./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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_spec5_product58.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 db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:10:00,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:10:00,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:10:00,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:10:00,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:10:00,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:10:00,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:10:00,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:10:00,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:10:00,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:10:00,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:10:00,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:10:00,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:10:00,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:10:00,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:10:00,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:10:00,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:10:00,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:10:00,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:10:00,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:10:00,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:10:00,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:10:00,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:10:00,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:10:00,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:10:00,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:10:00,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:10:00,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:10:00,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:10:00,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:10:00,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:10:00,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:10:00,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:10:00,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:10:00,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:10:00,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:10:00,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:10:00,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:10:00,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:10:00,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:10:00,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:10:00,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:10:00,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:10:00,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:10:00,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:10:00,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:10:00,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:10:00,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:10:00,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:10:00,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:10:00,160 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:10:00,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:10:00,161 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:10:00,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:10:00,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:10:00,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:10:00,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:10:00,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:10:00,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:10:00,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:10:00,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:10:00,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:00,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:10:00,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:10:00,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:10:00,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:10:00,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2021-12-17 15:10:00,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:10:00,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:10:00,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:10:00,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:10:00,396 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:10:00,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-12-17 15:10:00,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b312461d2/8ded84c032a349398c121dd36e924cf0/FLAG3bc7e5a07 [2021-12-17 15:10:00,860 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:10:00,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-12-17 15:10:00,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b312461d2/8ded84c032a349398c121dd36e924cf0/FLAG3bc7e5a07 [2021-12-17 15:10:01,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b312461d2/8ded84c032a349398c121dd36e924cf0 [2021-12-17 15:10:01,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:10:01,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:10:01,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:01,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:10:01,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:10:01,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554fab20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01, skipping insertion in model container [2021-12-17 15:10:01,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:10:01,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:10:01,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-12-17 15:10:01,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:01,541 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:10:01,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-12-17 15:10:01,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:10:01,639 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:10:01,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01 WrapperNode [2021-12-17 15:10:01,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:10:01,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:01,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:10:01,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:10:01,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,680 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 288 [2021-12-17 15:10:01,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:10:01,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:10:01,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:10:01,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:10:01,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:10:01,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:10:01,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:10:01,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:10:01,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (1/1) ... [2021-12-17 15:10:01,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:10:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:01,747 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 15:10:01,748 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 15:10:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:10:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:10:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:10:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:10:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:10:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:10:01,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:10:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:10:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:10:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:10:01,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:10:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:10:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:10:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:10:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:10:01,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:10:01,839 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:10:01,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:10:02,059 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:10:02,064 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:10:02,064 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:10:02,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:02 BoogieIcfgContainer [2021-12-17 15:10:02,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:10:02,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:10:02,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:10:02,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:10:02,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:10:01" (1/3) ... [2021-12-17 15:10:02,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb6135a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:02, skipping insertion in model container [2021-12-17 15:10:02,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:10:01" (2/3) ... [2021-12-17 15:10:02,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb6135a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:10:02, skipping insertion in model container [2021-12-17 15:10:02,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:02" (3/3) ... [2021-12-17 15:10:02,071 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2021-12-17 15:10:02,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:10:02,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:10:02,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:10:02,109 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 15:10:02,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:10:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.368421052631579) internal successors, (104), 84 states have internal predecessors, (104), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-17 15:10:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:10:02,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:02,133 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:02,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:02,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash -716350399, now seen corresponding path program 1 times [2021-12-17 15:10:02,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:02,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056008263] [2021-12-17 15:10:02,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:02,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:10:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:10:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,346 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 15:10:02,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:02,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056008263] [2021-12-17 15:10:02,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056008263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:02,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:02,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:10:02,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146562710] [2021-12-17 15:10:02,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:02,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:10:02,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:10:02,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:10:02,382 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.368421052631579) internal successors, (104), 84 states have internal predecessors, (104), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:02,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:02,421 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2021-12-17 15:10:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:10:02,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:10:02,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:02,431 INFO L225 Difference]: With dead ends: 185 [2021-12-17 15:10:02,431 INFO L226 Difference]: Without dead ends: 88 [2021-12-17 15:10:02,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:10:02,438 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:02,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-17 15:10:02,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-17 15:10:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 76 states have internal predecessors, (90), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 15:10:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2021-12-17 15:10:02,485 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2021-12-17 15:10:02,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:02,485 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2021-12-17 15:10:02,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-12-17 15:10:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:10:02,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:02,491 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:02,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:10:02,492 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:02,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:02,493 INFO L85 PathProgramCache]: Analyzing trace with hash 407802526, now seen corresponding path program 1 times [2021-12-17 15:10:02,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:02,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139540649] [2021-12-17 15:10:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:02,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:10:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:10:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,572 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 15:10:02,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:02,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139540649] [2021-12-17 15:10:02,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139540649] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:02,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:02,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:10:02,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251717659] [2021-12-17 15:10:02,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:02,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:10:02,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:10:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:02,576 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:02,604 INFO L93 Difference]: Finished difference Result 140 states and 180 transitions. [2021-12-17 15:10:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:10:02,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:10:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:02,606 INFO L225 Difference]: With dead ends: 140 [2021-12-17 15:10:02,607 INFO L226 Difference]: Without dead ends: 79 [2021-12-17 15:10:02,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:02,609 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 183 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 15:10:02,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-17 15:10:02,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-17 15:10:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 70 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:10:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-17 15:10:02,620 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2021-12-17 15:10:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:02,621 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-17 15:10:02,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:10:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-17 15:10:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:10:02,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:02,624 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] [2021-12-17 15:10:02,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:10:02,624 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:02,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1999351370, now seen corresponding path program 1 times [2021-12-17 15:10:02,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:02,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122479138] [2021-12-17 15:10:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:02,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:10:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,722 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 15:10:02,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:02,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122479138] [2021-12-17 15:10:02,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122479138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:02,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:02,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:02,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949364098] [2021-12-17 15:10:02,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:02,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:02,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:02,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:02,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:02,725 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:02,776 INFO L93 Difference]: Finished difference Result 150 states and 195 transitions. [2021-12-17 15:10:02,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:10:02,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-17 15:10:02,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:02,777 INFO L225 Difference]: With dead ends: 150 [2021-12-17 15:10:02,777 INFO L226 Difference]: Without dead ends: 79 [2021-12-17 15:10:02,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:02,778 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 124 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:02,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-17 15:10:02,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-17 15:10:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:10:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2021-12-17 15:10:02,786 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 38 [2021-12-17 15:10:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:02,787 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2021-12-17 15:10:02,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2021-12-17 15:10:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-17 15:10:02,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:02,788 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] [2021-12-17 15:10:02,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:10:02,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:02,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:02,789 INFO L85 PathProgramCache]: Analyzing trace with hash 879947394, now seen corresponding path program 1 times [2021-12-17 15:10:02,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:02,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326912189] [2021-12-17 15:10:02,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:02,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-17 15:10:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,830 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 15:10:02,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:02,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326912189] [2021-12-17 15:10:02,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326912189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:02,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:02,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:10:02,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966212809] [2021-12-17 15:10:02,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:02,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:10:02,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:10:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:02,833 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:02,856 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2021-12-17 15:10:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:10:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2021-12-17 15:10:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:02,857 INFO L225 Difference]: With dead ends: 199 [2021-12-17 15:10:02,858 INFO L226 Difference]: Without dead ends: 128 [2021-12-17 15:10:02,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:10:02,859 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 59 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:02,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 176 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:10:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-12-17 15:10:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-12-17 15:10:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 107 states have internal predecessors, (127), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-17 15:10:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 159 transitions. [2021-12-17 15:10:02,871 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 159 transitions. Word has length 46 [2021-12-17 15:10:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:02,871 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 159 transitions. [2021-12-17 15:10:02,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:10:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2021-12-17 15:10:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 15:10:02,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:02,873 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] [2021-12-17 15:10:02,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:10:02,873 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:02,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2106872253, now seen corresponding path program 1 times [2021-12-17 15:10:02,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:02,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835690787] [2021-12-17 15:10:02,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:02,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:10:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-17 15:10:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:10:02,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:02,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835690787] [2021-12-17 15:10:02,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835690787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:02,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:02,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:10:02,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291660246] [2021-12-17 15:10:02,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:02,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:10:02,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:10:02,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:02,974 INFO L87 Difference]: Start difference. First operand 126 states and 159 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:10:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:03,201 INFO L93 Difference]: Finished difference Result 280 states and 355 transitions. [2021-12-17 15:10:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:10:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2021-12-17 15:10:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:03,203 INFO L225 Difference]: With dead ends: 280 [2021-12-17 15:10:03,203 INFO L226 Difference]: Without dead ends: 162 [2021-12-17 15:10:03,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:10:03,205 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 119 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:03,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 470 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:10:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-17 15:10:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 148. [2021-12-17 15:10:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-17 15:10:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 185 transitions. [2021-12-17 15:10:03,240 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 185 transitions. Word has length 54 [2021-12-17 15:10:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:03,240 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 185 transitions. [2021-12-17 15:10:03,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:10:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2021-12-17 15:10:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:10:03,241 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:03,242 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] [2021-12-17 15:10:03,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:10:03,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:03,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:03,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1055316791, now seen corresponding path program 1 times [2021-12-17 15:10:03,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:03,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818943917] [2021-12-17 15:10:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:03,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-17 15:10:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,300 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 15:10:03,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:03,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818943917] [2021-12-17 15:10:03,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818943917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:03,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:03,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:10:03,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543527716] [2021-12-17 15:10:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:03,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:10:03,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:10:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:10:03,302 INFO L87 Difference]: Start difference. First operand 148 states and 185 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:03,413 INFO L93 Difference]: Finished difference Result 298 states and 383 transitions. [2021-12-17 15:10:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:03,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-17 15:10:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:03,415 INFO L225 Difference]: With dead ends: 298 [2021-12-17 15:10:03,415 INFO L226 Difference]: Without dead ends: 158 [2021-12-17 15:10:03,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:03,416 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 71 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:03,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 377 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:03,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-12-17 15:10:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 151. [2021-12-17 15:10:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-17 15:10:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2021-12-17 15:10:03,436 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 56 [2021-12-17 15:10:03,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:03,436 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2021-12-17 15:10:03,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-12-17 15:10:03,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:10:03,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:03,437 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] [2021-12-17 15:10:03,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:10:03,437 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:03,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:03,438 INFO L85 PathProgramCache]: Analyzing trace with hash -750121543, now seen corresponding path program 1 times [2021-12-17 15:10:03,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:03,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66587234] [2021-12-17 15:10:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:03,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-17 15:10:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,481 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 15:10:03,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:03,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66587234] [2021-12-17 15:10:03,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66587234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:03,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:03,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:03,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774880728] [2021-12-17 15:10:03,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:03,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:03,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:03,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:03,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:03,483 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:03,559 INFO L93 Difference]: Finished difference Result 304 states and 388 transitions. [2021-12-17 15:10:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:10:03,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-17 15:10:03,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:03,561 INFO L225 Difference]: With dead ends: 304 [2021-12-17 15:10:03,561 INFO L226 Difference]: Without dead ends: 161 [2021-12-17 15:10:03,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:03,562 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 73 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:03,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 296 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-17 15:10:03,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2021-12-17 15:10:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 129 states have internal predecessors, (151), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-17 15:10:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 190 transitions. [2021-12-17 15:10:03,570 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 190 transitions. Word has length 56 [2021-12-17 15:10:03,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:03,570 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 190 transitions. [2021-12-17 15:10:03,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2021-12-17 15:10:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:10:03,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:03,571 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] [2021-12-17 15:10:03,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:10:03,571 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash -609572933, now seen corresponding path program 1 times [2021-12-17 15:10:03,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:03,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200788481] [2021-12-17 15:10:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:03,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:10:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:10:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-17 15:10:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,654 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 15:10:03,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:03,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200788481] [2021-12-17 15:10:03,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200788481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:03,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:03,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:10:03,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526683019] [2021-12-17 15:10:03,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:03,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:10:03,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:03,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:10:03,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:10:03,657 INFO L87 Difference]: Start difference. First operand 153 states and 190 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:03,819 INFO L93 Difference]: Finished difference Result 430 states and 556 transitions. [2021-12-17 15:10:03,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:10:03,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2021-12-17 15:10:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:03,822 INFO L225 Difference]: With dead ends: 430 [2021-12-17 15:10:03,822 INFO L226 Difference]: Without dead ends: 285 [2021-12-17 15:10:03,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:10:03,823 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 213 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:03,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 320 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-12-17 15:10:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2021-12-17 15:10:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 219 states have (on average 1.2191780821917808) internal successors, (267), 231 states have internal predecessors, (267), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2021-12-17 15:10:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 354 transitions. [2021-12-17 15:10:03,850 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 354 transitions. Word has length 56 [2021-12-17 15:10:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:03,856 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 354 transitions. [2021-12-17 15:10:03,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:10:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 354 transitions. [2021-12-17 15:10:03,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 15:10:03,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:03,858 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 15:10:03,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:10:03,858 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:03,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1449050389, now seen corresponding path program 1 times [2021-12-17 15:10:03,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:03,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764874953] [2021-12-17 15:10:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:03,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-17 15:10:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-17 15:10:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-17 15:10:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:03,972 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 15:10:03,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:03,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764874953] [2021-12-17 15:10:03,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764874953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:03,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:03,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 15:10:03,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229838143] [2021-12-17 15:10:03,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:03,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 15:10:03,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:03,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 15:10:03,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:10:03,974 INFO L87 Difference]: Start difference. First operand 283 states and 354 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:10:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:04,601 INFO L93 Difference]: Finished difference Result 896 states and 1175 transitions. [2021-12-17 15:10:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-17 15:10:04,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2021-12-17 15:10:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:04,604 INFO L225 Difference]: With dead ends: 896 [2021-12-17 15:10:04,604 INFO L226 Difference]: Without dead ends: 672 [2021-12-17 15:10:04,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 15:10:04,606 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 516 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:04,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 911 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:04,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2021-12-17 15:10:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 549. [2021-12-17 15:10:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 426 states have (on average 1.2183098591549295) internal successors, (519), 452 states have internal predecessors, (519), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2021-12-17 15:10:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 688 transitions. [2021-12-17 15:10:04,630 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 688 transitions. Word has length 60 [2021-12-17 15:10:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:04,630 INFO L470 AbstractCegarLoop]: Abstraction has 549 states and 688 transitions. [2021-12-17 15:10:04,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:10:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 688 transitions. [2021-12-17 15:10:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-17 15:10:04,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:04,632 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:10:04,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:10:04,632 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:04,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1477759876, now seen corresponding path program 1 times [2021-12-17 15:10:04,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:04,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657697989] [2021-12-17 15:10:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:04,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:10:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-17 15:10:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 15:10:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-17 15:10:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-17 15:10:04,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:04,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657697989] [2021-12-17 15:10:04,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657697989] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:10:04,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243100526] [2021-12-17 15:10:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:04,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:10:04,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:04,752 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 15:10:04,753 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 15:10:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:04,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 15:10:04,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:10:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:10:05,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:10:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-17 15:10:05,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243100526] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:10:05,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:10:05,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-17 15:10:05,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613330958] [2021-12-17 15:10:05,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:10:05,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 15:10:05,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 15:10:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:10:05,324 INFO L87 Difference]: Start difference. First operand 549 states and 688 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-17 15:10:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,182 INFO L93 Difference]: Finished difference Result 1182 states and 1519 transitions. [2021-12-17 15:10:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-17 15:10:06,183 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 102 [2021-12-17 15:10:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,187 INFO L225 Difference]: With dead ends: 1182 [2021-12-17 15:10:06,187 INFO L226 Difference]: Without dead ends: 690 [2021-12-17 15:10:06,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1631, Unknown=0, NotChecked=0, Total=1980 [2021-12-17 15:10:06,190 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 509 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:06,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 1552 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 15:10:06,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-12-17 15:10:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 614. [2021-12-17 15:10:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 470 states have (on average 1.2063829787234042) internal successors, (567), 504 states have internal predecessors, (567), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-17 15:10:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 742 transitions. [2021-12-17 15:10:06,219 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 742 transitions. Word has length 102 [2021-12-17 15:10:06,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:06,219 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 742 transitions. [2021-12-17 15:10:06,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-17 15:10:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 742 transitions. [2021-12-17 15:10:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-17 15:10:06,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,222 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:06,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 15:10:06,436 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 15:10:06,436 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash 642128758, now seen corresponding path program 1 times [2021-12-17 15:10:06,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488550173] [2021-12-17 15:10:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:10:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 15:10:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:10:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 15:10:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-17 15:10:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-17 15:10:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-17 15:10:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-17 15:10:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-12-17 15:10:06,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488550173] [2021-12-17 15:10:06,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488550173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:10:06,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:10:06,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:10:06,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001469839] [2021-12-17 15:10:06,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:10:06,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:10:06,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:06,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:10:06,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:10:06,546 INFO L87 Difference]: Start difference. First operand 614 states and 742 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 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 15:10:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:06,749 INFO L93 Difference]: Finished difference Result 1216 states and 1489 transitions. [2021-12-17 15:10:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 15:10:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 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 184 [2021-12-17 15:10:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:06,753 INFO L225 Difference]: With dead ends: 1216 [2021-12-17 15:10:06,753 INFO L226 Difference]: Without dead ends: 659 [2021-12-17 15:10:06,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-12-17 15:10:06,755 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 190 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:06,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 528 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:10:06,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-12-17 15:10:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 623. [2021-12-17 15:10:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 479 states have (on average 1.2025052192066805) internal successors, (576), 513 states have internal predecessors, (576), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-17 15:10:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 751 transitions. [2021-12-17 15:10:06,780 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 751 transitions. Word has length 184 [2021-12-17 15:10:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:06,780 INFO L470 AbstractCegarLoop]: Abstraction has 623 states and 751 transitions. [2021-12-17 15:10:06,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (11), 5 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 15:10:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 751 transitions. [2021-12-17 15:10:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-17 15:10:06,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:10:06,783 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:06,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 15:10:06,784 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:10:06,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:10:06,784 INFO L85 PathProgramCache]: Analyzing trace with hash 587735860, now seen corresponding path program 1 times [2021-12-17 15:10:06,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:10:06,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493655206] [2021-12-17 15:10:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:10:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:10:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:10:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-17 15:10:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-17 15:10:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:10:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:10:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-17 15:10:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:10:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-17 15:10:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-17 15:10:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-17 15:10:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-17 15:10:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 93 proven. 30 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-12-17 15:10:06,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:10:06,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493655206] [2021-12-17 15:10:06,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493655206] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:10:06,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253695239] [2021-12-17 15:10:06,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:10:06,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:10:06,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:10:06,912 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 15:10:06,947 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 15:10:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:10:07,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 15:10:07,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:10:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-17 15:10:07,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:10:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-17 15:10:07,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253695239] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:10:07,926 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:10:07,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2021-12-17 15:10:07,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333419072] [2021-12-17 15:10:07,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:10:07,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-17 15:10:07,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:10:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-17 15:10:07,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-12-17 15:10:07,928 INFO L87 Difference]: Start difference. First operand 623 states and 751 transitions. Second operand has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-17 15:10:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:10:08,607 INFO L93 Difference]: Finished difference Result 1292 states and 1606 transitions. [2021-12-17 15:10:08,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-17 15:10:08,608 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) Word has length 184 [2021-12-17 15:10:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:10:08,608 INFO L225 Difference]: With dead ends: 1292 [2021-12-17 15:10:08,608 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:10:08,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 385 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2021-12-17 15:10:08,615 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 905 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:10:08,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 761 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:10:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:10:08,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:10:08,616 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 15:10:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:10:08,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2021-12-17 15:10:08,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:10:08,617 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:10:08,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 22 states have internal predecessors, (221), 10 states have call successors, (31), 8 states have call predecessors, (31), 9 states have return successors, (29), 9 states have call predecessors, (29), 10 states have call successors, (29) [2021-12-17 15:10:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:10:08,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:10:08,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:10:08,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 15:10:08,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 15:10:08,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:10:13,667 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2021-12-17 15:10:13,667 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2021-12-17 15:10:13,667 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: true [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point L770-2(lines 766 788) no Hoare annotation was computed. [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 840) no Hoare annotation was computed. [2021-12-17 15:10:13,668 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse8 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse15 (not .cse0))) (let ((.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (and .cse14 .cse4 .cse5 .cse13 .cse7 .cse9 .cse8 .cse15)) (.cse11 (and .cse14 .cse4 .cse5 .cse13 .cse9 .cse15 .cse12)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse3 .cse1 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 (and .cse4 .cse5 .cse6 .cse9 .cse12) .cse2) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse10 .cse11 .cse2) (or .cse0 .cse1 (and .cse4 .cse13 .cse6 .cse9 .cse12) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse3 .cse11 (not (= |old(~waterLevel~0)| 2)) .cse2))))) [2021-12-17 15:10:13,668 INFO L858 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2021-12-17 15:10:13,669 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-17 15:10:13,669 INFO L858 garLoopResultBuilder]: For program point L828(lines 828 845) no Hoare annotation was computed. [2021-12-17 15:10:13,669 INFO L854 garLoopResultBuilder]: At program point L973(lines 958 976) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-17 15:10:13,669 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 789) no Hoare annotation was computed. [2021-12-17 15:10:13,669 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse3 (not .cse0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse5 .cse6 (and .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse4)))) [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse1 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse3 .cse6)))) [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L685(line 685) no Hoare annotation was computed. [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L838(line 838) the Hoare annotation is: (let ((.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (not .cse0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) .cse4 .cse5 .cse6 .cse7) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7) (or .cse0 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse7 (and .cse1 (= ~waterLevel~0 1) .cse2 .cse3)) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 204) no Hoare annotation was computed. [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 207) no Hoare annotation was computed. [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L190-1(lines 182 210) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse7 (= ~pumpRunning~0 0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse5 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse6 (not .cse0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (and .cse18 .cse4 .cse15 .cse19 .cse13 .cse17 .cse5 .cse6)) (.cse10 (and .cse18 .cse4 .cse15 .cse19 .cse5 .cse6 .cse7)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 2) .cse3) (and .cse4 .cse3 .cse5 .cse6 .cse7)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11) (let ((.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or .cse0 .cse1 (and .cse12 .cse13 .cse5) .cse2 (and .cse12 (<= 1 ~pumpRunning~0) .cse5) .cse14)) (let ((.cse16 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse4 .cse15 .cse16 .cse13 .cse17 .cse5) (and .cse4 .cse15 .cse16 .cse5 .cse6 .cse7) .cse14 .cse11)) (or .cse0 (and .cse4 .cse15 .cse3 .cse5 .cse6 .cse7) (and .cse4 .cse15 .cse3 .cse13 .cse17 .cse5) .cse8 .cse9 .cse10 (not (<= |old(~waterLevel~0)| 1)) .cse11))))) [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L880(lines 875 882) the Hoare annotation is: (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 (<= ~waterLevel~0 1) (not .cse0) .cse4)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4) (not (<= |old(~waterLevel~0)| 1)) .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse5) (or .cse0 .cse6 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse3 (= ~waterLevel~0 1) .cse4) .cse5)))) [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L686(lines 681 688) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2))) [2021-12-17 15:10:13,670 INFO L854 garLoopResultBuilder]: At program point L843-1(lines 824 848) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse14 .cse6 .cse15 .cse8)) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (and .cse14 .cse6 .cse15 .cse9 .cse10 (not .cse0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (let ((.cse7 (= ~waterLevel~0 1))) (or .cse0 .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse7 .cse8) .cse4 (and .cse6 .cse7 .cse9 .cse10))) (or .cse0 (and .cse6 .cse11 .cse9 .cse10) .cse1 .cse2 (and .cse6 .cse11 .cse8) .cse3 .cse12 .cse4) (or .cse0 .cse5 (and .cse11 (<= 1 ~pumpRunning~0)) (and .cse11 .cse8) .cse13) (or .cse0 .cse13 .cse12 .cse8)))) [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2021-12-17 15:10:13,670 INFO L858 garLoopResultBuilder]: For program point L967(lines 967 971) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point L967-2(lines 967 971) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse0 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse13 .cse9 .cse14 .cse10 .cse3 .cse11 (not .cse0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (and .cse13 .cse9 .cse14 .cse3 .cse4)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse2 (<= 1 ~pumpRunning~0) .cse3) (and .cse2 .cse3 .cse4)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7 .cse8) (or .cse0 (and .cse9 .cse2 .cse3 .cse4) .cse1 .cse5 .cse6 (and .cse9 .cse2 .cse10 .cse11 .cse3) .cse7 .cse8) (let ((.cse12 (= ~waterLevel~0 1))) (or .cse0 (and .cse9 .cse12 .cse10 .cse11 .cse3) .cse1 (and .cse9 .cse12 .cse3 .cse4) (not (< 1 |old(~waterLevel~0)|)) .cse8))))) [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L854 garLoopResultBuilder]: At program point L179(lines 172 181) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (and (<= 1 ~switchedOnBeforeTS~0) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4)))) [2021-12-17 15:10:13,671 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 763 789) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse1 (and .cse7 .cse8 (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse3 .cse6)))) [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 789) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point L770(lines 770 776) no Hoare annotation was computed. [2021-12-17 15:10:13,671 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 580 609) no Hoare annotation was computed. [2021-12-17 15:10:13,672 INFO L861 garLoopResultBuilder]: At program point L605(lines 580 609) the Hoare annotation is: true [2021-12-17 15:10:13,672 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 580 609) the Hoare annotation is: true [2021-12-17 15:10:13,672 INFO L858 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2021-12-17 15:10:13,672 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-12-17 15:10:13,672 INFO L861 garLoopResultBuilder]: At program point L594-1(lines 594 598) the Hoare annotation is: true [2021-12-17 15:10:13,672 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-12-17 15:10:13,672 INFO L861 garLoopResultBuilder]: At program point L590-2(lines 590 604) the Hoare annotation is: true [2021-12-17 15:10:13,672 INFO L861 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: true [2021-12-17 15:10:13,672 INFO L858 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L667-2(lines 667 674) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2021-12-17 15:10:13,673 INFO L861 garLoopResultBuilder]: At program point L651(lines 643 653) the Hoare annotation is: true [2021-12-17 15:10:13,673 INFO L854 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:10:13,673 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-12-17 15:10:13,673 INFO L861 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L639(lines 635 641) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~4#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 984) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 171) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_main_~tmp~4#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2021-12-17 15:10:13,674 INFO L854 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-17 15:10:13,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L854 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,675 INFO L854 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 |ULTIMATE.start_main_~tmp~4#1|)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) (and .cse0 (= ~waterLevel~0 2) .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-17 15:10:13,675 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,675 INFO L861 garLoopResultBuilder]: At program point L752(lines 691 756) the Hoare annotation is: true [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-12-17 15:10:13,675 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-12-17 15:10:13,676 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-12-17 15:10:13,676 INFO L854 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-12-17 15:10:13,676 INFO L854 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:10:13,676 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-12-17 15:10:13,676 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 798 822) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:13,676 INFO L854 garLoopResultBuilder]: At program point L865-2(lines 858 874) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~pumpRunning~0) (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)))) [2021-12-17 15:10:13,676 INFO L854 garLoopResultBuilder]: At program point L954(lines 939 957) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse1 (= ~pumpRunning~0 0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse1) (and (= ~waterLevel~0 2) .cse1))))) [2021-12-17 15:10:13,677 INFO L854 garLoopResultBuilder]: At program point L890(lines 883 893) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0))))) [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point L948(lines 948 952) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point L948-2(lines 948 952) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L854 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 798 822) no Hoare annotation was computed. [2021-12-17 15:10:13,677 INFO L854 garLoopResultBuilder]: At program point L854(lines 849 856) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (= ~waterLevel~0 2)) (<= 1 ~pumpRunning~0) .cse2))) [2021-12-17 15:10:13,678 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)))) [2021-12-17 15:10:13,678 INFO L854 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-17 15:10:13,678 INFO L858 garLoopResultBuilder]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2021-12-17 15:10:13,678 INFO L854 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0))))) [2021-12-17 15:10:13,678 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:10:13,678 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2021-12-17 15:10:13,678 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse2 .cse5))) [2021-12-17 15:10:13,678 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 894 902) no Hoare annotation was computed. [2021-12-17 15:10:13,679 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 894 902) the Hoare annotation is: true [2021-12-17 15:10:13,679 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 894 902) no Hoare annotation was computed. [2021-12-17 15:10:13,681 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:10:13,682 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:10:13,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:10:13 BoogieIcfgContainer [2021-12-17 15:10:13,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:10:13,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:10:13,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:10:13,727 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:10:13,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:10:02" (3/4) ... [2021-12-17 15:10:13,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:10:13,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:10:13,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:10:13,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:10:13,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:10:13,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:10:13,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:10:13,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:10:13,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-12-17 15:10:13,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:10:13,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:10:13,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:10:13,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:10:13,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:13,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:10:13,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:10:13,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) [2021-12-17 15:10:13,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0) [2021-12-17 15:10:13,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((((tmp == waterLevel && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((tmp == 2 && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(\old(pumpRunning) == 0)) || ((tmp == 2 && 1 <= pumpRunning) && \result == waterLevel)) || !(1 < \old(waterLevel)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == systemActive || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || pumpRunning == 0) [2021-12-17 15:10:13,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 || 0 == systemActive) || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-17 15:10:13,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-17 15:10:13,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:10:13,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-17 15:10:13,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-17 15:10:13,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || 1 <= pumpRunning) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-17 15:10:13,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel == 2)) || 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) [2021-12-17 15:10:13,813 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:10:13,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:10:13,813 INFO L158 Benchmark]: Toolchain (without parser) took 12539.35ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 65.6MB in the beginning and 123.5MB in the end (delta: -57.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,814 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:10:13,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.19ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 65.6MB in the beginning and 88.2MB in the end (delta: -22.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.01ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 85.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,815 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,815 INFO L158 Benchmark]: RCFGBuilder took 342.35ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 67.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,815 INFO L158 Benchmark]: TraceAbstraction took 11659.42ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 66.3MB in the beginning and 130.9MB in the end (delta: -64.6MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,816 INFO L158 Benchmark]: Witness Printer took 86.33ms. Allocated memory is still 182.5MB. Free memory was 130.9MB in the beginning and 123.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:10:13,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.19ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 65.6MB in the beginning and 88.2MB in the end (delta: -22.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.01ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 85.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.35ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 67.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11659.42ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 66.3MB in the beginning and 130.9MB in the end (delta: -64.6MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Witness Printer took 86.33ms. Allocated memory is still 182.5MB. Free memory was 130.9MB in the beginning and 123.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 685]: 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 8 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2830 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2792 mSDsluCounter, 5944 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4431 mSDsCounter, 907 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3423 IncrementalHoareTripleChecker+Invalid, 4330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 907 mSolverCounterUnsat, 1513 mSDtfsCounter, 3423 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 901 GetRequests, 720 SyntacticMatches, 7 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=623occurred in iteration=11, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 268 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1744 PreInvPairs, 2041 NumberOfFragments, 2937 HoareAnnotationTreeSize, 1744 FomulaSimplifications, 2083 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 23776 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 2903 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1213 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 825/929 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: 635]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && !(0 == systemActive))) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: ((((((((0 == systemActive || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || (((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0))) && (((((((0 == systemActive || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && !(0 == systemActive))) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || !(\old(waterLevel) <= 2)) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 1)) || pumpRunning == 0) - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && ((((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && (((0 == systemActive || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel <= 1) && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0)) || (((((splverifierCounter == 0 && waterLevel == 2) && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && waterLevel == \old(waterLevel))) || ((((tmp == waterLevel && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) && (((((0 == systemActive || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((tmp == 2 && pumpRunning == \old(pumpRunning)) && \result == waterLevel)) || !(\old(pumpRunning) == 0)) || ((tmp == 2 && 1 <= pumpRunning) && \result == waterLevel)) || !(1 < \old(waterLevel)))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && (((((((0 == systemActive || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || (((((tmp == waterLevel && 1 <= switchedOnBeforeTS) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && !(0 == systemActive))) || ((((((waterLevel + 1 <= \old(waterLevel) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && ((((0 == systemActive || 1 <= pumpRunning) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) && (((((0 == systemActive || !(\old(waterLevel) <= 2)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((0 == systemActive || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0))) && ((((0 == systemActive || !(\old(waterLevel) == 1)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((\result == 1 || 0 == systemActive) || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((0 == systemActive || !(waterLevel <= 1)) || !(\old(pumpRunning) == 0)) && (((0 == systemActive || !(1 <= switchedOnBeforeTS)) || !(waterLevel <= 1)) || !(1 <= \old(pumpRunning)))) && (((0 == systemActive || !(waterLevel == 2)) || 1 <= pumpRunning) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:10:13,891 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