have internal predecessors, (210), 9 states have call successors, (33), 10 states have call predecessors, (33), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2021-12-21 13:16:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:16:55,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:16:55,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:16:55,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 13:16:55,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:55,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:17:05,763 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 206 213) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 1 ~systemActive~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)))) [2021-12-21 13:17:05,763 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 206 213) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2021-12-21 13:17:05,764 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: (let ((.cse0 (not (< 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse4 .cse6 .cse5 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse3 (not (= 2 ~waterLevel~0)) .cse4 .cse6) (or .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse2 .cse3 .cse4 .cse7 .cse8) (or .cse3 .cse4 (not (<= 2 ~waterLevel~0)) .cse6 .cse7 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse8))) [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2021-12-21 13:17:05,764 INFO L861 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2021-12-21 13:17:05,765 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-12-21 13:17:05,765 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 306 335) the Hoare annotation is: true [2021-12-21 13:17:05,765 INFO L861 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2021-12-21 13:17:05,765 INFO L861 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2021-12-21 13:17:05,765 INFO L858 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2021-12-21 13:17:05,765 INFO L861 garLoopResultBuilder]: At program point L331(lines 306 335) the Hoare annotation is: true [2021-12-21 13:17:05,765 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-12-21 13:17:05,765 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse9 .cse3 .cse10) (or .cse1 .cse2 .cse9 .cse7 .cse10) (or .cse5 .cse6 .cse1 .cse3 .cse8) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse1 .cse2 .cse7 .cse10 .cse4) (or .cse5 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:05,766 INFO L854 garLoopResultBuilder]: At program point L192-1(lines 173 197) the Hoare annotation is: (let ((.cse8 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~1#1|)) (.cse25 (= 1 ~systemActive~0)) (.cse12 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse26 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse27 (<= ~waterLevel~0 1)) (.cse19 (< 0 (+ |timeShift_processEnvironment_~tmp~1#1| 1))) (.cse28 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse20 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse21 (<= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse22 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse17 (and .cse18 .cse10 .cse27 .cse19 .cse28 .cse20 .cse21 .cse11 .cse22)) (.cse1 (and .cse9 .cse5)) (.cse16 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not .cse26)) (.cse13 (and .cse8 .cse9 .cse26 .cse10 .cse27 .cse25 .cse28 .cse11 .cse12)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse24 (= ~waterLevel~0 1)) (.cse2 (not .cse25)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse23 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5) .cse6) (or .cse2 .cse7 (and .cse8 .cse9 .cse10 .cse5 .cse11 .cse12) .cse3 .cse13 .cse6 .cse14) (or .cse0 .cse1 .cse2 .cse15 .cse6 (and .cse4 (= 2 ~waterLevel~0) .cse5)) (or .cse2 .cse7 .cse3 .cse13 (not (= |old(~waterLevel~0)| 2))) (or .cse16 .cse2 .cse17 .cse7 .cse15 .cse14) (or .cse2 .cse17 .cse7 .cse15 (and .cse18 .cse10 .cse19 .cse20 .cse21 .cse5 .cse11 .cse22) .cse6 .cse14) (or .cse2 .cse7 .cse23 .cse3 .cse24 .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse16 .cse2 .cse7 .cse3 .cse13 .cse14) (or (and .cse18 .cse10 .cse19 .cse20 .cse21 .cse24 .cse11 .cse22) .cse2 .cse7 .cse23 .cse15 .cse6) (or .cse0 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,766 INFO L854 garLoopResultBuilder]: At program point L221(lines 214 224) the Hoare annotation is: (let ((.cse9 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse19 (<= 1 ~methaneLevelCritical~0)) (.cse21 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse20 (<= ~waterLevel~0 1)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (= ~waterLevel~0 1)) (.cse10 (and .cse5 .cse6 .cse20 .cse22 .cse12 .cse8 .cse14)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not .cse21)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse19)) (.cse18 (and (<= 1 ~pumpRunning~0) .cse5 .cse19 .cse6 .cse20 .cse21 .cse22 .cse8 .cse9)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse16 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9)) (or .cse0 .cse1 .cse10 .cse11 .cse4 (and .cse5 .cse6 .cse12 .cse13 .cse8 .cse14) .cse15) (or .cse16 .cse0 .cse11 (not (= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse16 .cse0 .cse11) (or .cse0 .cse1 .cse2 .cse11 (and .cse5 .cse6 .cse12 .cse7 .cse8 .cse14) .cse4) (or .cse17 .cse0 .cse1 .cse10 .cse11 .cse15) (or .cse16 .cse0 .cse3 .cse4) (or (and .cse5 .cse6 .cse13 .cse8 .cse9) .cse0 .cse1 .cse3 .cse4 .cse18 .cse15) (or .cse17 .cse0 .cse1 .cse3 .cse18 .cse15) (or .cse16 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,766 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2021-12-21 13:17:05,766 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-12-21 13:17:05,766 INFO L854 garLoopResultBuilder]: At program point L490(lines 483 492) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= 1 ~systemActive~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse13 (let ((.cse15 (<= 1 ~pumpRunning~0))) (or (and .cse15 .cse12 .cse11 (= ~waterLevel~0 1) .cse14) (and .cse15 .cse12 (<= 2 ~waterLevel~0) .cse11 .cse14))))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse13)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse12 .cse13 .cse14)) (.cse0 (not .cse11)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (= 0 ~systemActive~0))) (or .cse7 .cse5 .cse6 .cse0 .cse2) (or .cse5 .cse6 .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse8 .cse3 .cse4) (or .cse7 .cse9 .cse0 .cse1 .cse8 .cse10) (or .cse5 .cse6 .cse0 .cse8 .cse4) (or .cse7 .cse5 .cse6 .cse0 .cse8) (or .cse7 .cse9 .cse0 .cse1 .cse2 .cse10)))) [2021-12-21 13:17:05,766 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 112 138) no Hoare annotation was computed. [2021-12-21 13:17:05,767 INFO L854 garLoopResultBuilder]: At program point L932(lines 927 935) the Hoare annotation is: (let ((.cse14 (<= 1 ~methaneLevelCritical~0)) (.cse16 (<= 1 ~pumpRunning~0)) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse22 (= ~methaneLevelCritical~0 0)) (.cse18 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (and .cse16 .cse17 .cse22 .cse18 .cse19 .cse15 .cse20 .cse21)) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (and .cse17 .cse18 (= ~waterLevel~0 1) .cse21)) (.cse7 (not .cse22)) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (and .cse17 .cse18 (= |old(~waterLevel~0)| ~waterLevel~0) .cse21)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse16 .cse17 .cse14 .cse18 .cse19 .cse15 .cse20 .cse21)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse15)) (.cse3 (not .cse14)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse6 .cse0 .cse1 .cse3 .cse11 .cse9) (or .cse12 .cse13 .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse7 .cse4 .cse5) (or .cse12 .cse10 .cse0 .cse7) (or .cse12 .cse13 .cse0 .cse1 .cse3 .cse11 .cse9) (or .cse10 .cse0 .cse3 .cse5) (or .cse10 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,767 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2021-12-21 13:17:05,767 INFO L854 garLoopResultBuilder]: At program point L895-2(lines 891 902) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse17 (= 1 ~systemActive~0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse14 (and (<= 1 ~pumpRunning~0) .cse8 .cse16 .cse18 .cse17 .cse19 .cse10)) (.cse15 (and .cse8 (= |old(~waterLevel~0)| ~waterLevel~0) .cse10)) (.cse4 (and .cse8 .cse18 .cse17 .cse19 .cse10)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (= ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not .cse17)) (.cse7 (not .cse16)) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse7 (and .cse8 .cse9 .cse10) .cse11) (or .cse12 .cse1 .cse3 .cse13) (or .cse1 .cse2 .cse3 .cse13 .cse4) (or .cse0 .cse1 .cse2 .cse14 .cse7 .cse5) (or .cse15 .cse1 .cse2 .cse14 .cse7 .cse11 .cse5) (or .cse15 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse9 .cse11) (or (not (<= |old(~waterLevel~0)| 1)) .cse12 .cse1 .cse3) (or .cse12 .cse1 .cse7 .cse11) (or .cse12 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,767 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2021-12-21 13:17:05,767 INFO L854 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse23 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse24 (< 0 (+ |timeShift_processEnvironment_~tmp~1#1| 1))) (.cse25 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse26 (<= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse27 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse3 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse4 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~1#1|)) (.cse5 (= ~pumpRunning~0 0)) (.cse32 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse20 (<= ~waterLevel~0 1)) (.cse30 (= 1 ~systemActive~0)) (.cse31 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse22 (not (= 0 ~systemActive~0))) (.cse8 (= ~waterLevel~0 1)) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse19 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse16 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (and .cse3 .cse4 .cse5 .cse32 .cse6 .cse20 .cse30 .cse31 .cse7 .cse9 .cse10)) (.cse11 (not .cse32)) (.cse29 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not .cse30)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse21 (not (= ~methaneLevelCritical~0 0))) (.cse28 (and .cse23 .cse3 .cse6 .cse20 .cse30 .cse24 .cse31 .cse25 .cse26 .cse7 .cse9 .cse27)) (.cse18 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse12) (or .cse13 .cse14 .cse0 .cse1 .cse11 (and .cse4 .cse5 .cse15 .cse6 .cse16 .cse17 .cse9 .cse10) .cse18) (or .cse19 .cse0 (and .cse5 .cse15 .cse20 .cse16 .cse17) .cse11 .cse12) (or .cse19 .cse0 .cse21 (not (= |old(~waterLevel~0)| 2))) (or .cse19 (and .cse5 .cse17) .cse22) (or .cse19 .cse2 .cse12 .cse22) (or (and .cse23 .cse3 .cse6 .cse24 .cse25 .cse26 .cse7 .cse8 .cse9 .cse27) .cse0 .cse1 .cse2 .cse21 .cse12) (or .cse13 .cse19 .cse0 .cse21 (and .cse5 .cse15 .cse16 .cse17)) (or .cse13 .cse0 .cse1 (and .cse23 .cse15 .cse6 .cse24 .cse25 .cse26 .cse16 .cse17 .cse9 .cse27) .cse21 .cse28 .cse18) (or .cse29 .cse14 .cse0 .cse1 .cse11 .cse18) (or .cse29 .cse0 .cse1 .cse21 .cse28 .cse18)))) [2021-12-21 13:17:05,767 INFO L858 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2021-12-21 13:17:05,767 INFO L858 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L854 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= ~pumpRunning~0 0)) (.cse15 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse19 (< 1 ~waterLevel~0)) (.cse17 (= 1 ~systemActive~0)) (.cse20 (<= ~waterLevel~0 2))) (let ((.cse4 (and .cse14 .cse18 .cse15 .cse19 .cse17 .cse20)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (and (<= 1 ~pumpRunning~0) .cse14 .cse15 .cse19 .cse17 .cse20)) (.cse6 (and .cse18 .cse15 .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not .cse17)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse14 .cse15 .cse16)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse0 .cse1 .cse8 .cse3 .cse4 .cse5) (or .cse1 .cse9 .cse10 .cse11 .cse2 .cse3) (or .cse1 .cse9 .cse10 .cse11 .cse8 .cse3) (or .cse6 .cse0 (not (= 0 ~systemActive~0))) (or .cse7 .cse1 .cse9 .cse2 .cse12 .cse13) (or .cse1 .cse9 .cse8 .cse3 .cse12 .cse13)))) [2021-12-21 13:17:05,768 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L854 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse12 (< 0 (+ |timeShift_processEnvironment_~tmp~1#1| 1))) (.cse13 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse14 (<= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse9 (and .cse10 .cse11 (<= ~waterLevel~0 1) .cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse13 .cse14 .cse15 .cse16)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 (not (= |old(~waterLevel~0)| 2))) (or .cse1 .cse2 .cse7 .cse3 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse9 .cse2 .cse6 .cse4) (or .cse1 .cse9 .cse2 .cse6 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= |old(~waterLevel~0)| ~waterLevel~0) .cse15 .cse16) .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 .cse1 .cse3 .cse8) (or (and .cse10 .cse11 .cse12 .cse13 .cse14 (= ~waterLevel~0 1) .cse15 .cse16) .cse1 .cse2 .cse7 .cse6 .cse8) (or .cse5 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,768 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2021-12-21 13:17:05,768 INFO L854 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~1#1|)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse16 (= 1 ~systemActive~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse8 .cse9 .cse17 .cse10 (<= ~waterLevel~0 1) .cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse11 .cse12)) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not .cse17)) (.cse0 (not .cse16)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or (and .cse8 .cse9 .cse10 (= |old(~waterLevel~0)| ~waterLevel~0) .cse11 .cse12) .cse13 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse14 .cse6 .cse15) (or .cse0 .cse1 .cse14 .cse3 (= ~waterLevel~0 1) .cse15) (or .cse13 .cse5 .cse0 .cse6) (or .cse5 .cse0 .cse3 .cse15) (or .cse0 .cse1 .cse6 .cse15 .cse4) (or .cse5 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:05,769 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 (not (= |old(~waterLevel~0)| 2))) (or .cse1 .cse2 .cse7 .cse3 .cse8) (or .cse1 .cse2 .cse7 .cse6 .cse8) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 .cse1 .cse3 .cse8) (or .cse1 .cse2 .cse6 .cse8 .cse4) (or .cse5 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:05,769 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2021-12-21 13:17:05,769 INFO L854 garLoopResultBuilder]: At program point L501-1(lines 493 521) the Hoare annotation is: (let ((.cse8 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~1#1|)) (.cse34 (<= 1 ~methaneLevelCritical~0)) (.cse14 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse32 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse33 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) (.cse9 (= ~pumpRunning~0 0)) (.cse19 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse20 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse38 (<= 1 ~pumpRunning~0)) (.cse22 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse39 (= ~methaneLevelCritical~0 0)) (.cse10 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse36 (<= ~waterLevel~0 1)) (.cse35 (= 1 ~systemActive~0)) (.cse23 (< 0 (+ |timeShift_processEnvironment_~tmp~1#1| 1))) (.cse37 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse24 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse25 (<= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse11 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse26 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and .cse38 .cse22 .cse7 .cse39 .cse10 .cse36 .cse35 .cse23 .cse37 .cse24 .cse25 .cse11 .cse13 .cse26)) (.cse12 (= ~waterLevel~0 1)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse28 (not (= 0 ~systemActive~0))) (.cse27 (not (= |old(~pumpRunning~0)| 0))) (.cse29 (and .cse22 .cse9 .cse19 .cse36 .cse20 .cse21)) (.cse30 (and .cse22 .cse9 (= 2 ~waterLevel~0) .cse32 .cse21 .cse33)) (.cse4 (not .cse39)) (.cse31 (and .cse38 .cse32 (<= 2 ~waterLevel~0) .cse35 .cse21 .cse33)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse18 (and .cse7 .cse8 .cse9 .cse34 .cse10 .cse36 .cse35 .cse37 .cse11 .cse13 .cse14)) (.cse1 (not .cse35)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not .cse34)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) .cse15 .cse16) (or .cse17 .cse18 .cse1 .cse3 .cse15 (and .cse8 .cse9 .cse19 .cse10 .cse20 .cse21 .cse13 .cse14) .cse5) (or .cse17 .cse1 .cse2 .cse3 (and .cse22 .cse19 .cse10 .cse23 .cse24 .cse25 .cse20 .cse21 .cse13 .cse26) .cse4 .cse5) (or .cse27 (and .cse9 .cse21) .cse28) (or .cse27 .cse1 .cse29 .cse30 .cse15 .cse31 .cse16) (or (and .cse22 .cse7 .cse10 .cse23 .cse24 .cse25 .cse11 .cse12 .cse13 .cse26) .cse1 .cse3 .cse6 .cse4 .cse16) (or .cse27 .cse6 (and .cse32 .cse33) .cse16 .cse28) (or .cse27 .cse1 .cse29 .cse30 .cse4 .cse31 .cse16) (or .cse0 .cse18 .cse1 .cse3 .cse15 .cse5)))) [2021-12-21 13:17:05,769 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 112 138) the Hoare annotation is: (let ((.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= ~pumpRunning~0 0)) (.cse15 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse19 (< 1 ~waterLevel~0)) (.cse17 (= 1 ~systemActive~0)) (.cse20 (<= ~waterLevel~0 2))) (let ((.cse4 (and .cse14 .cse18 .cse15 .cse19 .cse17 .cse20)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (and (<= 1 ~pumpRunning~0) .cse14 .cse15 .cse19 .cse17 .cse20)) (.cse6 (and .cse18 .cse15 .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not .cse17)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse14 .cse15 .cse16)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse0 .cse1 .cse8 .cse3 .cse4 .cse5) (or .cse1 .cse9 .cse10 .cse11 .cse2 .cse3) (or .cse1 .cse9 .cse10 .cse11 .cse8 .cse3) (or .cse6 .cse0 (not (= 0 ~systemActive~0))) (or .cse7 .cse1 .cse9 .cse2 .cse12 .cse13) (or .cse1 .cse9 .cse8 .cse3 .cse12 .cse13)))) [2021-12-21 13:17:05,769 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2021-12-21 13:17:05,769 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-21 13:17:05,770 INFO L854 garLoopResultBuilder]: At program point L964(lines 959 967) the Hoare annotation is: (let ((.cse8 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~1#1|)) (.cse4 (= ~pumpRunning~0 0)) (.cse12 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse31 (<= 1 ~methaneLevelCritical~0)) (.cse20 (<= 1 ~pumpRunning~0)) (.cse23 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse34 (= ~methaneLevelCritical~0 0)) (.cse9 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse17 (<= ~waterLevel~0 1)) (.cse32 (= 1 ~systemActive~0)) (.cse24 (< 0 (+ |timeShift_processEnvironment_~tmp~1#1| 1))) (.cse33 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse25 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse26 (<= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse27 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (let ((.cse21 (not (= 0 ~systemActive~0))) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (= ~waterLevel~0 1)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse22 (and .cse20 .cse23 .cse7 .cse34 .cse9 .cse17 .cse32 .cse24 .cse33 .cse25 .cse26 .cse11 .cse27)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not .cse34)) (.cse19 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse30 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not .cse32)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not .cse31)) (.cse29 (and .cse7 .cse8 .cse4 .cse31 .cse9 .cse17 .cse32 .cse33 .cse11 .cse12)) (.cse28 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (and .cse7 .cse8 .cse4 .cse9 .cse10 .cse11 .cse12) .cse2 .cse13 .cse14 .cse15 .cse16) (let ((.cse18 (= 2 ~waterLevel~0))) (or .cse1 .cse2 .cse15 (and .cse4 .cse5 .cse17 .cse6) (and .cse4 .cse18 .cse19 .cse6) .cse16 (and .cse20 .cse18 .cse19 .cse6))) (or .cse1 (and .cse4 .cse6) .cse21) (or .cse1 .cse19 .cse14 .cse16 .cse21) (or .cse0 .cse2 .cse13 .cse3 .cse22 (and .cse23 .cse5 .cse9 .cse24 .cse25 .cse26 .cse6 .cse11 .cse27) .cse28) (or .cse2 .cse13 .cse14 .cse3 .cse16 (and .cse23 .cse7 .cse9 .cse24 .cse25 .cse26 .cse10 .cse11 .cse27)) (or .cse0 (and .cse8 .cse4 .cse5 .cse9 .cse6 .cse11 .cse12) .cse2 .cse13 .cse15 .cse29 .cse28) (or .cse30 .cse2 .cse13 .cse3 .cse22 .cse28) (or (and .cse4 .cse19 .cse6) .cse1 .cse2 .cse3 (and .cse20 .cse19 .cse6) .cse16 (not (<= 2 |old(~waterLevel~0)|))) (or .cse30 .cse2 .cse13 .cse15 .cse29 .cse28)))) [2021-12-21 13:17:05,770 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2021-12-21 13:17:05,770 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2021-12-21 13:17:05,770 INFO L854 garLoopResultBuilder]: At program point L366(lines 362 368) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:05,770 INFO L854 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:05,770 INFO L854 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0)) (and .cse5 .cse2 .cse7 .cse3 .cse4))) [2021-12-21 13:17:05,770 INFO L854 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0)) (and .cse5 .cse2 .cse7 .cse3 .cse4))) [2021-12-21 13:17:05,770 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L861 garLoopResultBuilder]: At program point L379(lines 371 381) the Hoare annotation is: true [2021-12-21 13:17:05,771 INFO L854 garLoopResultBuilder]: At program point L301(lines 289 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point L392-2(lines 392 399) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2021-12-21 13:17:05,771 INFO L858 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L854 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse4 (= 0 ~systemActive~0)) (and .cse6 (= 2 ~waterLevel~0) .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse8 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0)) (and .cse6 .cse7 .cse8 .cse3 .cse4))) [2021-12-21 13:17:05,772 INFO L861 garLoopResultBuilder]: At program point L467(lines 406 471) the Hoare annotation is: true [2021-12-21 13:17:05,772 INFO L861 garLoopResultBuilder]: At program point L401(lines 382 404) the Hoare annotation is: true [2021-12-21 13:17:05,772 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L858 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-12-21 13:17:05,772 INFO L854 garLoopResultBuilder]: At program point L480(lines 475 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:05,772 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:05,773 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 446 459) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9) (and .cse6 .cse4 (= 0 ~systemActive~0)) (and .cse6 (= 2 ~waterLevel~0) .cse7 .cse3 .cse4) (and .cse0 .cse7 .cse8 .cse3 .cse4 .cse9) (and .cse6 .cse7 .cse8 .cse3 .cse4))) [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:05,773 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse6 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:05,774 INFO L854 garLoopResultBuilder]: At program point L285(lines 270 288) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) .cse5 .cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 (and .cse5 (= 2 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse6 .cse4)))) [2021-12-21 13:17:05,774 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2021-12-21 13:17:05,774 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2021-12-21 13:17:05,774 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-12-21 13:17:05,774 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2021-12-21 13:17:05,774 INFO L854 garLoopResultBuilder]: At program point L977(lines 968 981) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse4 .cse7) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse7 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse8 .cse5)))) [2021-12-21 13:17:05,774 INFO L854 garLoopResultBuilder]: At program point L203(lines 198 205) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2021-12-21 13:17:05,774 INFO L854 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:05,774 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse0 .cse4 .cse2 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse0 .cse1 .cse3 .cse5) (or .cse6 .cse3 (not (= 0 ~systemActive~0))) (or .cse6 .cse0 .cse4 .cse3 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2021-12-21 13:17:05,775 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 225 233) the Hoare annotation is: true [2021-12-21 13:17:05,775 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 225 233) no Hoare annotation was computed. [2021-12-21 13:17:05,778 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:05,779 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:17:05,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:17:05 BoogieIcfgContainer [2021-12-21 13:17:05,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:17:05,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:17:05,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:17:05,813 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:17:05,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:47" (3/4) ... [2021-12-21 13:17:05,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:17:05,819 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:17:05,820 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-21 13:17:05,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-21 13:17:05,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:17:05,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:17:05,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:17:05,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:17:05,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:05,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:05,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (\old(waterLevel) == waterLevel && (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 == systemActive) && 1 <= switchedOnBeforeTS)))) || !(\old(waterLevel) == 2)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 == systemActive) && 1 <= switchedOnBeforeTS)))) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:05,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:05,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && \result == methaneLevelCritical) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || ((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || (((((((((pumpRunning == \old(pumpRunning) && \result < 2) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && waterLevel <= 1) && tmp < 2) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && ((((((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && waterLevel <= 1) && tmp < 2) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || (((((1 <= pumpRunning && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || ((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:05,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || ((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:05,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:05,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) && (((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || ((((((((pumpRunning == \old(pumpRunning) && \result < 2) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result))) && ((((((!(\old(waterLevel) <= 1) || ((((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:17:05,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:05,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \result <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \result <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:05,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) [2021-12-21 13:17:05,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) [2021-12-21 13:17:05,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) [2021-12-21 13:17:05,871 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:17:05,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:17:05,872 INFO L158 Benchmark]: Toolchain (without parser) took 19065.89ms. Allocated memory was 94.4MB in the beginning and 272.6MB in the end (delta: 178.3MB). Free memory was 64.2MB in the beginning and 162.2MB in the end (delta: -98.0MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,872 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 50.7MB in the beginning and 50.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:17:05,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.31ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 306.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.56ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,873 INFO L158 Benchmark]: Boogie Preprocessor took 22.22ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,873 INFO L158 Benchmark]: RCFGBuilder took 343.53ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 97.0MB in the end (delta: -37.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,873 INFO L158 Benchmark]: TraceAbstraction took 18232.32ms. Allocated memory was 119.5MB in the beginning and 272.6MB in the end (delta: 153.1MB). Free memory was 96.4MB in the beginning and 169.6MB in the end (delta: -73.1MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,873 INFO L158 Benchmark]: Witness Printer took 58.93ms. Allocated memory is still 272.6MB. Free memory was 169.6MB in the beginning and 162.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:17:05,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 50.7MB in the beginning and 50.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.31ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 306.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.56ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.22ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.53ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 97.0MB in the end (delta: -37.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18232.32ms. Allocated memory was 119.5MB in the beginning and 272.6MB in the end (delta: 153.1MB). Free memory was 96.4MB in the beginning and 169.6MB in the end (delta: -73.1MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. * Witness Printer took 58.93ms. Allocated memory is still 272.6MB. Free memory was 169.6MB in the beginning and 162.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3330 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3279 mSDsluCounter, 6041 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4213 mSDsCounter, 1271 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4059 IncrementalHoareTripleChecker+Invalid, 5330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1271 mSolverCounterUnsat, 1828 mSDtfsCounter, 4059 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 886 SyntacticMatches, 7 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1101occurred in iteration=11, InterpolantAutomatonStates: 176, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 431 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3262 PreInvPairs, 3716 NumberOfFragments, 6440 HoareAnnotationTreeSize, 3262 FomulaSimplifications, 8126 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 47489 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1483 NumberOfCodeBlocks, 1483 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1730 ConstructedInterpolants, 0 QuantifiedInterpolants, 3503 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1815 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 1169/1262 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: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || ((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && \result == methaneLevelCritical) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || ((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || (((((((((pumpRunning == \old(pumpRunning) && \result < 2) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && waterLevel <= 1) && tmp < 2) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && ((((((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && waterLevel <= 1) && tmp < 2) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || (((((1 <= pumpRunning && 2 == \result) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || ((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) && (((((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || ((((((((pumpRunning == \old(pumpRunning) && \result < 2) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result))) && ((((((!(\old(waterLevel) <= 1) || ((((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((((((\result <= waterLevel && methaneLevelCritical <= tmp) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \result <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \result <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (\old(waterLevel) == waterLevel && (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 == systemActive) && 1 <= switchedOnBeforeTS)))) || !(\old(waterLevel) == 2)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && 1 == systemActive) && 1 <= switchedOnBeforeTS)))) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((methaneLevelCritical <= tmp && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(\old(waterLevel) == 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || ((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 1) && 0 < tmp + 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((methaneLevelCritical <= tmp && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && tmp___0 == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:17:05,926 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