./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product53.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 e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:59:27,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:59:27,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:59:27,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:59:27,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:59:27,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:59:27,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:59:27,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:59:27,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:59:27,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:59:27,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:59:27,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:59:27,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:59:27,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:59:27,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:59:27,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:59:27,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:59:27,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:59:27,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:59:27,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:59:27,962 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:59:27,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:59:27,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:59:27,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:59:27,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:59:27,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:59:27,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:59:27,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:59:27,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:59:27,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:59:27,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:59:27,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:59:27,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:59:27,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:59:27,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:59:27,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:59:27,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:59:27,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:59:27,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:59:27,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:59:27,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:59:27,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:59:27,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:59:28,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:59:28,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:59:28,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:59:28,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:59:28,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:59:28,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:59:28,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:59:28,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:59:28,014 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:59:28,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:59:28,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:59:28,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:59:28,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:59:28,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:59:28,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:28,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:59:28,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:59:28,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:59:28,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:59:28,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:59:28,019 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:59:28,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:59:28,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:59:28,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2022-07-13 17:59:28,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:59:28,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:59:28,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:59:28,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:59:28,216 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:59:28,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-07-13 17:59:28,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506201c7d/15435fc9b7fe475f9df1746c156458fe/FLAG70e9fb514 [2022-07-13 17:59:28,697 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:59:28,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-07-13 17:59:28,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506201c7d/15435fc9b7fe475f9df1746c156458fe/FLAG70e9fb514 [2022-07-13 17:59:29,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506201c7d/15435fc9b7fe475f9df1746c156458fe [2022-07-13 17:59:29,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:59:29,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:59:29,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:29,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:59:29,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:59:29,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9919d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29, skipping insertion in model container [2022-07-13 17:59:29,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:59:29,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:59:29,267 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_spec3_product53.cil.c[1605,1618] [2022-07-13 17:59:29,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:29,381 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:59:29,395 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_spec3_product53.cil.c[1605,1618] [2022-07-13 17:59:29,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:29,470 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:59:29,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29 WrapperNode [2022-07-13 17:59:29,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:29,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:29,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:59:29,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:59:29,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,536 INFO L137 Inliner]: procedures = 56, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 281 [2022-07-13 17:59:29,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:29,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:59:29,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:59:29,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:59:29,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:59:29,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:59:29,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:59:29,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:59:29,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (1/1) ... [2022-07-13 17:59:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:29,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 17:59:29,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 17:59:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:59:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:59:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:59:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:59:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:59:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:59:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:59:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:59:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:59:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:59:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:59:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-13 17:59:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-13 17:59:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:59:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:59:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:59:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:59:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:59:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:59:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:59:29,672 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:59:29,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:59:29,937 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:59:29,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:59:29,942 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:59:29,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:29 BoogieIcfgContainer [2022-07-13 17:59:29,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:59:29,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:59:29,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:59:29,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:59:29,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:59:29" (1/3) ... [2022-07-13 17:59:29,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a57c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:29, skipping insertion in model container [2022-07-13 17:59:29,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:29" (2/3) ... [2022-07-13 17:59:29,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a57c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:29, skipping insertion in model container [2022-07-13 17:59:29,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:29" (3/3) ... [2022-07-13 17:59:29,970 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2022-07-13 17:59:29,981 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:59:29,981 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:59:30,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:59:30,041 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@6635fe0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@699cf82b [2022-07-13 17:59:30,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:59:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-13 17:59:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:59:30,066 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:30,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1763060088, now seen corresponding path program 1 times [2022-07-13 17:59:30,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026920656] [2022-07-13 17:59:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:59:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:30,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026920656] [2022-07-13 17:59:30,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026920656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582752178] [2022-07-13 17:59:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:59:30,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:59:30,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:30,260 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,292 INFO L93 Difference]: Finished difference Result 196 states and 267 transitions. [2022-07-13 17:59:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:59:30,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-13 17:59:30,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,300 INFO L225 Difference]: With dead ends: 196 [2022-07-13 17:59:30,300 INFO L226 Difference]: Without dead ends: 93 [2022-07-13 17:59:30,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:30,306 INFO L413 NwaCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-13 17:59:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-13 17:59:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-13 17:59:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-07-13 17:59:30,336 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-07-13 17:59:30,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,337 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-07-13 17:59:30,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-07-13 17:59:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:59:30,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:30,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:59:30,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1681284877, now seen corresponding path program 1 times [2022-07-13 17:59:30,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346599491] [2022-07-13 17:59:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:59:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:30,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346599491] [2022-07-13 17:59:30,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346599491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955090439] [2022-07-13 17:59:30,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:30,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:30,422 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,440 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2022-07-13 17:59:30,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:30,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-13 17:59:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,446 INFO L225 Difference]: With dead ends: 152 [2022-07-13 17:59:30,446 INFO L226 Difference]: Without dead ends: 84 [2022-07-13 17:59:30,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:30,453 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-13 17:59:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-13 17:59:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-13 17:59:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-13 17:59:30,471 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-07-13 17:59:30,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,472 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-13 17:59:30,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-13 17:59:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 17:59:30,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:30,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:59:30,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1900585844, now seen corresponding path program 1 times [2022-07-13 17:59:30,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269367204] [2022-07-13 17:59:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:30,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269367204] [2022-07-13 17:59:30,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269367204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:30,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347531513] [2022-07-13 17:59:30,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:30,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:30,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:30,534 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,545 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-07-13 17:59:30,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:30,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-13 17:59:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,547 INFO L225 Difference]: With dead ends: 161 [2022-07-13 17:59:30,547 INFO L226 Difference]: Without dead ends: 84 [2022-07-13 17:59:30,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:30,548 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-13 17:59:30,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-13 17:59:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-13 17:59:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-13 17:59:30,555 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-07-13 17:59:30,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,556 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-13 17:59:30,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:59:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-13 17:59:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-13 17:59:30,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,557 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] [2022-07-13 17:59:30,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:59:30,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,558 INFO L85 PathProgramCache]: Analyzing trace with hash 810060833, now seen corresponding path program 1 times [2022-07-13 17:59:30,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688672306] [2022-07-13 17:59:30,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-13 17:59:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:59:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:59:30,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688672306] [2022-07-13 17:59:30,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688672306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 17:59:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234798652] [2022-07-13 17:59:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 17:59:30,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 17:59:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 17:59:30,613 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 17:59:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,777 INFO L93 Difference]: Finished difference Result 243 states and 317 transitions. [2022-07-13 17:59:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:59:30,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-07-13 17:59:30,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,783 INFO L225 Difference]: With dead ends: 243 [2022-07-13 17:59:30,783 INFO L226 Difference]: Without dead ends: 166 [2022-07-13 17:59:30,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:30,789 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 154 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 235 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:30,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-07-13 17:59:30,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2022-07-13 17:59:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-13 17:59:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-07-13 17:59:30,803 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 43 [2022-07-13 17:59:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,803 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-07-13 17:59:30,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-13 17:59:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-07-13 17:59:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-13 17:59:30,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:30,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:59:30,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1861351509, now seen corresponding path program 1 times [2022-07-13 17:59:30,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439568989] [2022-07-13 17:59:30,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:59:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:30,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439568989] [2022-07-13 17:59:30,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439568989] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655168535] [2022-07-13 17:59:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:30,915 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-13 17:59:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:31,122 INFO L93 Difference]: Finished difference Result 439 states and 590 transitions. [2022-07-13 17:59:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 17:59:31,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-07-13 17:59:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:31,125 INFO L225 Difference]: With dead ends: 439 [2022-07-13 17:59:31,125 INFO L226 Difference]: Without dead ends: 286 [2022-07-13 17:59:31,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-13 17:59:31,126 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 176 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:31,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 456 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:31,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-07-13 17:59:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 253. [2022-07-13 17:59:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.2827225130890052) internal successors, (245), 201 states have internal predecessors, (245), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-07-13 17:59:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 324 transitions. [2022-07-13 17:59:31,159 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 324 transitions. Word has length 49 [2022-07-13 17:59:31,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:31,159 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 324 transitions. [2022-07-13 17:59:31,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-13 17:59:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 324 transitions. [2022-07-13 17:59:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-13 17:59:31,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:31,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:31,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:59:31,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1995365015, now seen corresponding path program 1 times [2022-07-13 17:59:31,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:31,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554111387] [2022-07-13 17:59:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:59:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:31,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:31,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554111387] [2022-07-13 17:59:31,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554111387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:31,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:31,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:31,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759153493] [2022-07-13 17:59:31,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:31,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:31,207 INFO L87 Difference]: Start difference. First operand 253 states and 324 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:31,309 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2022-07-13 17:59:31,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:59:31,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-07-13 17:59:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:31,311 INFO L225 Difference]: With dead ends: 513 [2022-07-13 17:59:31,311 INFO L226 Difference]: Without dead ends: 267 [2022-07-13 17:59:31,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:59:31,312 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 73 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:31,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 436 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:31,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-07-13 17:59:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2022-07-13 17:59:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 197 states have (on average 1.2741116751269035) internal successors, (251), 207 states have internal predecessors, (251), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-07-13 17:59:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 330 transitions. [2022-07-13 17:59:31,331 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 330 transitions. Word has length 49 [2022-07-13 17:59:31,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:31,332 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 330 transitions. [2022-07-13 17:59:31,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 330 transitions. [2022-07-13 17:59:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-13 17:59:31,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:31,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:31,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:59:31,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:31,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:31,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2080747563, now seen corresponding path program 1 times [2022-07-13 17:59:31,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:31,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622477590] [2022-07-13 17:59:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:59:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:31,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:31,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622477590] [2022-07-13 17:59:31,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622477590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:31,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:31,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:31,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868727023] [2022-07-13 17:59:31,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:31,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:31,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:31,402 INFO L87 Difference]: Start difference. First operand 259 states and 330 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:31,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:31,514 INFO L93 Difference]: Finished difference Result 475 states and 619 transitions. [2022-07-13 17:59:31,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:59:31,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-07-13 17:59:31,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:31,516 INFO L225 Difference]: With dead ends: 475 [2022-07-13 17:59:31,516 INFO L226 Difference]: Without dead ends: 223 [2022-07-13 17:59:31,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:59:31,517 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:31,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 272 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:31,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-07-13 17:59:31,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2022-07-13 17:59:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.2545454545454546) internal successors, (207), 174 states have internal predecessors, (207), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-07-13 17:59:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 270 transitions. [2022-07-13 17:59:31,533 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 270 transitions. Word has length 49 [2022-07-13 17:59:31,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:31,534 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 270 transitions. [2022-07-13 17:59:31,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 270 transitions. [2022-07-13 17:59:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:31,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:31,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:31,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:59:31,538 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:31,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1736726981, now seen corresponding path program 1 times [2022-07-13 17:59:31,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:31,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068273962] [2022-07-13 17:59:31,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:31,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:31,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068273962] [2022-07-13 17:59:31,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068273962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:31,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:31,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191947978] [2022-07-13 17:59:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:31,604 INFO L87 Difference]: Start difference. First operand 218 states and 270 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:31,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:31,733 INFO L93 Difference]: Finished difference Result 432 states and 535 transitions. [2022-07-13 17:59:31,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:59:31,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:31,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:31,735 INFO L225 Difference]: With dead ends: 432 [2022-07-13 17:59:31,735 INFO L226 Difference]: Without dead ends: 221 [2022-07-13 17:59:31,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:59:31,736 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 126 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:31,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 397 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:31,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-07-13 17:59:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2022-07-13 17:59:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 172 states have internal predecessors, (203), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-07-13 17:59:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 266 transitions. [2022-07-13 17:59:31,744 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 266 transitions. Word has length 51 [2022-07-13 17:59:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:31,745 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 266 transitions. [2022-07-13 17:59:31,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 266 transitions. [2022-07-13 17:59:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-13 17:59:31,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:31,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:31,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:59:31,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:31,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:31,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1340244461, now seen corresponding path program 1 times [2022-07-13 17:59:31,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:31,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135120380] [2022-07-13 17:59:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:59:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-13 17:59:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:31,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:31,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135120380] [2022-07-13 17:59:31,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135120380] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:31,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:31,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 17:59:31,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294343846] [2022-07-13 17:59:31,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 17:59:31,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 17:59:31,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:59:31,843 INFO L87 Difference]: Start difference. First operand 216 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:59:32,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:32,171 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2022-07-13 17:59:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-13 17:59:32,171 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 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 53 [2022-07-13 17:59:32,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:32,173 INFO L225 Difference]: With dead ends: 433 [2022-07-13 17:59:32,173 INFO L226 Difference]: Without dead ends: 275 [2022-07-13 17:59:32,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-07-13 17:59:32,175 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 430 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:32,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 457 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:32,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-07-13 17:59:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 218. [2022-07-13 17:59:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 174 states have internal predecessors, (198), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-07-13 17:59:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2022-07-13 17:59:32,188 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 53 [2022-07-13 17:59:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:32,188 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2022-07-13 17:59:32,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-13 17:59:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2022-07-13 17:59:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-13 17:59:32,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:32,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:32,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 17:59:32,190 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:32,190 INFO L85 PathProgramCache]: Analyzing trace with hash -768900197, now seen corresponding path program 1 times [2022-07-13 17:59:32,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:32,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740795609] [2022-07-13 17:59:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:59:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 17:59:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:32,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:32,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740795609] [2022-07-13 17:59:32,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740795609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:32,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:32,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:59:32,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257170272] [2022-07-13 17:59:32,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:32,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:32,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:32,251 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:32,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:32,404 INFO L93 Difference]: Finished difference Result 417 states and 499 transitions. [2022-07-13 17:59:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:32,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-07-13 17:59:32,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:32,406 INFO L225 Difference]: With dead ends: 417 [2022-07-13 17:59:32,406 INFO L226 Difference]: Without dead ends: 257 [2022-07-13 17:59:32,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:32,406 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 150 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:32,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 350 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:32,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-07-13 17:59:32,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2022-07-13 17:59:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.201219512195122) internal successors, (197), 174 states have internal predecessors, (197), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-07-13 17:59:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-07-13 17:59:32,417 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 55 [2022-07-13 17:59:32,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:32,418 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-07-13 17:59:32,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-07-13 17:59:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-13 17:59:32,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:32,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:32,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:59:32,428 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:32,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:32,428 INFO L85 PathProgramCache]: Analyzing trace with hash -696926305, now seen corresponding path program 1 times [2022-07-13 17:59:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:32,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845719916] [2022-07-13 17:59:32,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:59:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 17:59:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:32,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845719916] [2022-07-13 17:59:32,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845719916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:32,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:32,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:59:32,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643228465] [2022-07-13 17:59:32,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:32,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:59:32,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:32,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:59:32,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:32,505 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 17:59:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:32,840 INFO L93 Difference]: Finished difference Result 536 states and 657 transitions. [2022-07-13 17:59:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-13 17:59:32,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-07-13 17:59:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:32,843 INFO L225 Difference]: With dead ends: 536 [2022-07-13 17:59:32,843 INFO L226 Difference]: Without dead ends: 376 [2022-07-13 17:59:32,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-07-13 17:59:32,844 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 385 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:32,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 377 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-07-13 17:59:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 347. [2022-07-13 17:59:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.193050193050193) internal successors, (309), 275 states have internal predecessors, (309), 46 states have call successors, (46), 35 states have call predecessors, (46), 41 states have return successors, (60), 44 states have call predecessors, (60), 46 states have call successors, (60) [2022-07-13 17:59:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 415 transitions. [2022-07-13 17:59:32,864 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 415 transitions. Word has length 55 [2022-07-13 17:59:32,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:32,865 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 415 transitions. [2022-07-13 17:59:32,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 17:59:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 415 transitions. [2022-07-13 17:59:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-13 17:59:32,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:32,866 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:32,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:59:32,867 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:32,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:32,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1626295211, now seen corresponding path program 1 times [2022-07-13 17:59:32,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:32,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239733814] [2022-07-13 17:59:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:32,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:59:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:59:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 17:59:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-13 17:59:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:59:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:59:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-13 17:59:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239733814] [2022-07-13 17:59:32,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239733814] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894771210] [2022-07-13 17:59:32,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:32,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:32,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:59:33,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:59:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:33,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 17:59:33,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 17:59:33,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:59:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-13 17:59:33,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894771210] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:59:33,530 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:59:33,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 20 [2022-07-13 17:59:33,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699780503] [2022-07-13 17:59:33,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:59:33,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-13 17:59:33,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:33,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-13 17:59:33,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-07-13 17:59:33,531 INFO L87 Difference]: Start difference. First operand 347 states and 415 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-13 17:59:34,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:34,713 INFO L93 Difference]: Finished difference Result 1073 states and 1374 transitions. [2022-07-13 17:59:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-13 17:59:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) Word has length 89 [2022-07-13 17:59:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:34,715 INFO L225 Difference]: With dead ends: 1073 [2022-07-13 17:59:34,715 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:34,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1031, Invalid=3525, Unknown=0, NotChecked=0, Total=4556 [2022-07-13 17:59:34,718 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 713 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:34,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 815 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 17:59:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:59:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:34,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-07-13 17:59:34,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:34,720 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:34,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-07-13 17:59:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:34,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:34,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:34,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:34,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 17:59:34,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:37,755 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 296 303) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-07-13 17:59:37,755 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 296 303) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 426 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 438 446) the Hoare annotation is: true [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 438 446) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2022-07-13 17:59:37,758 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-07-13 17:59:37,759 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-07-13 17:59:37,759 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-07-13 17:59:37,759 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-07-13 17:59:37,759 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-07-13 17:59:37,759 INFO L895 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-07-13 17:59:37,759 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-07-13 17:59:37,759 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 179 202) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2022-07-13 17:59:37,760 INFO L895 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (not .cse1) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse12 .cse8 .cse5 .cse9 .cse13 .cse6 .cse11)) (.cse2 (not .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse6) .cse2 .cse4 .cse3) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 .cse7 (and .cse8 .cse5 .cse9 .cse10 .cse11) .cse3 (and .cse12 .cse5 .cse9 .cse10 .cse11))) (or .cse1 .cse2 .cse7 .cse3))))) [2022-07-13 17:59:37,760 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L282-1(lines 263 287) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L311(lines 304 314) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,761 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2022-07-13 17:59:37,761 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 182 201) no Hoare annotation was computed. [2022-07-13 17:59:37,761 INFO L895 garLoopResultBuilder]: At program point L406-2(lines 402 413) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-13 17:59:37,762 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 179 202) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L895 garLoopResultBuilder]: At program point L518-1(lines 503 535) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse21 (not .cse18)) (.cse22 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (let ((.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse19 (not .cse22)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (or .cse21 .cse22)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse15 (and .cse11 .cse3 .cse4 .cse5 .cse6 .cse17 .cse7 .cse8)) (.cse16 (and .cse11 .cse3 .cse5 .cse6 .cse21 .cse19 .cse17)) (.cse2 (and .cse10 .cse11 .cse5 .cse6 .cse21 .cse19)) (.cse9 (and .cse3 .cse5 .cse6 .cse21 .cse19 .cse20)) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse6)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse10 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse0) (or .cse14 .cse15 .cse16 (and .cse10 .cse4 .cse17) .cse0 .cse12) (or .cse18 .cse0 .cse1 .cse2 .cse9 .cse12) (or .cse14 .cse18 .cse0 .cse19 .cse12) (or .cse13 .cse0 .cse1 .cse20)))))) [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 985 992) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-13 17:59:37,762 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L902 garLoopResultBuilder]: At program point L994(lines 975 997) the Hoare annotation is: true [2022-07-13 17:59:37,762 INFO L902 garLoopResultBuilder]: At program point L160(lines 101 164) the Hoare annotation is: true [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:37,762 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:37,763 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:37,763 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2022-07-13 17:59:37,763 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2022-07-13 17:59:37,763 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:37,763 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-07-13 17:59:37,764 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-07-13 17:59:37,764 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2022-07-13 17:59:37,764 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:37,764 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-07-13 17:59:37,764 INFO L902 garLoopResultBuilder]: At program point L972(lines 965 974) the Hoare annotation is: true [2022-07-13 17:59:37,764 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)))))) [2022-07-13 17:59:37,764 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 211 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-13 17:59:37,764 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2022-07-13 17:59:37,764 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2022-07-13 17:59:37,765 INFO L895 garLoopResultBuilder]: At program point L488(lines 479 492) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 (not .cse5) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 .cse2 (and .cse4 .cse5) (not (<= ~waterLevel~0 2)))))) [2022-07-13 17:59:37,765 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,765 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2022-07-13 17:59:37,765 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2022-07-13 17:59:37,765 INFO L895 garLoopResultBuilder]: At program point L375(lines 360 378) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse6)) (.cse2 (and .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 (and .cse4 .cse5 .cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) .cse1 (not (<= ~waterLevel~0 2)) .cse2)))) [2022-07-13 17:59:37,765 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2022-07-13 17:59:37,765 INFO L899 garLoopResultBuilder]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2022-07-13 17:59:37,765 INFO L895 garLoopResultBuilder]: At program point L293(lines 288 295) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= ~waterLevel~0 2)) (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|))) (or .cse2 .cse0 .cse1))) [2022-07-13 17:59:37,765 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 489) no Hoare annotation was computed. [2022-07-13 17:59:37,766 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2022-07-13 17:59:37,766 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2022-07-13 17:59:37,766 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 414 425) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-07-13 17:59:37,766 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,766 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2022-07-13 17:59:37,766 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 237 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-13 17:59:37,766 INFO L895 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,766 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2022-07-13 17:59:37,767 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,767 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,767 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2022-07-13 17:59:37,767 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2022-07-13 17:59:37,767 INFO L895 garLoopResultBuilder]: At program point L394(lines 379 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-13 17:59:37,768 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2022-07-13 17:59:37,768 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2022-07-13 17:59:37,770 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:37,773 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:37,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:37 BoogieIcfgContainer [2022-07-13 17:59:37,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:37,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:37,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:37,810 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:37,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:29" (3/4) ... [2022-07-13 17:59:37,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:37,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:37,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:37,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:37,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-13 17:59:37,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-13 17:59:37,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:37,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:37,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:37,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:37,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:37,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:37,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-07-13 17:59:37,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-13 17:59:37,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) [2022-07-13 17:59:37,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-13 17:59:37,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) [2022-07-13 17:59:37,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:37,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-07-13 17:59:37,887 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:37,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:37,887 INFO L158 Benchmark]: Toolchain (without parser) took 8792.40ms. Allocated memory was 88.1MB in the beginning and 174.1MB in the end (delta: 86.0MB). Free memory was 55.3MB in the beginning and 93.8MB in the end (delta: -38.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,888 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:37,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.54ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 55.1MB in the beginning and 87.8MB in the end (delta: -32.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.26ms. Allocated memory is still 119.5MB. Free memory was 87.8MB in the beginning and 85.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,889 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,889 INFO L158 Benchmark]: RCFGBuilder took 374.30ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 65.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,889 INFO L158 Benchmark]: TraceAbstraction took 7843.70ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 96.1MB in the beginning and 100.1MB in the end (delta: -3.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,889 INFO L158 Benchmark]: Witness Printer took 77.67ms. Allocated memory is still 174.1MB. Free memory was 100.1MB in the beginning and 93.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:59:37,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.54ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 55.1MB in the beginning and 87.8MB in the end (delta: -32.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.26ms. Allocated memory is still 119.5MB. Free memory was 87.8MB in the beginning and 85.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.30ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 65.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7843.70ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 96.1MB in the beginning and 100.1MB in the end (delta: -3.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 77.67ms. Allocated memory is still 174.1MB. Free memory was 100.1MB in the beginning and 93.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2521 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2480 mSDsluCounter, 4232 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2886 mSDsCounter, 966 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3101 IncrementalHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 966 mSolverCounterUnsat, 1346 mSDtfsCounter, 3101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=11, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 182 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1364 PreInvPairs, 1631 NumberOfFragments, 1902 HoareAnnotationTreeSize, 1364 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 47 FomulaSimplificationsInter, 22540 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1535 SizeOfPredicates, 4 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 60/81 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:37,943 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