./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product40.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 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:06,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:06,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:06,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:06,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:06,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:06,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:06,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:06,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:06,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:06,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:06,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:06,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:06,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:06,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:06,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:06,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:06,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:06,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:06,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:06,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:06,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:06,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:06,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:06,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:06,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:06,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:06,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:06,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:06,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:06,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:06,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:06,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:06,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:06,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:06,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:06,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:06,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:06,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:06,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:06,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:06,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:06,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:06,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:06,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:06,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:06,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:06,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:06,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:06,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:06,182 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:06,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:06,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:06,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:06,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:06,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:06,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:06,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:06,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:06,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:06,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:06,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:06,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:06,187 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:06,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:06,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:06,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2021-12-16 00:59:06,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:06,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:06,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:06,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:06,432 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:06,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-12-16 00:59:06,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7587cc579/bf0580844e0940fe918ff06c46606db1/FLAG4b2672ae6 [2021-12-16 00:59:06,910 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:06,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2021-12-16 00:59:06,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7587cc579/bf0580844e0940fe918ff06c46606db1/FLAG4b2672ae6 [2021-12-16 00:59:06,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7587cc579/bf0580844e0940fe918ff06c46606db1 [2021-12-16 00:59:06,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:06,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:06,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:06,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:06,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:06,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:06" (1/1) ... [2021-12-16 00:59:06,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bbe733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:06, skipping insertion in model container [2021-12-16 00:59:06,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:06" (1/1) ... [2021-12-16 00:59:06,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:06,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:07,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-12-16 00:59:07,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:07,276 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:07,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2021-12-16 00:59:07,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:07,390 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:07,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07 WrapperNode [2021-12-16 00:59:07,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:07,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:07,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:07,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:07,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,434 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2021-12-16 00:59:07,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:07,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:07,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:07,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:07,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:07,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:07,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:07,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:07,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (1/1) ... [2021-12-16 00:59:07,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:07,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:07,499 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) [2021-12-16 00:59:07,518 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 [2021-12-16 00:59:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:07,590 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:07,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:07,867 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:07,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:07,873 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:07,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:07 BoogieIcfgContainer [2021-12-16 00:59:07,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:07,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:07,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:07,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:07,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:06" (1/3) ... [2021-12-16 00:59:07,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240e215a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:07, skipping insertion in model container [2021-12-16 00:59:07,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:07" (2/3) ... [2021-12-16 00:59:07,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240e215a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:07, skipping insertion in model container [2021-12-16 00:59:07,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:07" (3/3) ... [2021-12-16 00:59:07,895 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2021-12-16 00:59:07,900 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:07,900 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:07,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:07,965 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 [2021-12-16 00:59:07,965 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:59:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:08,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:08,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:08,006 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:08,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:08,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1035852950, now seen corresponding path program 1 times [2021-12-16 00:59:08,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:08,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649717364] [2021-12-16 00:59:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:08,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:08,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:08,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649717364] [2021-12-16 00:59:08,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649717364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:08,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:08,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:08,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675520854] [2021-12-16 00:59:08,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:08,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:08,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:08,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:08,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:08,307 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 80 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:08,335 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2021-12-16 00:59:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:08,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:59:08,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:08,347 INFO L225 Difference]: With dead ends: 181 [2021-12-16 00:59:08,347 INFO L226 Difference]: Without dead ends: 86 [2021-12-16 00:59:08,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:08,355 INFO L933 BasicCegarLoop]: 120 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, 120 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 [2021-12-16 00:59:08,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:08,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-12-16 00:59:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-12-16 00:59:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 72 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:59:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-12-16 00:59:08,392 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2021-12-16 00:59:08,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:08,392 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-12-16 00:59:08,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2021-12-16 00:59:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:08,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:08,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:08,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:08,395 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:08,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1707158464, now seen corresponding path program 1 times [2021-12-16 00:59:08,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:08,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400958245] [2021-12-16 00:59:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:08,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:08,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:08,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400958245] [2021-12-16 00:59:08,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400958245] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:08,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:08,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:08,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19582582] [2021-12-16 00:59:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:08,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:08,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:08,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:08,476 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:08,499 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2021-12-16 00:59:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:08,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:59:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:08,503 INFO L225 Difference]: With dead ends: 132 [2021-12-16 00:59:08,503 INFO L226 Difference]: Without dead ends: 77 [2021-12-16 00:59:08,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:08,505 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 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 [2021-12-16 00:59:08,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:08,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-16 00:59:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-12-16 00:59:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 66 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:59:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-12-16 00:59:08,516 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2021-12-16 00:59:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:08,517 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-12-16 00:59:08,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-12-16 00:59:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:59:08,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:08,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:08,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:08,519 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:08,520 INFO L85 PathProgramCache]: Analyzing trace with hash -969347747, now seen corresponding path program 1 times [2021-12-16 00:59:08,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:08,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281917920] [2021-12-16 00:59:08,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:08,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:08,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:08,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281917920] [2021-12-16 00:59:08,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281917920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:08,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:08,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:08,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518124935] [2021-12-16 00:59:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:08,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:08,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:08,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:08,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:08,575 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:08,611 INFO L93 Difference]: Finished difference Result 213 states and 280 transitions. [2021-12-16 00:59:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:08,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-16 00:59:08,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:08,618 INFO L225 Difference]: With dead ends: 213 [2021-12-16 00:59:08,619 INFO L226 Difference]: Without dead ends: 144 [2021-12-16 00:59:08,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:08,625 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:08,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 208 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-12-16 00:59:08,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2021-12-16 00:59:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 119 states have internal predecessors, (141), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-16 00:59:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2021-12-16 00:59:08,667 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 31 [2021-12-16 00:59:08,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:08,670 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2021-12-16 00:59:08,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,670 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2021-12-16 00:59:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-16 00:59:08,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:08,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:08,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:08,676 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:08,677 INFO L85 PathProgramCache]: Analyzing trace with hash -595617824, now seen corresponding path program 1 times [2021-12-16 00:59:08,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:08,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511757067] [2021-12-16 00:59:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:08,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:08,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:08,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511757067] [2021-12-16 00:59:08,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511757067] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:08,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:08,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:08,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614964923] [2021-12-16 00:59:08,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:08,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:08,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:08,784 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:08,910 INFO L93 Difference]: Finished difference Result 405 states and 540 transitions. [2021-12-16 00:59:08,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:08,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-16 00:59:08,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:08,914 INFO L225 Difference]: With dead ends: 405 [2021-12-16 00:59:08,914 INFO L226 Difference]: Without dead ends: 272 [2021-12-16 00:59:08,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:08,916 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 67 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:08,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 483 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:08,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-12-16 00:59:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 266. [2021-12-16 00:59:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 193 states have (on average 1.3419689119170986) internal successors, (259), 222 states have internal predecessors, (259), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46) [2021-12-16 00:59:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 349 transitions. [2021-12-16 00:59:08,942 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 349 transitions. Word has length 34 [2021-12-16 00:59:08,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:08,942 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 349 transitions. [2021-12-16 00:59:08,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 349 transitions. [2021-12-16 00:59:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-16 00:59:08,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:08,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:08,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:08,945 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1037298340, now seen corresponding path program 1 times [2021-12-16 00:59:08,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:08,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058800095] [2021-12-16 00:59:08,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:08,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:09,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:09,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058800095] [2021-12-16 00:59:09,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058800095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:09,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:09,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:09,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303842901] [2021-12-16 00:59:09,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:09,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:09,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:09,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:09,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:09,006 INFO L87 Difference]: Start difference. First operand 266 states and 349 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:09,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:09,267 INFO L93 Difference]: Finished difference Result 698 states and 934 transitions. [2021-12-16 00:59:09,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:09,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-16 00:59:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:09,286 INFO L225 Difference]: With dead ends: 698 [2021-12-16 00:59:09,286 INFO L226 Difference]: Without dead ends: 440 [2021-12-16 00:59:09,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 00:59:09,289 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 112 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:09,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 246 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-16 00:59:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-12-16 00:59:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 313 states have (on average 1.293929712460064) internal successors, (405), 342 states have internal predecessors, (405), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80) [2021-12-16 00:59:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 545 transitions. [2021-12-16 00:59:09,324 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 545 transitions. Word has length 38 [2021-12-16 00:59:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:09,325 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 545 transitions. [2021-12-16 00:59:09,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 545 transitions. [2021-12-16 00:59:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 00:59:09,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:09,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:09,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:09,328 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1524944222, now seen corresponding path program 1 times [2021-12-16 00:59:09,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:09,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028230483] [2021-12-16 00:59:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:09,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 00:59:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:09,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:09,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028230483] [2021-12-16 00:59:09,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028230483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:09,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:09,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:09,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735491711] [2021-12-16 00:59:09,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:09,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:09,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:09,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:09,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:09,448 INFO L87 Difference]: Start difference. First operand 426 states and 545 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:09,712 INFO L93 Difference]: Finished difference Result 952 states and 1233 transitions. [2021-12-16 00:59:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:59:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-16 00:59:09,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:09,718 INFO L225 Difference]: With dead ends: 952 [2021-12-16 00:59:09,719 INFO L226 Difference]: Without dead ends: 534 [2021-12-16 00:59:09,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:09,722 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:09,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 258 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:09,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-12-16 00:59:09,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 520. [2021-12-16 00:59:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 387 states have (on average 1.2583979328165376) internal successors, (487), 416 states have internal predecessors, (487), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2021-12-16 00:59:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 655 transitions. [2021-12-16 00:59:09,785 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 655 transitions. Word has length 49 [2021-12-16 00:59:09,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:09,786 INFO L470 AbstractCegarLoop]: Abstraction has 520 states and 655 transitions. [2021-12-16 00:59:09,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 655 transitions. [2021-12-16 00:59:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 00:59:09,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:09,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:09,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:59:09,791 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:09,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash -163999520, now seen corresponding path program 1 times [2021-12-16 00:59:09,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:09,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405804168] [2021-12-16 00:59:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:09,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 00:59:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:09,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:09,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405804168] [2021-12-16 00:59:09,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405804168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:09,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:09,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:09,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476542646] [2021-12-16 00:59:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:09,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:09,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:09,890 INFO L87 Difference]: Start difference. First operand 520 states and 655 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:10,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:10,089 INFO L93 Difference]: Finished difference Result 1066 states and 1379 transitions. [2021-12-16 00:59:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:10,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-16 00:59:10,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:10,092 INFO L225 Difference]: With dead ends: 1066 [2021-12-16 00:59:10,092 INFO L226 Difference]: Without dead ends: 554 [2021-12-16 00:59:10,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:10,095 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 122 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:10,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 219 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:10,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-12-16 00:59:10,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 528. [2021-12-16 00:59:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 395 states have (on average 1.2531645569620253) internal successors, (495), 424 states have internal predecessors, (495), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100) [2021-12-16 00:59:10,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 663 transitions. [2021-12-16 00:59:10,146 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 663 transitions. Word has length 49 [2021-12-16 00:59:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:10,147 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 663 transitions. [2021-12-16 00:59:10,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 663 transitions. [2021-12-16 00:59:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-16 00:59:10,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:10,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:10,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:59:10,151 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:10,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:10,152 INFO L85 PathProgramCache]: Analyzing trace with hash 258702306, now seen corresponding path program 1 times [2021-12-16 00:59:10,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:10,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056789247] [2021-12-16 00:59:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:10,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 00:59:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:10,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:10,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056789247] [2021-12-16 00:59:10,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056789247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:10,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:10,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:10,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854722417] [2021-12-16 00:59:10,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:10,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:10,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:10,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:10,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:10,248 INFO L87 Difference]: Start difference. First operand 528 states and 663 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:10,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:10,536 INFO L93 Difference]: Finished difference Result 1540 states and 2013 transitions. [2021-12-16 00:59:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 00:59:10,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 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 49 [2021-12-16 00:59:10,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:10,543 INFO L225 Difference]: With dead ends: 1540 [2021-12-16 00:59:10,543 INFO L226 Difference]: Without dead ends: 1020 [2021-12-16 00:59:10,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:10,545 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 316 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:10,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 282 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-12-16 00:59:10,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1008. [2021-12-16 00:59:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 755 states have (on average 1.2225165562913907) internal successors, (923), 802 states have internal predecessors, (923), 130 states have call successors, (130), 118 states have call predecessors, (130), 122 states have return successors, (216), 128 states have call predecessors, (216), 130 states have call successors, (216) [2021-12-16 00:59:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1269 transitions. [2021-12-16 00:59:10,611 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1269 transitions. Word has length 49 [2021-12-16 00:59:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:10,611 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1269 transitions. [2021-12-16 00:59:10,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1269 transitions. [2021-12-16 00:59:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-16 00:59:10,613 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:10,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:10,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:59:10,614 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:10,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:10,614 INFO L85 PathProgramCache]: Analyzing trace with hash 525985416, now seen corresponding path program 1 times [2021-12-16 00:59:10,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:10,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992783125] [2021-12-16 00:59:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:10,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 00:59:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:10,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:10,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992783125] [2021-12-16 00:59:10,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992783125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:10,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:10,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:10,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056454096] [2021-12-16 00:59:10,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:10,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:10,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:10,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:10,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:10,704 INFO L87 Difference]: Start difference. First operand 1008 states and 1269 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:11,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:11,100 INFO L93 Difference]: Finished difference Result 1986 states and 2649 transitions. [2021-12-16 00:59:11,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:11,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2021-12-16 00:59:11,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:11,110 INFO L225 Difference]: With dead ends: 1986 [2021-12-16 00:59:11,110 INFO L226 Difference]: Without dead ends: 1984 [2021-12-16 00:59:11,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:11,111 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 427 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:11,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 214 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 00:59:11,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2021-12-16 00:59:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1545. [2021-12-16 00:59:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1150 states have (on average 1.2269565217391305) internal successors, (1411), 1240 states have internal predecessors, (1411), 211 states have call successors, (211), 151 states have call predecessors, (211), 183 states have return successors, (428), 204 states have call predecessors, (428), 211 states have call successors, (428) [2021-12-16 00:59:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2050 transitions. [2021-12-16 00:59:11,198 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2050 transitions. Word has length 53 [2021-12-16 00:59:11,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:11,198 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 2050 transitions. [2021-12-16 00:59:11,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2050 transitions. [2021-12-16 00:59:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 00:59:11,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:11,202 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-16 00:59:11,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 00:59:11,203 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1653016264, now seen corresponding path program 1 times [2021-12-16 00:59:11,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413147929] [2021-12-16 00:59:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:11,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 00:59:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:59:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 00:59:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 00:59:11,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:11,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413147929] [2021-12-16 00:59:11,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413147929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:11,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:11,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 00:59:11,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743542387] [2021-12-16 00:59:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:11,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 00:59:11,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:11,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 00:59:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:11,285 INFO L87 Difference]: Start difference. First operand 1545 states and 2050 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-16 00:59:11,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:11,669 INFO L93 Difference]: Finished difference Result 2565 states and 3385 transitions. [2021-12-16 00:59:11,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 00:59:11,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 83 [2021-12-16 00:59:11,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:11,676 INFO L225 Difference]: With dead ends: 2565 [2021-12-16 00:59:11,676 INFO L226 Difference]: Without dead ends: 1028 [2021-12-16 00:59:11,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-12-16 00:59:11,682 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 294 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:11,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 318 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:11,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2021-12-16 00:59:11,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 970. [2021-12-16 00:59:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 728 states have (on average 1.2129120879120878) internal successors, (883), 783 states have internal predecessors, (883), 126 states have call successors, (126), 98 states have call predecessors, (126), 115 states have return successors, (237), 125 states have call predecessors, (237), 126 states have call successors, (237) [2021-12-16 00:59:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1246 transitions. [2021-12-16 00:59:11,734 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1246 transitions. Word has length 83 [2021-12-16 00:59:11,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:11,735 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1246 transitions. [2021-12-16 00:59:11,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-16 00:59:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1246 transitions. [2021-12-16 00:59:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-16 00:59:11,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:11,738 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-16 00:59:11,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 00:59:11,739 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:11,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:11,739 INFO L85 PathProgramCache]: Analyzing trace with hash -365592096, now seen corresponding path program 1 times [2021-12-16 00:59:11,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:11,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210094211] [2021-12-16 00:59:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:11,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:59:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 00:59:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 00:59:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-16 00:59:11,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:11,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210094211] [2021-12-16 00:59:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210094211] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:11,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872534173] [2021-12-16 00:59:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:11,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:11,868 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) [2021-12-16 00:59:11,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 00:59:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 00:59:12,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:12,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:12,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872534173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:12,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:12,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-12-16 00:59:12,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864472067] [2021-12-16 00:59:12,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:12,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:12,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:12,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:12,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:12,263 INFO L87 Difference]: Start difference. First operand 970 states and 1246 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-16 00:59:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:12,311 INFO L93 Difference]: Finished difference Result 1668 states and 2181 transitions. [2021-12-16 00:59:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:12,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 92 [2021-12-16 00:59:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:12,316 INFO L225 Difference]: With dead ends: 1668 [2021-12-16 00:59:12,316 INFO L226 Difference]: Without dead ends: 870 [2021-12-16 00:59:12,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:12,319 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 41 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:12,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 208 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2021-12-16 00:59:12,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 870. [2021-12-16 00:59:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 652 states have (on average 1.1901840490797546) internal successors, (776), 702 states have internal predecessors, (776), 113 states have call successors, (113), 93 states have call predecessors, (113), 104 states have return successors, (162), 111 states have call predecessors, (162), 113 states have call successors, (162) [2021-12-16 00:59:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1051 transitions. [2021-12-16 00:59:12,358 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1051 transitions. Word has length 92 [2021-12-16 00:59:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:12,360 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1051 transitions. [2021-12-16 00:59:12,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-16 00:59:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1051 transitions. [2021-12-16 00:59:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-16 00:59:12,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:12,362 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:12,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:12,575 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,SelfDestructingSolverStorable10 [2021-12-16 00:59:12,576 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:12,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1099123803, now seen corresponding path program 1 times [2021-12-16 00:59:12,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:12,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054827510] [2021-12-16 00:59:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:12,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 00:59:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 00:59:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 00:59:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:59:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 00:59:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 00:59:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 00:59:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-16 00:59:12,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:12,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054827510] [2021-12-16 00:59:12,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054827510] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:12,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612091101] [2021-12-16 00:59:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:12,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:12,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:12,784 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) [2021-12-16 00:59:12,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 00:59:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:12,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 00:59:12,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 00:59:13,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:13,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612091101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:13,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:13,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2021-12-16 00:59:13,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46226031] [2021-12-16 00:59:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:13,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:13,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:13,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:13,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-12-16 00:59:13,116 INFO L87 Difference]: Start difference. First operand 870 states and 1051 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:13,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:13,223 INFO L93 Difference]: Finished difference Result 1622 states and 1952 transitions. [2021-12-16 00:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:13,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2021-12-16 00:59:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:13,225 INFO L225 Difference]: With dead ends: 1622 [2021-12-16 00:59:13,225 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:13,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-12-16 00:59:13,229 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 53 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:13,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 919 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:13,230 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) [2021-12-16 00:59:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:13,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2021-12-16 00:59:13,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:13,231 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:13,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 00:59:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:13,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:13,234 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:13,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 00:59:13,458 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 [2021-12-16 00:59:13,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:18,590 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 362 369) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse1 .cse2 .cse6 .cse4))) [2021-12-16 00:59:18,591 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 362 369) no Hoare annotation was computed. [2021-12-16 00:59:18,591 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 362 369) no Hoare annotation was computed. [2021-12-16 00:59:18,591 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 295 301) no Hoare annotation was computed. [2021-12-16 00:59:18,591 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 295 301) the Hoare annotation is: true [2021-12-16 00:59:18,591 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2021-12-16 00:59:18,591 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse5 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse2 .cse3 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse1 .cse5 .cse7 .cse3 .cse4))) [2021-12-16 00:59:18,592 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2021-12-16 00:59:18,592 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2021-12-16 00:59:18,592 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: true [2021-12-16 00:59:18,592 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-12-16 00:59:18,592 INFO L861 garLoopResultBuilder]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2021-12-16 00:59:18,592 INFO L858 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-12-16 00:59:18,592 INFO L861 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2021-12-16 00:59:18,592 INFO L861 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2021-12-16 00:59:18,592 INFO L858 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2021-12-16 00:59:18,592 INFO L861 garLoopResultBuilder]: At program point L870(lines 845 874) the Hoare annotation is: true [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 274 293) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 271 294) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L854 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 (and .cse6 (= ~methAndRunningLastTime~0 0)) .cse2 .cse7 .cse3) (or .cse6 .cse5 .cse2 .cse7))) [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L375-1(line 375) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-12-16 00:59:18,593 INFO L854 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse3 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse5)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse9 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (and .cse2 .cse12 .cse3)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse8 .cse9 .cse10) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or (and .cse3 .cse4 .cse5) (and .cse12 .cse3 .cse4) .cse1 .cse9 .cse10) (or (and .cse2 .cse13 .cse14 .cse3 .cse4) .cse0 .cse1 .cse9 (and .cse2 .cse3 .cse5 .cse4) .cse11) (or .cse15 (and .cse2 .cse13 .cse14) .cse7 .cse0 .cse9 .cse11) (or .cse15 .cse7 .cse0 .cse6)))) [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse5) (or .cse3 .cse6 .cse5) (or .cse3 .cse6 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse1 .cse2))) [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse8 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse6 .cse2 .cse7) (or .cse0 .cse6 .cse2 .cse7 .cse3) (or .cse8 .cse5 .cse2 .cse7)))) [2021-12-16 00:59:18,594 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-12-16 00:59:18,594 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-12-16 00:59:18,594 INFO L858 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 100 111) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse1 .cse5 .cse4) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 (and .cse6 (= ~methAndRunningLastTime~0 0)) .cse2 .cse7 .cse3) (or .cse6 .cse5 .cse2 .cse7))) [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse1 .cse2) (or .cse3 .cse5 .cse4) (or .cse0 .cse3 (and .cse6 (= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) .cse1 .cse7) (or (and (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse5 .cse1 .cse7) (or .cse0 .cse1 .cse2 .cse7))) [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L348-1(lines 329 353) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse14 (<= 1 ~methaneLevelCritical~0))) (let ((.cse11 (not (= ~systemActive~0 0))) (.cse7 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse14)) (.cse1 (and (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse14 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6 (= ~methAndRunningLastTime~0 0)) (and .cse7 .cse4 .cse8) .cse0 .cse9 .cse2 .cse10) (or .cse0 .cse9 .cse11) (or .cse9 .cse12 .cse11) (or (and .cse7 .cse4 .cse13) (and .cse4 .cse5 .cse6) .cse9 .cse12 .cse2 .cse10) (or .cse13 .cse12 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse10)))) [2021-12-16 00:59:18,594 INFO L854 garLoopResultBuilder]: At program point L377(lines 370 380) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (and .cse4 .cse5) .cse2 .cse6) (or .cse0 .cse1 .cse7) (or .cse1 .cse8 .cse7) (or .cse1 .cse8 .cse2 .cse3) (or (and .cse4 (= ~methAndRunningLastTime~0 0) .cse5) .cse0 .cse2 .cse6 .cse3) (or .cse4 .cse8 .cse2 .cse6))) [2021-12-16 00:59:18,595 INFO L858 garLoopResultBuilder]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2021-12-16 00:59:18,595 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 271 294) the Hoare annotation is: (let ((.cse12 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse13 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse7 .cse9 .cse13)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and .cse12 .cse7 .cse8)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 1))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5 .cse6) (or (and .cse7 .cse8 .cse9) .cse10 .cse5 .cse11 .cse6) (or (and .cse7 .cse12 .cse13) .cse10 .cse1 .cse3) (or .cse10 .cse1 .cse4 .cse5 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse10 (and .cse7 .cse12 .cse8) .cse5 .cse11) (or .cse0 .cse2 .cse5 .cse11)))) [2021-12-16 00:59:18,595 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 271 294) no Hoare annotation was computed. [2021-12-16 00:59:18,595 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2021-12-16 00:59:18,595 INFO L854 garLoopResultBuilder]: At program point L840(lines 835 842) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse5) (or .cse6 .cse1 .cse2) (or .cse3 .cse6 .cse5) (or .cse3 .cse6 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2021-12-16 00:59:18,596 INFO L854 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse15 (= ~systemActive~0 1)) (.cse16 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~systemActive~0 0))) (.cse4 (and .cse16 .cse9 .cse14)) (.cse6 (and (<= 1 |timeShift_processEnvironment_~tmp~3#1|) .cse17 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse15 .cse14)) (.cse5 (not .cse17)) (.cse0 (and .cse16 .cse9 .cse13)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not .cse15)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse6 .cse5 .cse7 .cse8) (or (and .cse9 .cse10 .cse11 (= ~methAndRunningLastTime~0 0)) .cse4 .cse5 .cse1 .cse7 .cse12) (or .cse6 .cse5 .cse7 .cse8 .cse12) (or .cse0 (and .cse9 .cse10 .cse11) .cse1 .cse2 .cse7 .cse12) (or .cse13 .cse2 .cse7 .cse14 .cse8)))) [2021-12-16 00:59:18,596 INFO L858 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2021-12-16 00:59:18,596 INFO L854 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (let ((.cse8 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse8 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse11)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse9 (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|)) (.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3) (or .cse6 .cse5 .cse7) (or .cse6 .cse5 .cse2 .cse4) (or (and .cse8 .cse9 .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse6 .cse7) (or (and .cse10 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)) (and .cse8 .cse9 .cse10 .cse11) .cse0 .cse6 .cse2 .cse4)))) [2021-12-16 00:59:18,596 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2021-12-16 00:59:18,596 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2021-12-16 00:59:18,596 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2021-12-16 00:59:18,597 INFO L854 garLoopResultBuilder]: At program point L465(lines 460 467) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse6 .cse4 .cse3 .cse5))) [2021-12-16 00:59:18,597 INFO L854 garLoopResultBuilder]: At program point L457(lines 445 459) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2))) [2021-12-16 00:59:18,597 INFO L854 garLoopResultBuilder]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:18,597 INFO L861 garLoopResultBuilder]: At program point L259(lines 196 263) the Hoare annotation is: true [2021-12-16 00:59:18,597 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2021-12-16 00:59:18,597 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 232) no Hoare annotation was computed. [2021-12-16 00:59:18,597 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2021-12-16 00:59:18,598 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2021-12-16 00:59:18,598 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:18,598 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:18,598 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:18,598 INFO L854 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:18,598 INFO L854 garLoopResultBuilder]: At program point L974(lines 969 977) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:18,598 INFO L854 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:18,599 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:18,599 INFO L854 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2021-12-16 00:59:18,599 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-12-16 00:59:18,599 INFO L854 garLoopResultBuilder]: At program point L244-2(lines 236 251) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~systemActive~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse7 .cse5) (and .cse0 .cse7 .cse1 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse5))) [2021-12-16 00:59:18,599 INFO L858 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2021-12-16 00:59:18,599 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2021-12-16 00:59:18,600 INFO L854 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:18,600 INFO L854 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse2 .cse5 .cse6))) [2021-12-16 00:59:18,600 INFO L858 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2021-12-16 00:59:18,600 INFO L858 garLoopResultBuilder]: For program point L930-2(lines 930 937) no Hoare annotation was computed. [2021-12-16 00:59:18,600 INFO L854 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:18,600 INFO L854 garLoopResultBuilder]: At program point L253(lines 206 255) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse4 .cse3) (and .cse0 .cse7 .cse4 .cse3 .cse5))) [2021-12-16 00:59:18,600 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:18,601 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-12-16 00:59:18,601 INFO L858 garLoopResultBuilder]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2021-12-16 00:59:18,601 INFO L861 garLoopResultBuilder]: At program point L914(lines 906 916) the Hoare annotation is: true [2021-12-16 00:59:18,601 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2021-12-16 00:59:18,601 INFO L861 garLoopResultBuilder]: At program point L939(lines 920 942) the Hoare annotation is: true [2021-12-16 00:59:18,601 INFO L858 garLoopResultBuilder]: For program point L322-1(lines 303 327) no Hoare annotation was computed. [2021-12-16 00:59:18,601 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 303 327) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse3 (= ~pumpRunning~0 0)) (or .cse0 .cse2 .cse3 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 00:59:18,602 INFO L854 garLoopResultBuilder]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (<= 2 ~waterLevel~0) .cse5)) (.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) .cse5)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse4 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse4)))) [2021-12-16 00:59:18,602 INFO L854 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) (= ~pumpRunning~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or .cse3 .cse2 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 .cse2))) [2021-12-16 00:59:18,602 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 303 327) no Hoare annotation was computed. [2021-12-16 00:59:18,602 INFO L854 garLoopResultBuilder]: At program point L441(lines 426 444) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and (<= 2 ~waterLevel~0) .cse5)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse4 .cse3 (not (<= 1 |old(~pumpRunning~0)|)))))) [2021-12-16 00:59:18,602 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-12-16 00:59:18,602 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-12-16 00:59:18,603 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-12-16 00:59:18,603 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-12-16 00:59:18,603 INFO L858 garLoopResultBuilder]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-12-16 00:59:18,603 INFO L854 garLoopResultBuilder]: At program point L359(lines 354 361) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2021-12-16 00:59:18,603 INFO L854 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 00:59:18,603 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2021-12-16 00:59:18,604 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or (not (<= 2 |old(~waterLevel~0)|)) .cse5 .cse7 .cse1 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse1 .cse2 .cse3 .cse6))) [2021-12-16 00:59:18,604 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2021-12-16 00:59:18,612 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:18,613 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:18,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:18 BoogieIcfgContainer [2021-12-16 00:59:18,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:18,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:18,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:18,640 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:18,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:07" (3/4) ... [2021-12-16 00:59:18,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:18,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:18,647 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 00:59:18,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:18,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-16 00:59:18,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:18,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:18,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:18,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:18,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:18,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:18,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:18,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || pumpRunning == 0) || !(1 <= \old(pumpRunning)))) && ((((!(1 <= methaneLevelCritical) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:18,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 0)) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(1 <= methaneLevelCritical) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((((methAndRunningLastTime == 0 && tmp == 0) && pumpRunning == 0) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && pumpRunning == 0) && tmp == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) [2021-12-16 00:59:18,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:18,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((!(1 <= methaneLevelCritical) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:18,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) || (\result == 1 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((2 <= waterLevel && pumpRunning == 0) || (\result == 1 && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || !(systemActive == 1)) [2021-12-16 00:59:18,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 <= methaneLevelCritical) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-16 00:59:18,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(systemActive == 1)) && (((((2 <= waterLevel && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 00:59:18,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || !(systemActive == 1)) [2021-12-16 00:59:18,716 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:18,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:18,717 INFO L158 Benchmark]: Toolchain (without parser) took 11780.29ms. Allocated memory was 96.5MB in the beginning and 207.6MB in the end (delta: 111.1MB). Free memory was 66.4MB in the beginning and 173.0MB in the end (delta: -106.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,718 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:18,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.37ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 745.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.19ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,719 INFO L158 Benchmark]: Boogie Preprocessor took 25.83ms. Allocated memory is still 96.5MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,719 INFO L158 Benchmark]: RCFGBuilder took 422.43ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 94.9MB in the end (delta: -33.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,719 INFO L158 Benchmark]: TraceAbstraction took 10753.61ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 94.3MB in the beginning and 179.3MB in the end (delta: -85.0MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,721 INFO L158 Benchmark]: Witness Printer took 77.28ms. Allocated memory is still 207.6MB. Free memory was 179.3MB in the beginning and 173.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:18,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.37ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 745.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.19ms. Allocated memory is still 96.5MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.83ms. Allocated memory is still 96.5MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.43ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 94.9MB in the end (delta: -33.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10753.61ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 94.3MB in the beginning and 179.3MB in the end (delta: -85.0MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Witness Printer took 77.28ms. Allocated memory is still 207.6MB. Free memory was 179.3MB in the beginning and 173.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 839]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1689 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1659 mSDsluCounter, 3649 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2266 mSDsCounter, 613 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1610 IncrementalHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 613 mSolverCounterUnsat, 1383 mSDtfsCounter, 1610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 289 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1545occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 572 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2624 PreInvPairs, 2872 NumberOfFragments, 3148 HoareAnnotationTreeSize, 2624 FomulaSimplifications, 968 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 20095 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1535 SizeOfPredicates, 5 NumberOfNonLiveVariables, 947 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 147/162 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: 899]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && methAndRunningLastTime == 0) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((!(1 <= methaneLevelCritical) || (((\result == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (((\result == 0 && methAndRunningLastTime == \old(methAndRunningLastTime)) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) || (\result == 1 && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((((2 <= waterLevel && pumpRunning == 0) || (\result == 1 && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || !(systemActive == 1)) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((((((methAndRunningLastTime == \old(methAndRunningLastTime) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || pumpRunning == 0) || !(1 <= \old(pumpRunning)))) && ((((!(1 <= methaneLevelCritical) || (((1 <= tmp && 1 <= methaneLevelCritical) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || pumpRunning == \old(pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(systemActive == 1)) && (((((2 <= waterLevel && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((((((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && ((!(1 <= methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(systemActive == 0))) && ((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && (((!(1 <= methaneLevelCritical) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 1 <= pumpRunning) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && systemActive == 1) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 0)) && ((((!(2 <= \old(waterLevel)) || !(1 <= methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(1 <= methaneLevelCritical) || (((methAndRunningLastTime == 0 && 1 <= tmp) && 1 <= \result) && pumpRunning == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((((((methAndRunningLastTime == 0 && tmp == 0) && pumpRunning == 0) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && pumpRunning == 0) && tmp == 0)) || !(\old(methAndRunningLastTime) == 0))) && (((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0))) && (((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(systemActive == 0)) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((!(methaneLevelCritical == 0) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && ((((1 <= pumpRunning && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1))) && (((((1 <= pumpRunning && 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) || !(systemActive == 1)) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == 0) && methaneLevelCritical == 0) && pumpRunning == 0) || (((splverifierCounter == 0 && systemActive == 0) && 1 <= methaneLevelCritical) && pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:18,782 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