./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product60.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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:07:49,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:07:49,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:07:49,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:07:49,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:07:49,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:07:49,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:07:49,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:07:49,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:07:49,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:07:49,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:07:49,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:07:49,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:07:49,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:07:49,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:07:49,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:07:49,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:07:49,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:07:49,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:07:49,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:07:49,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:07:49,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:07:49,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:07:49,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:07:49,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:07:49,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:07:49,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:07:49,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:07:49,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:07:49,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:07:49,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:07:50,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:07:50,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:07:50,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:07:50,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:07:50,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:07:50,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:07:50,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:07:50,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:07:50,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:07:50,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:07:50,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:07:50,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:07:50,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:07:50,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:07:50,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:07:50,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:07:50,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:07:50,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:07:50,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:07:50,050 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:07:50,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:07:50,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:07:50,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:07:50,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:07:50,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:07:50,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:07:50,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:07:50,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:07:50,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:07:50,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:07:50,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:50,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:07:50,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:07:50,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:07:50,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:07:50,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:07:50,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:07:50,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:07:50,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:07:50,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:07:50,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2021-12-17 15:07:50,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:07:50,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:07:50,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:07:50,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:07:50,283 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:07:50,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-12-17 15:07:50,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e4994d5/0babc2fdc82540a89495b6ba18ab6ae5/FLAG96b338f5a [2021-12-17 15:07:50,711 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:07:50,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-12-17 15:07:50,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e4994d5/0babc2fdc82540a89495b6ba18ab6ae5/FLAG96b338f5a [2021-12-17 15:07:51,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e4994d5/0babc2fdc82540a89495b6ba18ab6ae5 [2021-12-17 15:07:51,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:07:51,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:07:51,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:51,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:07:51,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:07:51,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69106974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51, skipping insertion in model container [2021-12-17 15:07:51,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:07:51,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:07:51,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2021-12-17 15:07:51,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:51,395 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:07:51,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2021-12-17 15:07:51,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:51,455 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:07:51,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51 WrapperNode [2021-12-17 15:07:51,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:51,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:51,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:07:51,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:07:51,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,490 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 282 [2021-12-17 15:07:51,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:51,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:07:51,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:07:51,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:07:51,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:07:51,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:07:51,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:07:51,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:07:51,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (1/1) ... [2021-12-17 15:07:51,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:51,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:51,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:07:51,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:07:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:07:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:07:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:07:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:07:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:07:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:07:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:07:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:07:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:07:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:07:51,653 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:07:51,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:07:51,929 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:07:51,937 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:07:51,939 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:07:51,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:51 BoogieIcfgContainer [2021-12-17 15:07:51,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:07:51,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:07:51,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:07:51,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:07:51,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:07:51" (1/3) ... [2021-12-17 15:07:51,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977c2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:51, skipping insertion in model container [2021-12-17 15:07:51,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:51" (2/3) ... [2021-12-17 15:07:51,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977c2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:51, skipping insertion in model container [2021-12-17 15:07:51,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:51" (3/3) ... [2021-12-17 15:07:51,948 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2021-12-17 15:07:51,951 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:07:51,952 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:07:51,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:07:51,998 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:07:51,998 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:07:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:07:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:07:52,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,029 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1691208954, now seen corresponding path program 1 times [2021-12-17 15:07:52,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459068180] [2021-12-17 15:07:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:07:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459068180] [2021-12-17 15:07:52,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459068180] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:07:52,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093120033] [2021-12-17 15:07:52,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:07:52,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:07:52,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:52,296 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:52,352 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2021-12-17 15:07:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:07:52,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-17 15:07:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:52,363 INFO L225 Difference]: With dead ends: 193 [2021-12-17 15:07:52,363 INFO L226 Difference]: Without dead ends: 92 [2021-12-17 15:07:52,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:52,371 INFO L933 BasicCegarLoop]: 128 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, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:52,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-17 15:07:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-17 15:07:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-17 15:07:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-12-17 15:07:52,413 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2021-12-17 15:07:52,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,413 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-12-17 15:07:52,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-12-17 15:07:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:07:52,417 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:07:52,418 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,421 INFO L85 PathProgramCache]: Analyzing trace with hash 356391721, now seen corresponding path program 1 times [2021-12-17 15:07:52,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791806651] [2021-12-17 15:07:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:07:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791806651] [2021-12-17 15:07:52,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791806651] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:52,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506157610] [2021-12-17 15:07:52,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:52,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:52,482 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:52,496 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2021-12-17 15:07:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:52,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-17 15:07:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:52,500 INFO L225 Difference]: With dead ends: 144 [2021-12-17 15:07:52,500 INFO L226 Difference]: Without dead ends: 83 [2021-12-17 15:07:52,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:52,505 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:52,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:52,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-12-17 15:07:52,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-17 15:07:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:07:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2021-12-17 15:07:52,516 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26 [2021-12-17 15:07:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,517 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2021-12-17 15:07:52,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2021-12-17 15:07:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:07:52,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:07:52,522 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1826063129, now seen corresponding path program 1 times [2021-12-17 15:07:52,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128963980] [2021-12-17 15:07:52,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128963980] [2021-12-17 15:07:52,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128963980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:07:52,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126304914] [2021-12-17 15:07:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:52,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:52,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:07:52,599 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:52,685 INFO L93 Difference]: Finished difference Result 201 states and 263 transitions. [2021-12-17 15:07:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:07:52,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-17 15:07:52,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:52,687 INFO L225 Difference]: With dead ends: 201 [2021-12-17 15:07:52,688 INFO L226 Difference]: Without dead ends: 126 [2021-12-17 15:07:52,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:52,690 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 172 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:52,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 363 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-12-17 15:07:52,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2021-12-17 15:07:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 94 states have (on average 1.351063829787234) internal successors, (127), 105 states have internal predecessors, (127), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2021-12-17 15:07:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 160 transitions. [2021-12-17 15:07:52,711 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 160 transitions. Word has length 31 [2021-12-17 15:07:52,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,711 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 160 transitions. [2021-12-17 15:07:52,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2021-12-17 15:07:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-17 15:07:52,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:07:52,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1496608149, now seen corresponding path program 1 times [2021-12-17 15:07:52,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122815407] [2021-12-17 15:07:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:07:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122815407] [2021-12-17 15:07:52,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122815407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:52,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286493762] [2021-12-17 15:07:52,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:52,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:52,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:52,775 INFO L87 Difference]: Start difference. First operand 123 states and 160 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:52,859 INFO L93 Difference]: Finished difference Result 351 states and 467 transitions. [2021-12-17 15:07:52,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-17 15:07:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:52,866 INFO L225 Difference]: With dead ends: 351 [2021-12-17 15:07:52,866 INFO L226 Difference]: Without dead ends: 236 [2021-12-17 15:07:52,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:52,870 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 75 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:52,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 523 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-12-17 15:07:52,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 230. [2021-12-17 15:07:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 173 states have (on average 1.3352601156069364) internal successors, (231), 194 states have internal predecessors, (231), 32 states have call successors, (32), 24 states have call predecessors, (32), 24 states have return successors, (36), 24 states have call predecessors, (36), 32 states have call successors, (36) [2021-12-17 15:07:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 299 transitions. [2021-12-17 15:07:52,894 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 299 transitions. Word has length 34 [2021-12-17 15:07:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:52,894 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 299 transitions. [2021-12-17 15:07:52,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 299 transitions. [2021-12-17 15:07:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:07:52,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:52,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:52,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:07:52,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash 275228017, now seen corresponding path program 1 times [2021-12-17 15:07:52,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:52,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69429446] [2021-12-17 15:07:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:52,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:52,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:52,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69429446] [2021-12-17 15:07:52,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69429446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:52,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:52,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:52,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70080752] [2021-12-17 15:07:52,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:52,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:52,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:52,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:52,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:52,981 INFO L87 Difference]: Start difference. First operand 230 states and 299 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:53,215 INFO L93 Difference]: Finished difference Result 532 states and 709 transitions. [2021-12-17 15:07:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:53,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-17 15:07:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:53,219 INFO L225 Difference]: With dead ends: 532 [2021-12-17 15:07:53,219 INFO L226 Difference]: Without dead ends: 310 [2021-12-17 15:07:53,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:53,223 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 127 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:53,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 245 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-17 15:07:53,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 299. [2021-12-17 15:07:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 226 states have (on average 1.2743362831858407) internal successors, (288), 247 states have internal predecessors, (288), 38 states have call successors, (38), 34 states have call predecessors, (38), 34 states have return successors, (53), 36 states have call predecessors, (53), 38 states have call successors, (53) [2021-12-17 15:07:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 379 transitions. [2021-12-17 15:07:53,257 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 379 transitions. Word has length 38 [2021-12-17 15:07:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:53,258 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 379 transitions. [2021-12-17 15:07:53,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 379 transitions. [2021-12-17 15:07:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-17 15:07:53,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:53,262 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:53,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:07:53,263 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:53,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:53,263 INFO L85 PathProgramCache]: Analyzing trace with hash -811009123, now seen corresponding path program 1 times [2021-12-17 15:07:53,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:53,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971649015] [2021-12-17 15:07:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:53,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:07:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:53,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:53,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971649015] [2021-12-17 15:07:53,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971649015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:53,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:53,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:07:53,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584040409] [2021-12-17 15:07:53,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:53,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:53,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:53,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:53,354 INFO L87 Difference]: Start difference. First operand 299 states and 379 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:53,626 INFO L93 Difference]: Finished difference Result 649 states and 844 transitions. [2021-12-17 15:07:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:07:53,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2021-12-17 15:07:53,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:53,645 INFO L225 Difference]: With dead ends: 649 [2021-12-17 15:07:53,645 INFO L226 Difference]: Without dead ends: 358 [2021-12-17 15:07:53,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:53,647 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 140 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:53,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 264 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-17 15:07:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 346. [2021-12-17 15:07:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 263 states have (on average 1.2509505703422052) internal successors, (329), 284 states have internal predecessors, (329), 42 states have call successors, (42), 34 states have call predecessors, (42), 40 states have return successors, (63), 44 states have call predecessors, (63), 42 states have call successors, (63) [2021-12-17 15:07:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 434 transitions. [2021-12-17 15:07:53,664 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 434 transitions. Word has length 57 [2021-12-17 15:07:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:53,664 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 434 transitions. [2021-12-17 15:07:53,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 434 transitions. [2021-12-17 15:07:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 15:07:53,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:53,666 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:53,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:07:53,666 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:53,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2134035155, now seen corresponding path program 1 times [2021-12-17 15:07:53,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:53,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474822937] [2021-12-17 15:07:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:53,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-17 15:07:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:53,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:53,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474822937] [2021-12-17 15:07:53,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474822937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:53,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:53,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:07:53,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866035596] [2021-12-17 15:07:53,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:53,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:53,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:53,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:53,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:07:53,703 INFO L87 Difference]: Start difference. First operand 346 states and 434 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:53,852 INFO L93 Difference]: Finished difference Result 690 states and 865 transitions. [2021-12-17 15:07:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:53,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 4 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 60 [2021-12-17 15:07:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:53,854 INFO L225 Difference]: With dead ends: 690 [2021-12-17 15:07:53,854 INFO L226 Difference]: Without dead ends: 352 [2021-12-17 15:07:53,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:53,867 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 163 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:53,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 238 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:53,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-12-17 15:07:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 346. [2021-12-17 15:07:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 263 states have (on average 1.2433460076045628) internal successors, (327), 284 states have internal predecessors, (327), 42 states have call successors, (42), 34 states have call predecessors, (42), 40 states have return successors, (59), 44 states have call predecessors, (59), 42 states have call successors, (59) [2021-12-17 15:07:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 428 transitions. [2021-12-17 15:07:53,891 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 428 transitions. Word has length 60 [2021-12-17 15:07:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:53,892 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 428 transitions. [2021-12-17 15:07:53,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 428 transitions. [2021-12-17 15:07:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-17 15:07:53,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:53,894 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:53,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:07:53,897 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:53,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:53,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1112218911, now seen corresponding path program 1 times [2021-12-17 15:07:53,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:53,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542801997] [2021-12-17 15:07:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:53,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:07:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:53,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:53,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542801997] [2021-12-17 15:07:53,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542801997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:53,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:53,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:53,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157559666] [2021-12-17 15:07:53,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:53,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:53,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:53,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:53,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:53,965 INFO L87 Difference]: Start difference. First operand 346 states and 428 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:54,143 INFO L93 Difference]: Finished difference Result 702 states and 887 transitions. [2021-12-17 15:07:54,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:07:54,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2021-12-17 15:07:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:54,145 INFO L225 Difference]: With dead ends: 702 [2021-12-17 15:07:54,145 INFO L226 Difference]: Without dead ends: 364 [2021-12-17 15:07:54,146 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:07:54,147 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 143 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:54,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 224 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-12-17 15:07:54,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 350. [2021-12-17 15:07:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 267 states have (on average 1.2397003745318351) internal successors, (331), 288 states have internal predecessors, (331), 42 states have call successors, (42), 34 states have call predecessors, (42), 40 states have return successors, (59), 44 states have call predecessors, (59), 42 states have call successors, (59) [2021-12-17 15:07:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 432 transitions. [2021-12-17 15:07:54,161 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 432 transitions. Word has length 57 [2021-12-17 15:07:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:54,161 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 432 transitions. [2021-12-17 15:07:54,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:07:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 432 transitions. [2021-12-17 15:07:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-17 15:07:54,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:54,162 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:54,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:07:54,163 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:54,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1796544991, now seen corresponding path program 1 times [2021-12-17 15:07:54,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:54,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288158948] [2021-12-17 15:07:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:54,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-17 15:07:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:54,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:54,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288158948] [2021-12-17 15:07:54,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288158948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:54,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:54,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:54,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123723388] [2021-12-17 15:07:54,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:54,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:54,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:54,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:54,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:54,207 INFO L87 Difference]: Start difference. First operand 350 states and 432 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:54,466 INFO L93 Difference]: Finished difference Result 1068 states and 1365 transitions. [2021-12-17 15:07:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 15:07:54,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 57 [2021-12-17 15:07:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:54,469 INFO L225 Difference]: With dead ends: 1068 [2021-12-17 15:07:54,469 INFO L226 Difference]: Without dead ends: 726 [2021-12-17 15:07:54,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:54,471 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 329 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:54,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 287 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2021-12-17 15:07:54,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 724. [2021-12-17 15:07:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 549 states have (on average 1.2131147540983607) internal successors, (666), 586 states have internal predecessors, (666), 90 states have call successors, (90), 84 states have call predecessors, (90), 84 states have return successors, (138), 88 states have call predecessors, (138), 90 states have call successors, (138) [2021-12-17 15:07:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 894 transitions. [2021-12-17 15:07:54,512 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 894 transitions. Word has length 57 [2021-12-17 15:07:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:54,513 INFO L470 AbstractCegarLoop]: Abstraction has 724 states and 894 transitions. [2021-12-17 15:07:54,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:07:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 894 transitions. [2021-12-17 15:07:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-17 15:07:54,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:54,514 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:54,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:07:54,514 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:54,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:54,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1429890759, now seen corresponding path program 1 times [2021-12-17 15:07:54,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:54,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867836418] [2021-12-17 15:07:54,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:54,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:07:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-17 15:07:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:07:54,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:54,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867836418] [2021-12-17 15:07:54,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867836418] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:54,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567053417] [2021-12-17 15:07:54,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:54,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:54,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:54,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:54,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:07:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:54,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:07:54,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:54,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:54,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567053417] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:54,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:54,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-17 15:07:54,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820427592] [2021-12-17 15:07:54,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:54,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:54,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:54,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:07:54,855 INFO L87 Difference]: Start difference. First operand 724 states and 894 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:07:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:54,959 INFO L93 Difference]: Finished difference Result 1418 states and 1757 transitions. [2021-12-17 15:07:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:07:54,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2021-12-17 15:07:54,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:54,962 INFO L225 Difference]: With dead ends: 1418 [2021-12-17 15:07:54,962 INFO L226 Difference]: Without dead ends: 702 [2021-12-17 15:07:54,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-17 15:07:54,964 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 78 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:54,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 839 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-12-17 15:07:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 700. [2021-12-17 15:07:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 530 states have (on average 1.1962264150943396) internal successors, (634), 566 states have internal predecessors, (634), 88 states have call successors, (88), 82 states have call predecessors, (88), 81 states have return successors, (121), 85 states have call predecessors, (121), 88 states have call successors, (121) [2021-12-17 15:07:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 843 transitions. [2021-12-17 15:07:54,988 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 843 transitions. Word has length 61 [2021-12-17 15:07:54,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:54,988 INFO L470 AbstractCegarLoop]: Abstraction has 700 states and 843 transitions. [2021-12-17 15:07:54,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:07:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 843 transitions. [2021-12-17 15:07:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-17 15:07:54,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:54,990 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:55,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:55,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 15:07:55,212 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash 984940751, now seen corresponding path program 1 times [2021-12-17 15:07:55,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:55,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667611793] [2021-12-17 15:07:55,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 15:07:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-17 15:07:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 15:07:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:07:55,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:55,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667611793] [2021-12-17 15:07:55,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667611793] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:55,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084113791] [2021-12-17 15:07:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:55,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:55,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:55,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:07:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 15:07:55,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:55,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:55,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084113791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:55,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:55,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2021-12-17 15:07:55,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800617683] [2021-12-17 15:07:55,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:55,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:55,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:55,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:55,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:55,497 INFO L87 Difference]: Start difference. First operand 700 states and 843 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-17 15:07:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:55,524 INFO L93 Difference]: Finished difference Result 1020 states and 1246 transitions. [2021-12-17 15:07:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2021-12-17 15:07:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:55,528 INFO L225 Difference]: With dead ends: 1020 [2021-12-17 15:07:55,528 INFO L226 Difference]: Without dead ends: 1018 [2021-12-17 15:07:55,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:55,529 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:55,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 212 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:55,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-12-17 15:07:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 804. [2021-12-17 15:07:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 611 states have (on average 1.2029459901800328) internal successors, (735), 651 states have internal predecessors, (735), 100 states have call successors, (100), 93 states have call predecessors, (100), 92 states have return successors, (147), 95 states have call predecessors, (147), 100 states have call successors, (147) [2021-12-17 15:07:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 982 transitions. [2021-12-17 15:07:55,558 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 982 transitions. Word has length 100 [2021-12-17 15:07:55,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:55,559 INFO L470 AbstractCegarLoop]: Abstraction has 804 states and 982 transitions. [2021-12-17 15:07:55,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-17 15:07:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 982 transitions. [2021-12-17 15:07:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-17 15:07:55,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:55,562 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:07:55,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:55,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-17 15:07:55,779 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:55,780 INFO L85 PathProgramCache]: Analyzing trace with hash 95367809, now seen corresponding path program 1 times [2021-12-17 15:07:55,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:55,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349885485] [2021-12-17 15:07:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 15:07:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-17 15:07:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:07:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:07:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 15:07:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-17 15:07:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-17 15:07:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-17 15:07:55,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:55,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349885485] [2021-12-17 15:07:55,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349885485] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:55,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032413004] [2021-12-17 15:07:55,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:55,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:55,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:55,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 15:07:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:56,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 15:07:56,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-17 15:07:56,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:07:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 55 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-17 15:07:56,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032413004] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:07:56,707 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:07:56,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 18 [2021-12-17 15:07:56,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526225299] [2021-12-17 15:07:56,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:07:56,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-17 15:07:56,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-17 15:07:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-12-17 15:07:56,709 INFO L87 Difference]: Start difference. First operand 804 states and 982 transitions. Second operand has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 10 states have call predecessors, (30), 12 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-17 15:07:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:57,539 INFO L93 Difference]: Finished difference Result 1678 states and 2130 transitions. [2021-12-17 15:07:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-17 15:07:57,539 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 10 states have call predecessors, (30), 12 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) Word has length 146 [2021-12-17 15:07:57,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:57,543 INFO L225 Difference]: With dead ends: 1678 [2021-12-17 15:07:57,543 INFO L226 Difference]: Without dead ends: 1038 [2021-12-17 15:07:57,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 311 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2021-12-17 15:07:57,546 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 998 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:57,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 348 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 15:07:57,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-12-17 15:07:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1015. [2021-12-17 15:07:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 772 states have (on average 1.2046632124352332) internal successors, (930), 825 states have internal predecessors, (930), 132 states have call successors, (132), 112 states have call predecessors, (132), 110 states have return successors, (191), 114 states have call predecessors, (191), 132 states have call successors, (191) [2021-12-17 15:07:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1253 transitions. [2021-12-17 15:07:57,581 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1253 transitions. Word has length 146 [2021-12-17 15:07:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:57,582 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1253 transitions. [2021-12-17 15:07:57,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.166666666666666) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 10 states have call predecessors, (30), 12 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-17 15:07:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1253 transitions. [2021-12-17 15:07:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-17 15:07:57,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:57,585 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:07:57,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:57,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:57,802 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1940734975, now seen corresponding path program 1 times [2021-12-17 15:07:57,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:57,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160809536] [2021-12-17 15:07:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:57,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:07:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 15:07:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-17 15:07:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:07:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:07:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 15:07:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-17 15:07:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-17 15:07:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-17 15:07:58,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:58,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160809536] [2021-12-17 15:07:58,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160809536] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:58,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104367857] [2021-12-17 15:07:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:58,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:58,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:58,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:58,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 15:07:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:58,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 15:07:58,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:07:58,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:07:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 61 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-17 15:07:58,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104367857] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:07:58,765 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:07:58,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 20 [2021-12-17 15:07:58,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592200263] [2021-12-17 15:07:58,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:07:58,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-17 15:07:58,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:58,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-17 15:07:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-12-17 15:07:58,767 INFO L87 Difference]: Start difference. First operand 1015 states and 1253 transitions. Second operand has 20 states, 20 states have (on average 7.5) internal successors, (150), 17 states have internal predecessors, (150), 6 states have call successors, (33), 10 states have call predecessors, (33), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-17 15:08:00,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:00,491 INFO L93 Difference]: Finished difference Result 3397 states and 4978 transitions. [2021-12-17 15:08:00,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-17 15:08:00,491 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.5) internal successors, (150), 17 states have internal predecessors, (150), 6 states have call successors, (33), 10 states have call predecessors, (33), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 146 [2021-12-17 15:08:00,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:00,503 INFO L225 Difference]: With dead ends: 3397 [2021-12-17 15:08:00,503 INFO L226 Difference]: Without dead ends: 2554 [2021-12-17 15:08:00,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 316 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=691, Invalid=2065, Unknown=0, NotChecked=0, Total=2756 [2021-12-17 15:08:00,507 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1078 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:00,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1094 Valid, 1228 Invalid, 2791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 15:08:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2021-12-17 15:08:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 1447. [2021-12-17 15:08:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1099 states have (on average 1.200181983621474) internal successors, (1319), 1168 states have internal predecessors, (1319), 183 states have call successors, (183), 159 states have call predecessors, (183), 164 states have return successors, (288), 164 states have call predecessors, (288), 183 states have call successors, (288) [2021-12-17 15:08:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1790 transitions. [2021-12-17 15:08:00,665 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1790 transitions. Word has length 146 [2021-12-17 15:08:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:00,665 INFO L470 AbstractCegarLoop]: Abstraction has 1447 states and 1790 transitions. [2021-12-17 15:08:00,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.5) internal successors, (150), 17 states have internal predecessors, (150), 6 states have call successors, (33), 10 states have call predecessors, (33), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-17 15:08:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1790 transitions. [2021-12-17 15:08:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-17 15:08:00,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:00,683 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 15:08:00,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 15:08:00,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:00,884 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:00,885 INFO L85 PathProgramCache]: Analyzing trace with hash 940428863, now seen corresponding path program 1 times [2021-12-17 15:08:00,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:00,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381513921] [2021-12-17 15:08:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:00,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:08:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:08:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:08:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:08:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-17 15:08:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-17 15:08:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:08:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 15:08:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-17 15:08:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-17 15:08:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-17 15:08:00,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:00,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381513921] [2021-12-17 15:08:00,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381513921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:00,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:00,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 15:08:00,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605724060] [2021-12-17 15:08:00,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:00,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 15:08:00,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:00,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 15:08:00,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:08:00,999 INFO L87 Difference]: Start difference. First operand 1447 states and 1790 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-17 15:08:01,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:01,401 INFO L93 Difference]: Finished difference Result 2134 states and 2586 transitions. [2021-12-17 15:08:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 15:08:01,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 146 [2021-12-17 15:08:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:01,402 INFO L225 Difference]: With dead ends: 2134 [2021-12-17 15:08:01,403 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:08:01,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-12-17 15:08:01,406 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 244 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:01,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 309 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 15:08:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:08:01,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:08:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:08:01,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2021-12-17 15:08:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:01,408 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:08:01,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-17 15:08:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:08:01,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:08:01,410 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:08:01,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 15:08:01,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:08:08,978 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 862 869) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1))) [2021-12-17 15:08:08,978 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 862 869) no Hoare annotation was computed. [2021-12-17 15:08:08,978 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 862 869) no Hoare annotation was computed. [2021-12-17 15:08:08,978 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 777 783) no Hoare annotation was computed. [2021-12-17 15:08:08,978 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 777 783) the Hoare annotation is: true [2021-12-17 15:08:08,979 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= 0 ~systemActive~0) .cse0 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))) (or .cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse4))) [2021-12-17 15:08:08,979 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:08:08,979 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:08:08,979 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-12-17 15:08:08,980 INFO L854 garLoopResultBuilder]: At program point L960(lines 945 963) the Hoare annotation is: (let ((.cse15 (= 0 ~waterLevel~0))) (let ((.cse16 (not .cse15))) (let ((.cse14 (not (= ~systemActive~0 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (or (and .cse16 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse15 (= |timeShift_isLowWaterSensorDry_#res#1| 1)))) (.cse7 (or (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse15) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) .cse16))) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~methAndRunningLastTime~0 0) .cse10) .cse11) (or .cse2 .cse12 .cse13 .cse11) (or .cse2 .cse3 .cse12 .cse14) (or .cse2 .cse12 .cse13 .cse14) (or .cse0 .cse1 .cse2 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse13) (or .cse2 .cse3 .cse12 .cse11))))) [2021-12-17 15:08:08,981 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= ~systemActive~0 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 (= ~methAndRunningLastTime~0 0) .cse6) .cse7) (or .cse2 .cse8 .cse9 .cse7) (or .cse0 .cse1 .cse2 (and .cse4 .cse5 .cse6) .cse9) (or .cse2 .cse3 .cse8 .cse10) (or .cse2 .cse8 .cse9 .cse10) (or .cse2 .cse3 .cse8 .cse7))) [2021-12-17 15:08:08,981 INFO L854 garLoopResultBuilder]: At program point L886(lines 881 889) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse1 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= ~systemActive~0 0))) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and .cse14 .cse1 .cse2 .cse3 .cse4)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (and .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse6 .cse9 .cse10) (or .cse0 .cse6 .cse11 .cse7) (or .cse12 .cse13 .cse0 .cse5 (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse14 .cse1 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4) .cse15 .cse10) (or .cse12 .cse13 .cse0 .cse11) (or .cse0 .cse8 .cse5 .cse6 .cse15 .cse10) (or .cse6 .cse11 .cse9 .cse10)))) [2021-12-17 15:08:08,981 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1016) no Hoare annotation was computed. [2021-12-17 15:08:08,981 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2021-12-17 15:08:08,981 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (let ((.cse12 (= 0 ~waterLevel~0))) (or (and (not .cse12) (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse12 (= |timeShift_isLowWaterSensorDry_#res#1| 1))))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2 (and .cse6 .cse7 .cse8 .cse9)) (or .cse0 .cse10 .cse1 .cse11) (or .cse0 .cse1 .cse2 .cse11) (or .cse4 .cse5 .cse0 .cse10 (and .cse6 .cse7 .cse8 (= ~methAndRunningLastTime~0 0) .cse9) .cse3) (or .cse0 .cse10 .cse1 .cse3))) [2021-12-17 15:08:08,981 INFO L854 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse1 .cse6 .cse5) (or .cse7 .cse8 .cse4 .cse0 .cse3) (or .cse7 .cse8 .cse4 .cse6) (or .cse1 .cse6 .cse2 .cse3))) [2021-12-17 15:08:08,982 INFO L854 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~systemActive~0 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse6 (let ((.cse10 (= 0 ~waterLevel~0))) (let ((.cse9 (not .cse10))) (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= ~waterLevel~0 1) (or (and .cse9 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse10 (= |timeShift_isLowWaterSensorDry_#res#1| 1))) (or (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse10) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) .cse9)) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse8) (or .cse0 .cse1 .cse2 .cse8) (or .cse4 .cse5 .cse0 .cse7 .cse6 .cse3) (or .cse0 .cse7 .cse1 .cse3))) [2021-12-17 15:08:08,982 INFO L854 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse14 (= 0 ~systemActive~0)) (.cse30 (= 0 ~waterLevel~0))) (let ((.cse29 (+ ~waterLevel~0 1)) (.cse31 (not .cse30)) (.cse27 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse24 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse28 (not .cse14)) (.cse22 (= ~pumpRunning~0 0)) (.cse32 (<= 1 ~methaneLevelCritical~0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not .cse32)) (.cse23 (and .cse2 .cse24 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5 .cse32 .cse28 .cse22)) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse2 .cse24 .cse3)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= ~systemActive~0 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (and .cse24 .cse27 .cse4 .cse5 .cse28)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse16 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse19 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse11 (not .cse27)) (.cse18 (or (and .cse31 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse30 (= |timeShift_isLowWaterSensorDry_#res#1| 1)))) (.cse20 (or (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse30) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) .cse31))) (.cse17 (<= ~waterLevel~0 1)) (.cse21 (<= |old(~waterLevel~0)| .cse29))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or .cse9 .cse1 .cse10 .cse7 .cse11 .cse12) (or .cse9 .cse6 .cse7 .cse13 .cse12) (or .cse0 .cse14 .cse1 (and .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) .cse6 .cse23 .cse12) (or (and .cse2 .cse24 .cse22) .cse6 .cse7 .cse13 .cse8) (or .cse0 .cse14 .cse1 .cse6 .cse23 .cse7 .cse12) (or .cse9 .cse1 .cse7 .cse11 .cse8) (let ((.cse25 (let ((.cse26 (<= .cse29 |old(~waterLevel~0)|))) (or (and .cse26 .cse17 .cse18 .cse27 .cse20 .cse21 .cse28 .cse22) (and .cse26 .cse17 .cse27 .cse3 .cse21 .cse28 .cse22))))) (or .cse0 .cse14 .cse1 .cse10 (and .cse15 .cse16 .cse25 .cse19) .cse11 (and .cse25 .cse3))))))) [2021-12-17 15:08:08,983 INFO L858 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2021-12-17 15:08:08,983 INFO L858 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-12-17 15:08:08,983 INFO L854 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (= 0 ~systemActive~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (and .cse13 .cse5 .cse6 .cse7 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse9)) (.cse4 (not .cse13)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or (and .cse5 .cse6 .cse7) .cse2 .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse8) (or .cse0 .cse1 .cse2 (and .cse6 (= ~methAndRunningLastTime~0 0) .cse9) .cse8) (or .cse10 .cse11 .cse0 (and .cse7 .cse9) .cse1 .cse8) (or .cse10 .cse11 .cse0 .cse12 (and (<= ~waterLevel~0 1) .cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse9) .cse4) (or .cse10 .cse0 .cse2 .cse12 .cse4 .cse8)))) [2021-12-17 15:08:08,983 INFO L854 garLoopResultBuilder]: At program point L830-1(lines 811 835) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0)) (.cse25 (= 0 ~waterLevel~0))) (let ((.cse24 (+ ~waterLevel~0 1)) (.cse26 (not .cse25)) (.cse22 (= ~methaneLevelCritical~0 0)) (.cse28 (<= 2 ~waterLevel~0)) (.cse29 (<= ~waterLevel~0 2)) (.cse23 (not .cse8)) (.cse16 (= ~pumpRunning~0 0)) (.cse31 (<= 1 ~methaneLevelCritical~0)) (.cse30 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse27 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse30 .cse27 .cse20)) (.cse18 (not (= ~systemActive~0 0))) (.cse6 (not .cse31)) (.cse17 (and .cse30 .cse27 .cse20 .cse28 (= ~methAndRunningLastTime~0 0) .cse29 .cse31 .cse23 .cse16)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and .cse27 .cse22 .cse28 .cse29 .cse23)) (.cse9 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse13 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse4 (not .cse22)) (.cse12 (or (and .cse26 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse25 (= |timeShift_isLowWaterSensorDry_#res#1| 1)))) (.cse14 (or (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse25) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) .cse26))) (.cse11 (<= ~waterLevel~0 1)) (.cse15 (<= |old(~waterLevel~0)| .cse24))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse5) (or .cse7 .cse8 .cse1 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse6 .cse17 .cse5) (or .cse1 .cse6 .cse3 .cse18) (or .cse1 .cse3 .cse4 .cse18) (or .cse7 .cse1 .cse6 .cse17 .cse3 .cse5) (let ((.cse19 (let ((.cse21 (<= .cse24 |old(~waterLevel~0)|))) (or (and .cse21 .cse11 .cse12 .cse22 .cse14 .cse15 .cse23 .cse16) (and .cse21 .cse11 .cse22 .cse20 .cse15 .cse23 .cse16))))) (or .cse7 .cse8 .cse1 .cse2 (and .cse9 .cse10 .cse19 .cse13) .cse4 (and .cse19 .cse20))))))) [2021-12-17 15:08:08,984 INFO L858 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2021-12-17 15:08:08,984 INFO L858 garLoopResultBuilder]: For program point L954(lines 954 958) no Hoare annotation was computed. [2021-12-17 15:08:08,984 INFO L858 garLoopResultBuilder]: For program point L954-2(lines 954 958) no Hoare annotation was computed. [2021-12-17 15:08:08,984 INFO L854 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse4 .cse1 .cse6 .cse5) (or .cse7 .cse8 .cse4 .cse0 .cse3) (or .cse7 .cse8 .cse4 .cse6) (or .cse1 .cse6 .cse2 .cse3))) [2021-12-17 15:08:08,984 INFO L858 garLoopResultBuilder]: For program point L757-1(lines 756 775) no Hoare annotation was computed. [2021-12-17 15:08:08,985 INFO L858 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2021-12-17 15:08:08,985 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1019) no Hoare annotation was computed. [2021-12-17 15:08:08,985 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (let ((.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse14 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2))) (let ((.cse11 (not (= ~systemActive~0 0))) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (and .cse12 .cse2 .cse3 .cse5)) (.cse16 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (and .cse13 .cse4 .cse14)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or .cse0 .cse6 .cse9 .cse7 .cse10 .cse11) (or (and .cse12 .cse13 .cse14) .cse7 .cse10 .cse15 .cse11) (or .cse10 .cse16 .cse17 .cse15 .cse8) (or (and .cse12 .cse13 .cse2) .cse6 .cse10 .cse16 .cse11) (or .cse0 .cse1 .cse6 .cse9 .cse16) (or .cse7 .cse10 .cse17 .cse15 .cse8)))) [2021-12-17 15:08:08,985 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 832) no Hoare annotation was computed. [2021-12-17 15:08:08,985 INFO L858 garLoopResultBuilder]: For program point L1005(lines 1005 1022) no Hoare annotation was computed. [2021-12-17 15:08:08,986 INFO L854 garLoopResultBuilder]: At program point L1005-1(lines 997 1025) the Hoare annotation is: (let ((.cse28 (= 0 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse25 (<= 1 ~methaneLevelCritical~0)) (.cse27 (= ~methaneLevelCritical~0 0)) (.cse26 (<= 2 ~waterLevel~0)) (.cse17 (not .cse1)) (.cse10 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (.cse21 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse29 (not .cse28))) (let ((.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse8 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse11 (or (and .cse29 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (and .cse28 (= |timeShift_isLowWaterSensorDry_#res#1| 1)))) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (or (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse28) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) .cse29))) (.cse9 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse14 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse23 (not (= ~systemActive~0 0))) (.cse24 (and .cse10 .cse21 .cse15 .cse16)) (.cse5 (and .cse10 .cse27 .cse21 .cse26 .cse15 .cse17)) (.cse6 (not .cse27)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse19 (and .cse21 .cse3 .cse26 .cse15 (<= ~waterLevel~0 2) .cse25 .cse17 .cse16)) (.cse18 (not .cse25)) (.cse22 (not (= |old(~pumpRunning~0)| 0))) (.cse20 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse4 (or (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse10 .cse12 .cse3 .cse14 .cse15 .cse16)))) (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse4))) (or .cse0 (and .cse7 .cse8 .cse11 .cse12 .cse13 .cse9 .cse15 .cse14 .cse17 .cse16) .cse1 .cse2 .cse18 .cse19 .cse20) (or (and .cse21 .cse3 .cse15) .cse2 .cse18 .cse22 .cse23) (or .cse2 .cse24 .cse22 .cse6 .cse23) (or .cse2 .cse24 .cse22 .cse5 .cse6 .cse20) (or .cse0 .cse1 .cse2 .cse18 .cse19 .cse22 .cse20) (or .cse1 (and .cse21 .cse15 .cse17 .cse16) .cse18 .cse22 (not (<= |old(~waterLevel~0)| 1)) .cse20))))) [2021-12-17 15:08:08,986 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2021-12-17 15:08:08,986 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 165) no Hoare annotation was computed. [2021-12-17 15:08:08,986 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 15:08:08,986 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2021-12-17 15:08:08,986 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 172 201) the Hoare annotation is: true [2021-12-17 15:08:08,987 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-12-17 15:08:08,987 INFO L861 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2021-12-17 15:08:08,987 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-12-17 15:08:08,987 INFO L861 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2021-12-17 15:08:08,987 INFO L861 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2021-12-17 15:08:08,987 INFO L858 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2021-12-17 15:08:08,988 INFO L861 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2021-12-17 15:08:08,988 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2021-12-17 15:08:08,988 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2021-12-17 15:08:08,988 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2021-12-17 15:08:08,989 INFO L861 garLoopResultBuilder]: At program point L374(lines 311 378) the Hoare annotation is: true [2021-12-17 15:08:08,989 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2021-12-17 15:08:08,989 INFO L858 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2021-12-17 15:08:08,989 INFO L854 garLoopResultBuilder]: At program point L304(lines 299 307) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:08,989 INFO L854 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:08:08,989 INFO L854 garLoopResultBuilder]: At program point L296(lines 292 298) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:08,989 INFO L854 garLoopResultBuilder]: At program point L994(lines 989 996) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:08,990 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:08:08,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:08:08,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:08:08,990 INFO L854 garLoopResultBuilder]: At program point L371(lines 320 372) the Hoare annotation is: false [2021-12-17 15:08:08,990 INFO L854 garLoopResultBuilder]: At program point L970(line 970) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~methaneLevelCritical~0) .cse5))) [2021-12-17 15:08:08,990 INFO L854 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:08,990 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-12-17 15:08:08,990 INFO L854 garLoopResultBuilder]: At program point L359-2(lines 351 366) the Hoare annotation is: (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse11 (= ~systemActive~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse8 .cse5 .cse9) (and .cse0 .cse2 .cse10 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse2 .cse10 .cse3 .cse6) (and .cse0 .cse2 .cse10 .cse3 .cse4 .cse8 .cse6) (and .cse0 .cse11 .cse2 .cse3 .cse8 .cse5 .cse6) (and .cse0 .cse2 .cse10 .cse3 .cse7 .cse8 .cse6))) [2021-12-17 15:08:08,991 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 267) no Hoare annotation was computed. [2021-12-17 15:08:08,991 INFO L858 garLoopResultBuilder]: For program point L322(lines 321 370) no Hoare annotation was computed. [2021-12-17 15:08:08,991 INFO L858 garLoopResultBuilder]: For program point L260-2(lines 260 267) no Hoare annotation was computed. [2021-12-17 15:08:08,991 INFO L854 garLoopResultBuilder]: At program point L289(lines 285 291) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:08,991 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:08:08,991 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 366) no Hoare annotation was computed. [2021-12-17 15:08:08,991 INFO L854 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:08:08,991 INFO L861 garLoopResultBuilder]: At program point L244(lines 236 246) the Hoare annotation is: true [2021-12-17 15:08:08,992 INFO L854 garLoopResultBuilder]: At program point L368(lines 321 370) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:08:08,992 INFO L861 garLoopResultBuilder]: At program point L269(lines 250 272) the Hoare annotation is: true [2021-12-17 15:08:08,992 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2021-12-17 15:08:08,992 INFO L858 garLoopResultBuilder]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2021-12-17 15:08:08,992 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-12-17 15:08:08,992 INFO L854 garLoopResultBuilder]: At program point L984(lines 979 986) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse7 .cse8 .cse5))) [2021-12-17 15:08:08,992 INFO L854 garLoopResultBuilder]: At program point L976(lines 964 978) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (= 1 |ULTIMATE.start_main_~tmp~0#1|)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~methaneLevelCritical~0) .cse5))) [2021-12-17 15:08:08,992 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 974) no Hoare annotation was computed. [2021-12-17 15:08:08,992 INFO L858 garLoopResultBuilder]: For program point L968-1(lines 968 974) no Hoare annotation was computed. [2021-12-17 15:08:08,993 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 785 809) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse7 (not (= 0 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse4) (or .cse0 .cse7 .cse5 .cse6))) [2021-12-17 15:08:08,993 INFO L854 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= 0 ~waterLevel~0))) (.cse9 (and .cse11 .cse5 .cse7 (not .cse0) .cse6)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse0 (and .cse5 .cse7 .cse6) .cse8 .cse1 .cse4) (or .cse0 .cse8 .cse9 .cse10) (or .cse0 .cse9 .cse2 .cse3 .cse10)))) [2021-12-17 15:08:08,993 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2021-12-17 15:08:08,993 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-12-17 15:08:08,993 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-12-17 15:08:08,993 INFO L854 garLoopResultBuilder]: At program point L841(lines 836 843) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~waterLevel~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 2)) .cse4 .cse5) (or .cse0 .cse4 (<= 2 ~waterLevel~0) .cse2) (or .cse0 .cse1 .cse3 .cse5))) [2021-12-17 15:08:08,993 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= 0 ~waterLevel~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse2 .cse3 .cse7))) [2021-12-17 15:08:08,994 INFO L858 garLoopResultBuilder]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2021-12-17 15:08:08,994 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 785 809) no Hoare annotation was computed. [2021-12-17 15:08:08,994 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-12-17 15:08:08,994 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse11 (not (= 0 ~waterLevel~0))) (.cse9 (not .cse12)) (.cse10 (and .cse1 .cse12 .cse8 (not .cse0) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (or .cse0 .cse8 .cse6 .cse4 .cse9) (or .cse0 .cse2 .cse4 .cse9 .cse10) (or .cse0 (and .cse8 .cse7) .cse11 .cse3 .cse5) (or .cse0 .cse11 .cse9 .cse10)))) [2021-12-17 15:08:08,994 INFO L854 garLoopResultBuilder]: At program point L852-2(lines 845 861) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~waterLevel~0))) (.cse0 (= 0 ~systemActive~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse5 (not (<= ~waterLevel~0 2)) .cse3 .cse6 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse4 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|) (= ~pumpRunning~0 0))))) [2021-12-17 15:08:08,995 INFO L854 garLoopResultBuilder]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse8 (not (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not .cse9)) (.cse11 (not (= 0 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not .cse0)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) (not (<= ~waterLevel~0 1)) .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse0 (and .cse1 .cse2 .cse9 .cse10 .cse3 .cse4) .cse11 .cse12) (or .cse0 (and .cse10 (<= 2 ~waterLevel~0)) (and .cse1 .cse2 .cse9 .cse3 .cse4) .cse8 .cse6 .cse12) (or .cse0 .cse11 .cse5 .cse7 (and .cse1 .cse2 .cse10 .cse3 .cse4))))) [2021-12-17 15:08:08,995 INFO L854 garLoopResultBuilder]: At program point L877(lines 870 880) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (= 0 ~waterLevel~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse5 (= ~pumpRunning~0 0))) (or .cse0 .cse6 .cse7) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) .cse2 .cse3 .cse7) (or .cse0 .cse6 .cse1 .cse4))) [2021-12-17 15:08:08,995 INFO L854 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6 .cse7) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse5 .cse6 .cse2) (or .cse0 .cse1 .cse4 .cse7))) [2021-12-17 15:08:08,995 INFO L858 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2021-12-17 15:08:08,995 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-12-17 15:08:08,995 INFO L858 garLoopResultBuilder]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2021-12-17 15:08:08,995 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:08:08,995 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:08:08,996 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4 (not (<= |old(~waterLevel~0)| 1))) (or .cse1 .cse5 (not (<= 1 ~methaneLevelCritical~0)) .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse4))) [2021-12-17 15:08:08,999 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:09,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:08:09,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:08:09 BoogieIcfgContainer [2021-12-17 15:08:09,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:08:09,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:08:09,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:08:09,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:08:09,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:51" (3/4) ... [2021-12-17 15:08:09,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:08:09,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:08:09,057 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:08:09,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:08:09,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 15:08:09,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:08:09,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:08:09,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:08:09,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:08:09,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:09,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:09,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:09,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:09,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:09,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) || (((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && pumpRunning == 0) [2021-12-17 15:08:09,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) <= 2)) || ((((waterLevel == \old(waterLevel) && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((((1 <= tmp___0 && 1 <= tmp) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && 1 <= \result) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((waterLevel == \old(waterLevel) && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((1 <= tmp___0 && 1 <= tmp) && ((((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && methaneLevelCritical == 0) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0))) && 1 <= \result)) || !(methaneLevelCritical == 0)) || (((((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && methaneLevelCritical == 0) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0)) && pumpRunning == \old(pumpRunning))) [2021-12-17 15:08:09,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && 1 == tmp) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0) || (((((((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) [2021-12-17 15:08:09,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (pumpRunning == \old(pumpRunning) && (((((((tmp == 0 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0) || (((((tmp == 0 && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0)))) || (((((tmp == 0 && methaneLevelCritical == 0) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((1 <= tmp___0 && 1 <= tmp) && 1 <= \result) && (((((((tmp == 0 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0) || (((((tmp == 0 && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0)))) && ((((((!(2 <= \old(waterLevel)) || (((((((((1 <= tmp___0 && 1 <= tmp) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((((0 == systemActive || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || ((methaneLevelCritical <= \result && 2 <= waterLevel) && pumpRunning == 0)) && ((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) || ((((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(waterLevel) <= 2) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((((((waterLevel <= 1 && \result == 0) && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((((((1 <= tmp___0 && tmp == 0) && 1 <= tmp) && waterLevel <= 1) && \result == 0) && 1 <= \result) && \result == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 0)) || (((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0))) && (((((!(\old(waterLevel) <= 2) || ((((waterLevel <= 1 && \result == 0) && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || (((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((waterLevel <= 1 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || (((methaneLevelCritical <= \result && 2 <= waterLevel) && methaneLevelCritical <= tmp) && pumpRunning == 0)) [2021-12-17 15:08:09,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == systemActive || \result == 1) || !(waterLevel <= 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || pumpRunning == 0)) && ((((0 == systemActive || pumpRunning == \old(pumpRunning)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((((\result == 1 && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) || ((((\result == 1 && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) [2021-12-17 15:08:09,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:08:09,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((1 <= tmp___0 && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:08:09,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == systemActive || (((\result == 0 && tmp___0 == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(waterLevel <= 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || pumpRunning == 0)) && (((0 == systemActive || (((((\result == 0 && tmp___0 == 0) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) || !(0 == waterLevel)) || !(methaneLevelCritical == 0))) && (((((0 == systemActive || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((\result == 0 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || ((((\result == 0 && tmp___0 == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) [2021-12-17 15:08:09,115 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:08:09,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:08:09,115 INFO L158 Benchmark]: Toolchain (without parser) took 18024.72ms. Allocated memory was 138.4MB in the beginning and 325.1MB in the end (delta: 186.6MB). Free memory was 79.3MB in the beginning and 123.6MB in the end (delta: -44.4MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,116 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:08:09,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.16ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 105.6MB in the end (delta: -26.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.28ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,117 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,117 INFO L158 Benchmark]: RCFGBuilder took 430.04ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 84.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,117 INFO L158 Benchmark]: TraceAbstraction took 17102.12ms. Allocated memory was 138.4MB in the beginning and 325.1MB in the end (delta: 186.6MB). Free memory was 83.6MB in the beginning and 131.0MB in the end (delta: -47.4MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,117 INFO L158 Benchmark]: Witness Printer took 70.45ms. Allocated memory is still 325.1MB. Free memory was 131.0MB in the beginning and 123.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:08:09,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.16ms. Allocated memory is still 138.4MB. Free memory was 79.1MB in the beginning and 105.6MB in the end (delta: -26.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.28ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.04ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 84.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17102.12ms. Allocated memory was 138.4MB in the beginning and 325.1MB in the end (delta: 186.6MB). Free memory was 83.6MB in the beginning and 131.0MB in the end (delta: -47.4MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. * Witness Printer took 70.45ms. Allocated memory is still 325.1MB. Free memory was 131.0MB in the beginning and 123.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3663 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3619 mSDsluCounter, 5398 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3553 mSDsCounter, 1490 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4588 IncrementalHoareTripleChecker+Invalid, 6078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1490 mSolverCounterUnsat, 1845 mSDtfsCounter, 4588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1090 GetRequests, 906 SyntacticMatches, 10 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1447occurred in iteration=13, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1400 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 3062 PreInvPairs, 3386 NumberOfFragments, 4821 HoareAnnotationTreeSize, 3062 FomulaSimplifications, 1082 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 41479 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1437 NumberOfCodeBlocks, 1437 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 3587 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2084 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 743/815 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: 285]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || ((methaneLevelCritical <= \result && 2 <= waterLevel) && pumpRunning == 0)) && ((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) || (((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && pumpRunning == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((1 <= tmp___0 && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((1 <= tmp___0 && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) <= 2) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) && ((((((((waterLevel <= 1 && \result == 0) && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((((((1 <= tmp___0 && tmp == 0) && 1 <= tmp) && waterLevel <= 1) && \result == 0) && 1 <= \result) && \result == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 0)) || (((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0))) && (((((!(\old(waterLevel) <= 2) || ((((waterLevel <= 1 && \result == 0) && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || (((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0)) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((((((((0 == systemActive || (((\result == 0 && tmp___0 == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(waterLevel <= 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || pumpRunning == 0)) && (((0 == systemActive || (((((\result == 0 && tmp___0 == 0) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) || !(0 == waterLevel)) || !(methaneLevelCritical == 0))) && (((((0 == systemActive || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((\result == 0 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) || ((((\result == 0 && tmp___0 == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((waterLevel <= 1 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || (((methaneLevelCritical <= \result && 2 <= waterLevel) && methaneLevelCritical <= tmp) && pumpRunning == 0)) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((((((0 == systemActive || \result == 1) || !(waterLevel <= 1)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((0 == systemActive || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || pumpRunning == 0)) && ((((0 == systemActive || pumpRunning == \old(pumpRunning)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((((\result == 1 && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0))) && ((((0 == systemActive || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(0 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((0 == systemActive || !(0 == waterLevel)) || !(methaneLevelCritical == 0)) || ((((\result == 1 && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) && pumpRunning == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && waterLevel <= 1) && 1 == \result) && 1 == tmp) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0) || (((((((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && methAndRunningLastTime == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && methaneLevelCritical == 0) && 1 == tmp) && waterLevel <= 2) && pumpRunning == 0) || ((((((splverifierCounter == 0 && systemActive == 0) && 1 == \result) && 1 == tmp) && waterLevel <= 2) && 1 <= methaneLevelCritical) && pumpRunning == 0) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (pumpRunning == \old(pumpRunning) && (((((((tmp == 0 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0) || (((((tmp == 0 && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0)))) || (((((tmp == 0 && methaneLevelCritical == 0) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((1 <= tmp___0 && 1 <= tmp) && 1 <= \result) && (((((((tmp == 0 && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0) || (((((tmp == 0 && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && methAndRunningLastTime == 0) && pumpRunning == 0)))) && ((((((!(2 <= \old(waterLevel)) || (((((((((1 <= tmp___0 && 1 <= tmp) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && waterLevel <= 1) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && 1 <= \result) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && methAndRunningLastTime == 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && waterLevel == \old(waterLevel)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((((0 == systemActive || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: ((((((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) <= 2)) || ((((waterLevel == \old(waterLevel) && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(methAndRunningLastTime) == 0)) && ((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((((1 <= tmp___0 && 1 <= tmp) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && 1 <= \result) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && (((!(\old(waterLevel) <= 2) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 <= methaneLevelCritical)) || ((((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && 2 <= waterLevel) && methAndRunningLastTime == 0) && waterLevel <= 2) && 1 <= methaneLevelCritical) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0))) && ((((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((waterLevel == \old(waterLevel) && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((1 <= tmp___0 && 1 <= tmp) && ((((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && methaneLevelCritical == 0) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0))) && 1 <= \result)) || !(methaneLevelCritical == 0)) || (((((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && ((!(0 == waterLevel) && \result == 0) || (0 == waterLevel && \result == 1))) && methaneLevelCritical == 0) && ((tmp == 1 && 0 == waterLevel) || (tmp == 0 && !(0 == waterLevel)))) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0) || ((((((waterLevel + 1 <= \old(waterLevel) && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && pumpRunning == 0)) && pumpRunning == \old(pumpRunning))) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:08:09,178 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