./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:18:48,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:18:48,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:18:48,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:18:48,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:18:48,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:18:48,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:18:48,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:18:48,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:18:48,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:18:48,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:18:48,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:18:48,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:18:48,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:18:48,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:18:48,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:18:48,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:18:48,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:18:48,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:18:48,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:18:48,237 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:18:48,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:18:48,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:18:48,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:18:48,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:18:48,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:18:48,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:18:48,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:18:48,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:18:48,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:18:48,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:18:48,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:18:48,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:18:48,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:18:48,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:18:48,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:18:48,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:18:48,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:18:48,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:18:48,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:18:48,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:18:48,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:18:48,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:18:48,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:18:48,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:18:48,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:18:48,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:18:48,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:18:48,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:18:48,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:18:48,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:18:48,290 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:18:48,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:18:48,290 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:18:48,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:18:48,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:18:48,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:18:48,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:48,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:18:48,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:18:48,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:18:48,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:18:48,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:18:48,294 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:18:48,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:18:48,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:18:48,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2022-07-12 06:18:48,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:18:48,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:18:48,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:18:48,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:18:48,511 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:18:48,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-07-12 06:18:48,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1242dc0a2/55f32c78bab34e00a170f75d1ceeb05a/FLAGc1fbe4c76 [2022-07-12 06:18:48,954 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:18:48,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-07-12 06:18:48,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1242dc0a2/55f32c78bab34e00a170f75d1ceeb05a/FLAGc1fbe4c76 [2022-07-12 06:18:49,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1242dc0a2/55f32c78bab34e00a170f75d1ceeb05a [2022-07-12 06:18:49,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:18:49,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:18:49,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:49,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:18:49,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:18:49,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d2104d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49, skipping insertion in model container [2022-07-12 06:18:49,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:18:49,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:18:49,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-07-12 06:18:49,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:49,652 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:18:49,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-07-12 06:18:49,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:49,763 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:18:49,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49 WrapperNode [2022-07-12 06:18:49,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:49,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:49,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:18:49,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:18:49,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,803 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 279 [2022-07-12 06:18:49,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:49,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:18:49,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:18:49,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:18:49,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:18:49,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:18:49,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:18:49,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:18:49,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (1/1) ... [2022-07-12 06:18:49,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:49,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:49,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 06:18:49,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 06:18:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:18:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:18:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:18:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:18:49,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:18:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:18:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:18:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:18:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:18:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:18:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:18:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:18:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:18:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:18:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:18:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:18:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:18:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:18:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:18:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:18:49,952 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:18:49,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:18:50,193 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:18:50,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:18:50,199 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:18:50,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:50 BoogieIcfgContainer [2022-07-12 06:18:50,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:18:50,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:18:50,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:18:50,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:18:50,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:18:49" (1/3) ... [2022-07-12 06:18:50,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310b8d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:50, skipping insertion in model container [2022-07-12 06:18:50,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:49" (2/3) ... [2022-07-12 06:18:50,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310b8d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:50, skipping insertion in model container [2022-07-12 06:18:50,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:50" (3/3) ... [2022-07-12 06:18:50,208 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2022-07-12 06:18:50,218 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:18:50,219 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:18:50,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:18:50,270 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44747f0c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@dc9f083 [2022-07-12 06:18:50,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:18:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-12 06:18:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:18:50,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:50,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:50,296 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash -13342285, now seen corresponding path program 1 times [2022-07-12 06:18:50,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:50,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193391275] [2022-07-12 06:18:50,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:18:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:50,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:50,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193391275] [2022-07-12 06:18:50,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193391275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:50,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:50,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:18:50,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74134328] [2022-07-12 06:18:50,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:50,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:18:50,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:50,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:18:50,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:50,529 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:50,574 INFO L93 Difference]: Finished difference Result 191 states and 260 transitions. [2022-07-12 06:18:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:18:50,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-12 06:18:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:50,588 INFO L225 Difference]: With dead ends: 191 [2022-07-12 06:18:50,588 INFO L226 Difference]: Without dead ends: 91 [2022-07-12 06:18:50,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:50,597 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:50,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-12 06:18:50,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-12 06:18:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-12 06:18:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-07-12 06:18:50,646 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2022-07-12 06:18:50,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:50,647 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-07-12 06:18:50,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-07-12 06:18:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:18:50,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:50,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:50,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:18:50,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:50,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1348159518, now seen corresponding path program 1 times [2022-07-12 06:18:50,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:50,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158957719] [2022-07-12 06:18:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 06:18:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:50,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:50,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158957719] [2022-07-12 06:18:50,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158957719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:50,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:50,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:50,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461214059] [2022-07-12 06:18:50,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:50,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:50,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:50,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:50,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:50,753 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:50,773 INFO L93 Difference]: Finished difference Result 143 states and 185 transitions. [2022-07-12 06:18:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:50,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-12 06:18:50,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:50,777 INFO L225 Difference]: With dead ends: 143 [2022-07-12 06:18:50,777 INFO L226 Difference]: Without dead ends: 82 [2022-07-12 06:18:50,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:50,778 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:50,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:50,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-12 06:18:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-12 06:18:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:18:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-07-12 06:18:50,814 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2022-07-12 06:18:50,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:50,814 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-07-12 06:18:50,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-07-12 06:18:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:18:50,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:50,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:18:50,816 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:50,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:50,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1571393351, now seen corresponding path program 1 times [2022-07-12 06:18:50,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:50,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460213238] [2022-07-12 06:18:50,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:50,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:50,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460213238] [2022-07-12 06:18:50,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460213238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:50,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:50,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:50,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679570368] [2022-07-12 06:18:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:50,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:50,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:50,903 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:50,922 INFO L93 Difference]: Finished difference Result 229 states and 302 transitions. [2022-07-12 06:18:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:50,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-12 06:18:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:50,929 INFO L225 Difference]: With dead ends: 229 [2022-07-12 06:18:50,929 INFO L226 Difference]: Without dead ends: 155 [2022-07-12 06:18:50,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:50,931 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 85 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:50,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 226 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-07-12 06:18:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2022-07-12 06:18:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 130 states have internal predecessors, (156), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-12 06:18:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2022-07-12 06:18:50,948 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 200 transitions. Word has length 30 [2022-07-12 06:18:50,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:50,948 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 200 transitions. [2022-07-12 06:18:50,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 200 transitions. [2022-07-12 06:18:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 06:18:50,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:50,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:50,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:18:50,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:50,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1136396561, now seen corresponding path program 1 times [2022-07-12 06:18:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:50,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736701404] [2022-07-12 06:18:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:51,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:51,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736701404] [2022-07-12 06:18:51,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736701404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:51,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:51,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:51,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131795056] [2022-07-12 06:18:51,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:51,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:51,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:51,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:51,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:51,022 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:51,151 INFO L93 Difference]: Finished difference Result 438 states and 585 transitions. [2022-07-12 06:18:51,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:51,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-12 06:18:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:51,158 INFO L225 Difference]: With dead ends: 438 [2022-07-12 06:18:51,160 INFO L226 Difference]: Without dead ends: 294 [2022-07-12 06:18:51,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:18:51,165 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 74 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:51,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 518 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:51,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-07-12 06:18:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2022-07-12 06:18:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 215 states have (on average 1.344186046511628) internal successors, (289), 244 states have internal predecessors, (289), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2022-07-12 06:18:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 379 transitions. [2022-07-12 06:18:51,194 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 379 transitions. Word has length 34 [2022-07-12 06:18:51,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:51,195 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 379 transitions. [2022-07-12 06:18:51,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 379 transitions. [2022-07-12 06:18:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:18:51,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:51,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:51,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:18:51,202 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:51,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:51,202 INFO L85 PathProgramCache]: Analyzing trace with hash -373671891, now seen corresponding path program 1 times [2022-07-12 06:18:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:51,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218669802] [2022-07-12 06:18:51,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:51,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:18:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:51,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218669802] [2022-07-12 06:18:51,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218669802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:51,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:51,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983905349] [2022-07-12 06:18:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:51,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:51,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:51,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:51,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:51,266 INFO L87 Difference]: Start difference. First operand 288 states and 379 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:18:51,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:51,506 INFO L93 Difference]: Finished difference Result 744 states and 996 transitions. [2022-07-12 06:18:51,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:51,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-12 06:18:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:51,509 INFO L225 Difference]: With dead ends: 744 [2022-07-12 06:18:51,509 INFO L226 Difference]: Without dead ends: 464 [2022-07-12 06:18:51,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:18:51,511 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 127 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:51,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 205 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-07-12 06:18:51,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 450. [2022-07-12 06:18:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 337 states have (on average 1.2967359050445104) internal successors, (437), 370 states have internal predecessors, (437), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2022-07-12 06:18:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 577 transitions. [2022-07-12 06:18:51,552 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 577 transitions. Word has length 38 [2022-07-12 06:18:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:51,553 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 577 transitions. [2022-07-12 06:18:51,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:18:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 577 transitions. [2022-07-12 06:18:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-12 06:18:51,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:51,568 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:51,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:18:51,569 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:51,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1261041571, now seen corresponding path program 1 times [2022-07-12 06:18:51,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:51,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154286893] [2022-07-12 06:18:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:51,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 06:18:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:51,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:51,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154286893] [2022-07-12 06:18:51,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154286893] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:51,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:51,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:51,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268396005] [2022-07-12 06:18:51,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:51,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:51,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:51,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:51,650 INFO L87 Difference]: Start difference. First operand 450 states and 577 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:18:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:51,907 INFO L93 Difference]: Finished difference Result 1008 states and 1325 transitions. [2022-07-12 06:18:51,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:18:51,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-07-12 06:18:51,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:51,910 INFO L225 Difference]: With dead ends: 1008 [2022-07-12 06:18:51,911 INFO L226 Difference]: Without dead ends: 566 [2022-07-12 06:18:51,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:18:51,913 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 140 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:51,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 223 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-07-12 06:18:51,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 544. [2022-07-12 06:18:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 411 states have (on average 1.2627737226277371) internal successors, (519), 444 states have internal predecessors, (519), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2022-07-12 06:18:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 687 transitions. [2022-07-12 06:18:51,940 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 687 transitions. Word has length 56 [2022-07-12 06:18:51,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:51,940 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 687 transitions. [2022-07-12 06:18:51,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:18:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 687 transitions. [2022-07-12 06:18:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-12 06:18:51,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:51,942 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:51,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:18:51,942 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1110697691, now seen corresponding path program 1 times [2022-07-12 06:18:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:51,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106966877] [2022-07-12 06:18:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:51,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 06:18:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:52,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:52,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106966877] [2022-07-12 06:18:52,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106966877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:52,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:52,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:18:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656300276] [2022-07-12 06:18:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:52,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:52,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:52,027 INFO L87 Difference]: Start difference. First operand 544 states and 687 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:52,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:52,380 INFO L93 Difference]: Finished difference Result 1134 states and 1469 transitions. [2022-07-12 06:18:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 06:18:52,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-12 06:18:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:52,384 INFO L225 Difference]: With dead ends: 1134 [2022-07-12 06:18:52,384 INFO L226 Difference]: Without dead ends: 598 [2022-07-12 06:18:52,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-07-12 06:18:52,386 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 367 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:52,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 239 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:18:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-07-12 06:18:52,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 552. [2022-07-12 06:18:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 419 states have (on average 1.2577565632458234) internal successors, (527), 452 states have internal predecessors, (527), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2022-07-12 06:18:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 695 transitions. [2022-07-12 06:18:52,407 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 695 transitions. Word has length 56 [2022-07-12 06:18:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:52,407 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 695 transitions. [2022-07-12 06:18:52,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 695 transitions. [2022-07-12 06:18:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-12 06:18:52,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:52,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:52,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:18:52,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:52,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:52,410 INFO L85 PathProgramCache]: Analyzing trace with hash 275505703, now seen corresponding path program 1 times [2022-07-12 06:18:52,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:52,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688163888] [2022-07-12 06:18:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:52,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 06:18:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:52,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:52,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688163888] [2022-07-12 06:18:52,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688163888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:52,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:52,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:52,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63447189] [2022-07-12 06:18:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:52,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:52,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:52,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:52,478 INFO L87 Difference]: Start difference. First operand 552 states and 695 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:52,767 INFO L93 Difference]: Finished difference Result 1582 states and 2071 transitions. [2022-07-12 06:18:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 06:18:52,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-07-12 06:18:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:52,773 INFO L225 Difference]: With dead ends: 1582 [2022-07-12 06:18:52,773 INFO L226 Difference]: Without dead ends: 1038 [2022-07-12 06:18:52,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:18:52,776 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 328 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:52,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 258 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2022-07-12 06:18:52,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2022-07-12 06:18:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 773 states have (on average 1.2276843467011642) internal successors, (949), 824 states have internal predecessors, (949), 130 states have call successors, (130), 118 states have call predecessors, (130), 122 states have return successors, (216), 128 states have call predecessors, (216), 130 states have call successors, (216) [2022-07-12 06:18:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1295 transitions. [2022-07-12 06:18:52,838 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1295 transitions. Word has length 56 [2022-07-12 06:18:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:52,839 INFO L495 AbstractCegarLoop]: Abstraction has 1026 states and 1295 transitions. [2022-07-12 06:18:52,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:18:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1295 transitions. [2022-07-12 06:18:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-12 06:18:52,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:52,841 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:52,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:18:52,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:52,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:52,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1790739521, now seen corresponding path program 1 times [2022-07-12 06:18:52,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:52,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135139700] [2022-07-12 06:18:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 06:18:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:18:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 06:18:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:18:52,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:52,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135139700] [2022-07-12 06:18:52,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135139700] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:52,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929573281] [2022-07-12 06:18:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:52,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:52,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:52,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:52,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:18:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:18:53,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:53,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:53,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929573281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:53,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:53,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-07-12 06:18:53,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12899095] [2022-07-12 06:18:53,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:53,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:18:53,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:53,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:18:53,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:18:53,233 INFO L87 Difference]: Start difference. First operand 1026 states and 1295 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:53,376 INFO L93 Difference]: Finished difference Result 2000 states and 2536 transitions. [2022-07-12 06:18:53,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:18:53,376 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-12 06:18:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:53,381 INFO L225 Difference]: With dead ends: 2000 [2022-07-12 06:18:53,381 INFO L226 Difference]: Without dead ends: 982 [2022-07-12 06:18:53,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:53,385 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 80 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:53,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 553 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:53,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-07-12 06:18:53,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 978. [2022-07-12 06:18:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 735 states have (on average 1.2122448979591838) internal successors, (891), 784 states have internal predecessors, (891), 126 states have call successors, (126), 114 states have call predecessors, (126), 116 states have return successors, (188), 122 states have call predecessors, (188), 126 states have call successors, (188) [2022-07-12 06:18:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1205 transitions. [2022-07-12 06:18:53,417 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1205 transitions. Word has length 60 [2022-07-12 06:18:53,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:53,417 INFO L495 AbstractCegarLoop]: Abstraction has 978 states and 1205 transitions. [2022-07-12 06:18:53,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:18:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1205 transitions. [2022-07-12 06:18:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-12 06:18:53,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:53,420 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:53,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:53,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:53,654 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:53,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1108761287, now seen corresponding path program 1 times [2022-07-12 06:18:53,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:53,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477373890] [2022-07-12 06:18:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:53,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:18:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 06:18:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:18:53,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:53,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477373890] [2022-07-12 06:18:53,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477373890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:53,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:53,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:18:53,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400776492] [2022-07-12 06:18:53,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:53,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:18:53,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:53,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:18:53,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:18:53,752 INFO L87 Difference]: Start difference. First operand 978 states and 1205 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-12 06:18:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:54,032 INFO L93 Difference]: Finished difference Result 1315 states and 1625 transitions. [2022-07-12 06:18:54,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 06:18:54,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 87 [2022-07-12 06:18:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:54,036 INFO L225 Difference]: With dead ends: 1315 [2022-07-12 06:18:54,036 INFO L226 Difference]: Without dead ends: 585 [2022-07-12 06:18:54,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-07-12 06:18:54,038 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 364 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:54,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 280 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:54,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-07-12 06:18:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 565. [2022-07-12 06:18:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 425 states have (on average 1.1694117647058824) internal successors, (497), 455 states have internal predecessors, (497), 73 states have call successors, (73), 56 states have call predecessors, (73), 66 states have return successors, (120), 73 states have call predecessors, (120), 73 states have call successors, (120) [2022-07-12 06:18:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 690 transitions. [2022-07-12 06:18:54,063 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 690 transitions. Word has length 87 [2022-07-12 06:18:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:54,064 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 690 transitions. [2022-07-12 06:18:54,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-12 06:18:54,064 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 690 transitions. [2022-07-12 06:18:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-12 06:18:54,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:54,070 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:54,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 06:18:54,070 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:54,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:54,071 INFO L85 PathProgramCache]: Analyzing trace with hash -188705161, now seen corresponding path program 1 times [2022-07-12 06:18:54,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:54,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55525098] [2022-07-12 06:18:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:54,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:18:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 06:18:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:18:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 06:18:54,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:54,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55525098] [2022-07-12 06:18:54,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55525098] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:54,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018355700] [2022-07-12 06:18:54,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:54,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:54,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:54,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:54,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:18:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 06:18:54,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 06:18:54,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:54,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018355700] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:54,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:54,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-12 06:18:54,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316095924] [2022-07-12 06:18:54,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:54,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:18:54,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:54,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:18:54,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:18:54,304 INFO L87 Difference]: Start difference. First operand 565 states and 690 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:54,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:54,342 INFO L93 Difference]: Finished difference Result 1080 states and 1360 transitions. [2022-07-12 06:18:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:18:54,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-07-12 06:18:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:54,345 INFO L225 Difference]: With dead ends: 1080 [2022-07-12 06:18:54,345 INFO L226 Difference]: Without dead ends: 617 [2022-07-12 06:18:54,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:18:54,347 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 33 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:54,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 396 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:54,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-07-12 06:18:54,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 577. [2022-07-12 06:18:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 437 states have (on average 1.1647597254004576) internal successors, (509), 467 states have internal predecessors, (509), 73 states have call successors, (73), 56 states have call predecessors, (73), 66 states have return successors, (120), 73 states have call predecessors, (120), 73 states have call successors, (120) [2022-07-12 06:18:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 702 transitions. [2022-07-12 06:18:54,390 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 702 transitions. Word has length 98 [2022-07-12 06:18:54,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:54,390 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 702 transitions. [2022-07-12 06:18:54,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 702 transitions. [2022-07-12 06:18:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-12 06:18:54,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:54,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:54,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:54,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-12 06:18:54,610 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:54,610 INFO L85 PathProgramCache]: Analyzing trace with hash -54691655, now seen corresponding path program 1 times [2022-07-12 06:18:54,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:54,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498369693] [2022-07-12 06:18:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:54,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:18:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 06:18:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 06:18:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-12 06:18:54,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:54,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498369693] [2022-07-12 06:18:54,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498369693] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:54,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833529874] [2022-07-12 06:18:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:54,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:54,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:54,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:18:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:54,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 06:18:54,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:54,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:18:54,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833529874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:54,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:18:54,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-12 06:18:54,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342171298] [2022-07-12 06:18:54,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:54,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:54,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:54,801 INFO L87 Difference]: Start difference. First operand 577 states and 702 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:54,837 INFO L93 Difference]: Finished difference Result 906 states and 1139 transitions. [2022-07-12 06:18:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:54,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-07-12 06:18:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:54,841 INFO L225 Difference]: With dead ends: 906 [2022-07-12 06:18:54,841 INFO L226 Difference]: Without dead ends: 904 [2022-07-12 06:18:54,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:18:54,842 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 47 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:54,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 193 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:54,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-07-12 06:18:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 703. [2022-07-12 06:18:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 535 states have (on average 1.1775700934579438) internal successors, (630), 571 states have internal predecessors, (630), 89 states have call successors, (89), 67 states have call predecessors, (89), 78 states have return successors, (158), 86 states have call predecessors, (158), 89 states have call successors, (158) [2022-07-12 06:18:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 877 transitions. [2022-07-12 06:18:54,899 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 877 transitions. Word has length 98 [2022-07-12 06:18:54,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:54,900 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 877 transitions. [2022-07-12 06:18:54,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 06:18:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 877 transitions. [2022-07-12 06:18:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-12 06:18:54,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:54,903 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:54,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:55,116 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:55,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1162464621, now seen corresponding path program 1 times [2022-07-12 06:18:55,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:55,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906671472] [2022-07-12 06:18:55,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:18:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:18:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:18:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 06:18:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 06:18:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:18:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 06:18:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:18:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 06:18:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-12 06:18:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:55,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906671472] [2022-07-12 06:18:55,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906671472] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:18:55,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766476021] [2022-07-12 06:18:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:55,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:55,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:55,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:18:55,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 06:18:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:55,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 06:18:55,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:18:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:18:55,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:18:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-12 06:18:55,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766476021] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:18:55,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:18:55,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 20 [2022-07-12 06:18:55,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561975592] [2022-07-12 06:18:55,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:18:55,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-12 06:18:55,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:55,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-12 06:18:55,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2022-07-12 06:18:55,755 INFO L87 Difference]: Start difference. First operand 703 states and 877 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:18:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:56,589 INFO L93 Difference]: Finished difference Result 1222 states and 1500 transitions. [2022-07-12 06:18:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 06:18:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 139 [2022-07-12 06:18:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:56,590 INFO L225 Difference]: With dead ends: 1222 [2022-07-12 06:18:56,591 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:18:56,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=327, Invalid=1155, Unknown=0, NotChecked=0, Total=1482 [2022-07-12 06:18:56,594 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 546 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:56,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 491 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 06:18:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:18:56,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:18:56,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:18:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:18:56,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-07-12 06:18:56,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:56,596 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:18:56,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-12 06:18:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:18:56,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:18:56,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:18:56,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 06:18:56,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:18:56,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:19:01,559 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2022-07-12 06:19:01,560 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-07-12 06:19:01,560 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-07-12 06:19:01,560 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2022-07-12 06:19:01,560 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2022-07-12 06:19:01,560 INFO L899 garLoopResultBuilder]: For program point L942-1(lines 938 949) no Hoare annotation was computed. [2022-07-12 06:19:01,560 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse2 .cse3 .cse6))) [2022-07-12 06:19:01,560 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2022-07-12 06:19:01,560 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-07-12 06:19:01,561 INFO L899 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2022-07-12 06:19:01,561 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2022-07-12 06:19:01,561 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2022-07-12 06:19:01,561 INFO L902 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2022-07-12 06:19:01,561 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-07-12 06:19:01,561 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-07-12 06:19:01,561 INFO L902 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2022-07-12 06:19:01,561 INFO L899 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2022-07-12 06:19:01,561 INFO L902 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2022-07-12 06:19:01,561 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2022-07-12 06:19:01,562 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 950 958) no Hoare annotation was computed. [2022-07-12 06:19:01,562 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2022-07-12 06:19:01,562 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-07-12 06:19:01,562 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 .cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 (and .cse0 .cse7 .cse8) .cse3) (or .cse5 .cse6 .cse2 .cse9 (and .cse1 .cse7 .cse8)) (or .cse6 .cse2 .cse9 (and .cse0 .cse1) .cse4) (or .cse5 .cse3 .cse10) (or .cse5 .cse9 .cse10))) [2022-07-12 06:19:01,562 INFO L895 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= 1 ~systemActive~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse16)) (.cse12 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse13 (let ((.cse17 (= ~waterLevel~0 0))) (or (and (not .cse17) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse17 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse3 (not .cse15)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse7 .cse8) (or .cse0 .cse3 .cse8) (or (and .cse9 .cse4 .cse10) .cse2 .cse7 (and .cse11 .cse10) (and .cse12 .cse4 .cse10 .cse13) .cse14) (or .cse0 .cse1 .cse2 (and .cse9 .cse5 .cse6) .cse7 (and .cse11 .cse5)) (or .cse1 .cse2 (and .cse12 .cse4 .cse15 .cse16 .cse10 .cse13) .cse3 (and .cse9 .cse4 .cse15 .cse16) .cse14)))) [2022-07-12 06:19:01,562 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-12 06:19:01,562 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L895 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse4 .cse9) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse9) (or .cse1 .cse2 .cse3 (and .cse5 .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse8))) [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 97) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-07-12 06:19:01,563 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-07-12 06:19:01,564 INFO L895 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse16 (= 1 ~systemActive~0))) (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (let ((.cse17 (= ~waterLevel~0 0))) (or (and (not .cse17) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse17 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse14 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not .cse16)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse6 .cse7 .cse9) .cse11 .cse12 (and .cse6 .cse13 .cse7 .cse9) .cse14) (or .cse15 .cse11 .cse3 (and .cse10 .cse1 .cse16) (and .cse5 .cse1 .cse6 .cse16 .cse7 .cse8) .cse14) (or .cse0 .cse15 .cse11 .cse3 (and .cse1 .cse6 .cse16 .cse2)) (or .cse0 .cse12 (and .cse1 .cse2 .cse9) .cse4) (or (and .cse1 .cse6 .cse2 .cse9) .cse0 .cse15 .cse11 .cse12 (and .cse13 .cse2))))) [2022-07-12 06:19:01,564 INFO L895 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse7) (or .cse2 .cse6 .cse4 .cse7) (or .cse0 .cse3 .cse5))) [2022-07-12 06:19:01,564 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-12 06:19:01,564 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not .cse11)) (.cse1 (not .cse10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse0 .cse7 .cse6) (or .cse0 .cse8 .cse9 .cse7) (or .cse8 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse10 .cse3 .cse11 (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse9 .cse1 (and .cse12 .cse2 .cse10 .cse3 .cse11) .cse13) (or .cse9 .cse7 .cse13) (or .cse0 (and .cse12 .cse3 .cse4 .cse5) .cse8 .cse9 .cse1)))) [2022-07-12 06:19:01,564 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-07-12 06:19:01,564 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse6))) [2022-07-12 06:19:01,564 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-07-12 06:19:01,565 INFO L895 garLoopResultBuilder]: At program point L918-2(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or (and .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse1 .cse2 .cse3 .cse8) (or .cse2 .cse4 (and .cse6 .cse7) .cse8))) [2022-07-12 06:19:01,565 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5) (or .cse2 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse6))) [2022-07-12 06:19:01,565 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse6 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse7) (or .cse5 .cse2 .cse7 .cse8) (or .cse5 .cse0 .cse1 .cse6 .cse7)))) [2022-07-12 06:19:01,565 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (let ((.cse8 (= ~waterLevel~0 0))) (or (and (not .cse8) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse8 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1)))))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse7) (or .cse2 .cse6 .cse4 .cse5))) [2022-07-12 06:19:01,565 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2022-07-12 06:19:01,565 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-12 06:19:01,565 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse17 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse2 (and .cse8 .cse14 .cse15)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not .cse17)) (.cse11 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse12 (let ((.cse18 (= ~waterLevel~0 0))) (or (and (not .cse18) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0)) (and .cse18 (= |timeShift_isLowWaterLevel_~tmp~4#1| 1))))) (.cse6 (not .cse16)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse6 .cse2 .cse3) (or (and .cse7 .cse8 .cse9) .cse5 .cse1 (and .cse10 .cse9) (and .cse11 .cse8 .cse9 .cse12) .cse13) (or .cse0 .cse4 .cse5 (and .cse7 .cse14 .cse15) .cse1 (and .cse10 .cse14)) (or .cse4 .cse5 (and .cse11 .cse8 .cse16 .cse17 .cse9 .cse12) .cse6 (and .cse7 .cse8 .cse16 .cse17) .cse13)))) [2022-07-12 06:19:01,566 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-07-12 06:19:01,566 INFO L895 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:01,566 INFO L895 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2022-07-12 06:19:01,566 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:19:01,566 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2022-07-12 06:19:01,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:19:01,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:19:01,566 INFO L895 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:01,567 INFO L895 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse4 .cse6) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse0 .cse7 .cse3 .cse4) (and .cse5 .cse7 .cse4 .cse6) (and .cse7 .cse2 .cse3 .cse4))) [2022-07-12 06:19:01,567 INFO L895 garLoopResultBuilder]: At program point L532(lines 528 534) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:01,567 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-07-12 06:19:01,567 INFO L899 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2022-07-12 06:19:01,567 INFO L895 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-07-12 06:19:01,567 INFO L895 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-12 06:19:01,567 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-12 06:19:01,567 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L899 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L899 garLoopResultBuilder]: For program point L496-2(lines 496 503) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L895 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:01,568 INFO L902 garLoopResultBuilder]: At program point L480(lines 472 482) the Hoare annotation is: true [2022-07-12 06:19:01,568 INFO L899 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2022-07-12 06:19:01,568 INFO L895 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:01,568 INFO L902 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2022-07-12 06:19:01,569 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2022-07-12 06:19:01,569 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse6))) [2022-07-12 06:19:01,569 INFO L902 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2022-07-12 06:19:01,569 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2022-07-12 06:19:01,569 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2022-07-12 06:19:01,569 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-07-12 06:19:01,569 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse6 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7))) [2022-07-12 06:19:01,569 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-07-12 06:19:01,569 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-07-12 06:19:01,570 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse10 .cse11 .cse12 .cse9)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (and .cse10 .cse11 .cse8 .cse12 .cse9)) (.cse2 (not .cse9)) (.cse5 (not (= ~waterLevel~0 0))) (.cse3 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse4 .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse5 .cse3)))) [2022-07-12 06:19:01,570 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2022-07-12 06:19:01,570 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2022-07-12 06:19:01,570 INFO L895 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse12)) (.cse2 (not .cse11)) (.cse8 (and .cse5 (<= 2 ~waterLevel~0))) (.cse3 (and .cse10 .cse5 .cse11 .cse6 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (and .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse7 (and .cse10 .cse5) .cse9) (or .cse4 .cse0 .cse2 .cse8 .cse3)))) [2022-07-12 06:19:01,570 INFO L895 garLoopResultBuilder]: At program point L162(lines 157 164) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (<= 2 ~waterLevel~0) .cse5) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5))) [2022-07-12 06:19:01,570 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6) (or .cse0 .cse1 .cse2 .cse6))) [2022-07-12 06:19:01,570 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2022-07-12 06:19:01,570 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2022-07-12 06:19:01,571 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2022-07-12 06:19:01,571 INFO L895 garLoopResultBuilder]: At program point L173-2(lines 166 182) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~2#1|)) .cse4) (or .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse5 .cse6))) [2022-07-12 06:19:01,571 INFO L895 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0)) (.cse13 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse14 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) (.cse15 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0)))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (and .cse10 .cse9 .cse12 .cse13 .cse14 .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse12)) (.cse5 (not .cse11)) (.cse6 (and .cse10 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse8 (and .cse9 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse0 .cse2 .cse8 .cse3 .cse4) (or .cse7 .cse0 .cse5 .cse6 .cse8)))) [2022-07-12 06:19:01,571 INFO L895 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 (and .cse5 .cse6 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse3) (or .cse4 .cse0 .cse7 (and .cse5 .cse6)) (or .cse0 .cse1 .cse7))) [2022-07-12 06:19:01,571 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse6))) [2022-07-12 06:19:01,571 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-07-12 06:19:01,571 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-07-12 06:19:01,571 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-07-12 06:19:01,572 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2022-07-12 06:19:01,572 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5) (or .cse1 .cse6 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2022-07-12 06:19:01,574 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:01,579 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:19:01,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:19:01 BoogieIcfgContainer [2022-07-12 06:19:01,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:19:01,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:19:01,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:19:01,620 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:19:01,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:50" (3/4) ... [2022-07-12 06:19:01,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:19:01,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:19:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:19:01,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-12 06:19:01,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:19:01,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:19:01,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:19:01,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:19:01,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:01,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:01,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2022-07-12 06:19:01,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || (((\result == 0 && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || !(2 <= \old(waterLevel))) [2022-07-12 06:19:01,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && ((((((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1))) && tmp == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0)) || !(0 == systemActive))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-07-12 06:19:01,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-12 06:19:01,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || ((((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-07-12 06:19:01,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2022-07-12 06:19:01,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(methAndRunningLastTime == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-12 06:19:01,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) [2022-07-12 06:19:01,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2022-07-12 06:19:01,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) [2022-07-12 06:19:01,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-07-12 06:19:01,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-12 06:19:01,672 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:19:01,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:19:01,672 INFO L158 Benchmark]: Toolchain (without parser) took 12309.27ms. Allocated memory was 111.1MB in the beginning and 247.5MB in the end (delta: 136.3MB). Free memory was 80.6MB in the beginning and 210.7MB in the end (delta: -130.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,673 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:19:01,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.52ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 80.6MB in the beginning and 126.6MB in the end (delta: -45.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.34ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,673 INFO L158 Benchmark]: Boogie Preprocessor took 26.79ms. Allocated memory is still 161.5MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,674 INFO L158 Benchmark]: RCFGBuilder took 369.69ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 105.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,674 INFO L158 Benchmark]: TraceAbstraction took 11416.55ms. Allocated memory was 161.5MB in the beginning and 247.5MB in the end (delta: 86.0MB). Free memory was 104.7MB in the beginning and 217.0MB in the end (delta: -112.3MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,674 INFO L158 Benchmark]: Witness Printer took 52.37ms. Allocated memory is still 247.5MB. Free memory was 217.0MB in the beginning and 210.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:19:01,675 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 111.1MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.52ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 80.6MB in the beginning and 126.6MB in the end (delta: -45.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.34ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.79ms. Allocated memory is still 161.5MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.69ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 105.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11416.55ms. Allocated memory was 161.5MB in the beginning and 247.5MB in the end (delta: 86.0MB). Free memory was 104.7MB in the beginning and 217.0MB in the end (delta: -112.3MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. * Witness Printer took 52.37ms. Allocated memory is still 247.5MB. Free memory was 217.0MB in the beginning and 210.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2239 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2207 mSDsluCounter, 3898 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2285 mSDsCounter, 760 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2854 IncrementalHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 760 mSolverCounterUnsat, 1613 mSDtfsCounter, 2854 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 652 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1026occurred in iteration=8, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 368 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2706 PreInvPairs, 3025 NumberOfFragments, 3389 HoareAnnotationTreeSize, 2706 FomulaSimplifications, 3024 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 20106 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 2606 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1935 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 400/453 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || (((\result == 0 && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && ((((((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1))) && tmp == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || (((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (waterLevel == 0 && tmp == 1)))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0)) || !(0 == systemActive))) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && 1 == systemActive)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= tmp___0) && 1 <= \result) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(methAndRunningLastTime == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || ((((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) <= waterLevel + 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:19:01,721 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