./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_spec4_product08.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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:08:39,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:08:39,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:08:39,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:08:39,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:08:39,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:08:39,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:08:39,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:08:39,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:08:39,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:08:39,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:08:39,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:08:39,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:08:39,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:08:39,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:08:39,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:08:39,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:08:39,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:08:39,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:08:39,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:08:39,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:08:39,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:08:39,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:08:39,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:08:39,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:08:39,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:08:39,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:08:39,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:08:39,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:08:39,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:08:39,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:08:39,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:08:39,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:08:39,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:08:39,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:08:39,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:08:39,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:08:39,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:08:39,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:08:39,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:08:39,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:08:39,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:08:39,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:08:39,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:08:39,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:08:39,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:08:39,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:08:39,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:08:39,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:08:39,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:08:39,461 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:08:39,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:08:39,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:08:39,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:08:39,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:08:39,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:08:39,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:08:39,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:08:39,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:08:39,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:08:39,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:39,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:08:39,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:08:39,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:08:39,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:08:39,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2021-12-17 15:08:39,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:08:39,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:08:39,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:08:39,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:08:39,699 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:08:39,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-12-17 15:08:39,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174f5bbe0/8d2683cddbea44339a33213c1b9e14b7/FLAG6e02e2a4e [2021-12-17 15:08:40,138 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:08:40,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-12-17 15:08:40,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174f5bbe0/8d2683cddbea44339a33213c1b9e14b7/FLAG6e02e2a4e [2021-12-17 15:08:40,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174f5bbe0/8d2683cddbea44339a33213c1b9e14b7 [2021-12-17 15:08:40,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:08:40,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:08:40,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:40,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:08:40,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:08:40,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47407284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40, skipping insertion in model container [2021-12-17 15:08:40,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:08:40,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:08:40,393 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_spec4_product08.cil.c[17389,17402] [2021-12-17 15:08:40,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:40,401 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:08:40,468 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_spec4_product08.cil.c[17389,17402] [2021-12-17 15:08:40,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:40,495 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:08:40,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40 WrapperNode [2021-12-17 15:08:40,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:40,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:40,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:08:40,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:08:40,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,541 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 219 [2021-12-17 15:08:40,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:40,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:08:40,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:08:40,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:08:40,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:08:40,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:08:40,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:08:40,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:08:40,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (1/1) ... [2021-12-17 15:08:40,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:40,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:08:40,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:08:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:08:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:08:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:08:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:08:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:08:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:08:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:08:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:08:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:08:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:08:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:08:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:08:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:08:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:08:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:08:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:08:40,700 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:08:40,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:08:40,954 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:08:40,965 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:08:40,965 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:08:40,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:40 BoogieIcfgContainer [2021-12-17 15:08:40,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:08:40,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:08:40,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:08:40,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:08:40,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:08:40" (1/3) ... [2021-12-17 15:08:40,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3eb440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:40, skipping insertion in model container [2021-12-17 15:08:40,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:40" (2/3) ... [2021-12-17 15:08:40,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3eb440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:40, skipping insertion in model container [2021-12-17 15:08:40,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:40" (3/3) ... [2021-12-17 15:08:40,976 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2021-12-17 15:08:40,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:08:40,981 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:08:41,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:08:41,029 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:08:41,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:08:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-17 15:08:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-17 15:08:41,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:41,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1667001244, now seen corresponding path program 1 times [2021-12-17 15:08:41,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553757039] [2021-12-17 15:08:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553757039] [2021-12-17 15:08:41,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553757039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:08:41,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78318499] [2021-12-17 15:08:41,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:08:41,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:08:41,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:08:41,291 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,320 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2021-12-17 15:08:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:08:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-17 15:08:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,328 INFO L225 Difference]: With dead ends: 142 [2021-12-17 15:08:41,329 INFO L226 Difference]: Without dead ends: 66 [2021-12-17 15:08:41,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:08:41,337 INFO L933 BasicCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-17 15:08:41,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-12-17 15:08:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-17 15:08:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2021-12-17 15:08:41,379 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 19 [2021-12-17 15:08:41,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,380 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2021-12-17 15:08:41,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-12-17 15:08:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-17 15:08:41,383 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,384 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] [2021-12-17 15:08:41,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:08:41,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash 108811362, now seen corresponding path program 1 times [2021-12-17 15:08:41,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044043816] [2021-12-17 15:08:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044043816] [2021-12-17 15:08:41,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044043816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:08:41,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306816733] [2021-12-17 15:08:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:08:41,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:08:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:41,456 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,481 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2021-12-17 15:08:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:08:41,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-17 15:08:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,485 INFO L225 Difference]: With dead ends: 93 [2021-12-17 15:08:41,485 INFO L226 Difference]: Without dead ends: 57 [2021-12-17 15:08:41,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:41,490 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-17 15:08:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-17 15:08:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 50 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-17 15:08:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2021-12-17 15:08:41,515 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 20 [2021-12-17 15:08:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,516 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2021-12-17 15:08:41,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-12-17 15:08:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:08:41,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:41,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:08:41,520 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1255678841, now seen corresponding path program 1 times [2021-12-17 15:08:41,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866351779] [2021-12-17 15:08:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866351779] [2021-12-17 15:08:41,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866351779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:08:41,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435280329] [2021-12-17 15:08:41,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:08:41,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:08:41,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:08:41,607 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,700 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2021-12-17 15:08:41,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:08:41,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-17 15:08:41,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,702 INFO L225 Difference]: With dead ends: 145 [2021-12-17 15:08:41,702 INFO L226 Difference]: Without dead ends: 95 [2021-12-17 15:08:41,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:41,703 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 236 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-17 15:08:41,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2021-12-17 15:08:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.352112676056338) internal successors, (96), 80 states have internal predecessors, (96), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2021-12-17 15:08:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-12-17 15:08:41,713 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2021-12-17 15:08:41,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,713 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-12-17 15:08:41,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-12-17 15:08:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 15:08:41,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,714 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] [2021-12-17 15:08:41,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:08:41,715 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1665755050, now seen corresponding path program 1 times [2021-12-17 15:08:41,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789655061] [2021-12-17 15:08:41,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789655061] [2021-12-17 15:08:41,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789655061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 15:08:41,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480974612] [2021-12-17 15:08:41,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:08:41,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:08:41,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:08:41,753 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,788 INFO L93 Difference]: Finished difference Result 250 states and 340 transitions. [2021-12-17 15:08:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:08:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-17 15:08:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,790 INFO L225 Difference]: With dead ends: 250 [2021-12-17 15:08:41,790 INFO L226 Difference]: Without dead ends: 165 [2021-12-17 15:08:41,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:08:41,791 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 44 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-17 15:08:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-12-17 15:08:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 141 states have internal predecessors, (168), 22 states have call successors, (22), 18 states have call predecessors, (22), 16 states have return successors, (27), 14 states have call predecessors, (27), 22 states have call successors, (27) [2021-12-17 15:08:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 217 transitions. [2021-12-17 15:08:41,804 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 217 transitions. Word has length 28 [2021-12-17 15:08:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,805 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 217 transitions. [2021-12-17 15:08:41,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 217 transitions. [2021-12-17 15:08:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 15:08:41,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,807 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] [2021-12-17 15:08:41,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:08:41,807 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash 166370863, now seen corresponding path program 1 times [2021-12-17 15:08:41,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217250086] [2021-12-17 15:08:41,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217250086] [2021-12-17 15:08:41,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217250086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:08:41,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752763596] [2021-12-17 15:08:41,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:08:41,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:08:41,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:41,835 INFO L87 Difference]: Start difference. First operand 165 states and 217 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,846 INFO L93 Difference]: Finished difference Result 291 states and 392 transitions. [2021-12-17 15:08:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:08:41,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-12-17 15:08:41,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,847 INFO L225 Difference]: With dead ends: 291 [2021-12-17 15:08:41,847 INFO L226 Difference]: Without dead ends: 133 [2021-12-17 15:08:41,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:41,849 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-17 15:08:41,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2021-12-17 15:08:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 111 states have internal predecessors, (132), 14 states have call successors, (14), 14 states have call predecessors, (14), 12 states have return successors, (16), 12 states have call predecessors, (16), 14 states have call successors, (16) [2021-12-17 15:08:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 162 transitions. [2021-12-17 15:08:41,857 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 162 transitions. Word has length 30 [2021-12-17 15:08:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,857 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 162 transitions. [2021-12-17 15:08:41,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2021-12-17 15:08:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:08:41,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:41,859 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] [2021-12-17 15:08:41,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:08:41,859 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:41,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash -458070448, now seen corresponding path program 1 times [2021-12-17 15:08:41,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:41,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188517097] [2021-12-17 15:08:41,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:41,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:41,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:41,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188517097] [2021-12-17 15:08:41,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188517097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:41,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:41,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:41,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553573144] [2021-12-17 15:08:41,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:41,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:41,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:41,905 INFO L87 Difference]: Start difference. First operand 131 states and 162 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:41,953 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2021-12-17 15:08:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:08:41,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2021-12-17 15:08:41,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:41,954 INFO L225 Difference]: With dead ends: 141 [2021-12-17 15:08:41,954 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:08:41,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:08:41,955 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 48 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:41,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 153 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:41,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:08:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:08:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 15:08:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:08:41,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-12-17 15:08:41,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:41,956 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:08:41,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:08:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:08:41,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:08:41,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:08:41,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:08:41,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:08:42,434 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 739 746) the Hoare annotation is: true [2021-12-17 15:08:42,435 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2021-12-17 15:08:42,435 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2021-12-17 15:08:42,435 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 698 704) no Hoare annotation was computed. [2021-12-17 15:08:42,435 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 698 704) the Hoare annotation is: true [2021-12-17 15:08:42,435 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2021-12-17 15:08:42,435 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2021-12-17 15:08:42,435 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2021-12-17 15:08:42,436 INFO L854 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0))) [2021-12-17 15:08:42,436 INFO L854 garLoopResultBuilder]: At program point L725-1(lines 706 730) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0))) [2021-12-17 15:08:42,436 INFO L854 garLoopResultBuilder]: At program point L754(lines 747 757) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,436 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 674 697) no Hoare annotation was computed. [2021-12-17 15:08:42,436 INFO L854 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1) .cse0) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse0))) [2021-12-17 15:08:42,436 INFO L854 garLoopResultBuilder]: At program point L763(lines 758 766) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse0))) [2021-12-17 15:08:42,436 INFO L858 garLoopResultBuilder]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L714(lines 714 722) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 727) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L854 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-12-17 15:08:42,437 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 662) no Hoare annotation was computed. [2021-12-17 15:08:42,438 INFO L854 garLoopResultBuilder]: At program point L649-1(lines 641 665) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift_getWaterLevel_#res#1| 1) (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 1)) .cse0) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse0))) [2021-12-17 15:08:42,438 INFO L858 garLoopResultBuilder]: For program point L678-1(lines 677 696) no Hoare annotation was computed. [2021-12-17 15:08:42,438 INFO L854 garLoopResultBuilder]: At program point L901(lines 896 903) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,438 INFO L854 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,438 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 674 697) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-12-17 15:08:42,438 INFO L854 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:08:42,438 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 674 697) no Hoare annotation was computed. [2021-12-17 15:08:42,439 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-12-17 15:08:42,439 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2021-12-17 15:08:42,439 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2021-12-17 15:08:42,439 INFO L861 garLoopResultBuilder]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2021-12-17 15:08:42,439 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2021-12-17 15:08:42,439 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-17 15:08:42,439 INFO L861 garLoopResultBuilder]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2021-12-17 15:08:42,440 INFO L861 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: true [2021-12-17 15:08:42,440 INFO L858 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2021-12-17 15:08:42,440 INFO L861 garLoopResultBuilder]: At program point L201(lines 176 205) the Hoare annotation is: true [2021-12-17 15:08:42,440 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 15:08:42,440 INFO L861 garLoopResultBuilder]: At program point L890(lines 827 894) the Hoare annotation is: true [2021-12-17 15:08:42,440 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-12-17 15:08:42,440 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2021-12-17 15:08:42,440 INFO L861 garLoopResultBuilder]: At program point L246(lines 239 248) the Hoare annotation is: true [2021-12-17 15:08:42,441 INFO L854 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,441 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 266) no Hoare annotation was computed. [2021-12-17 15:08:42,441 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 266) no Hoare annotation was computed. [2021-12-17 15:08:42,441 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:08:42,441 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:08:42,441 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:08:42,441 INFO L854 garLoopResultBuilder]: At program point L887(lines 836 888) the Hoare annotation is: false [2021-12-17 15:08:42,441 INFO L861 garLoopResultBuilder]: At program point L268(lines 249 271) the Hoare annotation is: true [2021-12-17 15:08:42,442 INFO L854 garLoopResultBuilder]: At program point L235(lines 231 237) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,442 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-12-17 15:08:42,442 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,442 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: false [2021-12-17 15:08:42,442 INFO L854 garLoopResultBuilder]: At program point L875-2(lines 867 882) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,442 INFO L858 garLoopResultBuilder]: For program point L838(lines 837 886) no Hoare annotation was computed. [2021-12-17 15:08:42,442 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 882) no Hoare annotation was computed. [2021-12-17 15:08:42,443 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 163) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,443 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:08:42,443 INFO L854 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,443 INFO L854 garLoopResultBuilder]: At program point L884(lines 837 886) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,443 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-12-17 15:08:42,443 INFO L858 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2021-12-17 15:08:42,443 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-12-17 15:08:42,444 INFO L854 garLoopResultBuilder]: At program point L154(lines 150 156) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,444 INFO L854 garLoopResultBuilder]: At program point L823(lines 818 825) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,444 INFO L854 garLoopResultBuilder]: At program point L815(lines 803 817) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= 1 |ULTIMATE.start_main_~tmp~0#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:08:42,444 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-12-17 15:08:42,444 INFO L858 garLoopResultBuilder]: For program point L807-1(lines 807 813) no Hoare annotation was computed. [2021-12-17 15:08:42,444 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2021-12-17 15:08:42,444 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2021-12-17 15:08:42,444 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2021-12-17 15:08:42,447 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-17 15:08:42,448 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:08:42,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:08:42 BoogieIcfgContainer [2021-12-17 15:08:42,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:08:42,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:08:42,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:08:42,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:08:42,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:40" (3/4) ... [2021-12-17 15:08:42,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:08:42,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:08:42,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:08:42,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:08:42,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:08:42,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:08:42,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:08:42,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-17 15:08:42,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:08:42,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:08:42,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:08:42,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:08:42,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:42,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:42,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:42,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:42,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-17 15:08:42,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:08:42,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0) [2021-12-17 15:08:42,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:08:42,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) && ((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) [2021-12-17 15:08:42,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:08:42,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 [2021-12-17 15:08:42,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(waterLevel) == 1) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0)) && ((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) [2021-12-17 15:08:42,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:08:42,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) && (((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) [2021-12-17 15:08:42,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:08:42,504 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:08:42,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:08:42,505 INFO L158 Benchmark]: Toolchain (without parser) took 2347.54ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 61.9MB in the beginning and 42.6MB in the end (delta: 19.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,505 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:08:42,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,506 INFO L158 Benchmark]: Boogie Preprocessor took 39.08ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,506 INFO L158 Benchmark]: RCFGBuilder took 382.48ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 56.0MB in the beginning and 87.2MB in the end (delta: -31.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,506 INFO L158 Benchmark]: TraceAbstraction took 1491.31ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 47.7MB in the end (delta: 39.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,507 INFO L158 Benchmark]: Witness Printer took 43.75ms. Allocated memory is still 113.2MB. Free memory was 47.7MB in the beginning and 42.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:08:42,508 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 92.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.08ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.48ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 56.0MB in the beginning and 87.2MB in the end (delta: -31.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1491.31ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 47.7MB in the end (delta: 39.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 43.75ms. Allocated memory is still 113.2MB. Free memory was 47.7MB in the beginning and 42.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. 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: 900]: 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 278 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 415 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 269 PreInvPairs, 319 NumberOfFragments, 303 HoareAnnotationTreeSize, 269 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1099 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || \result == 1) || !(\old(pumpRunning) == 0)) && ((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == \result) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) && (((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && 1 == tmp) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || (\result == 1 && tmp == 1)) || !(\old(pumpRunning) == 0)) && ((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || ((waterLevel == \old(waterLevel) && !(0 == systemActive)) && pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:08:42,543 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