./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product41.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 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:16:47,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:16:47,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:16:47,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:16:47,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:16:47,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:16:47,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:16:47,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:16:47,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:16:47,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:16:47,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:16:47,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:16:47,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:16:47,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:16:47,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:16:47,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:16:47,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:16:47,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:16:47,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:16:47,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:16:47,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:16:47,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:16:47,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:16:47,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:16:47,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:16:47,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:16:47,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:16:47,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:16:47,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:16:47,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:16:47,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:16:47,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:16:47,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:16:47,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:16:47,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:16:47,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:16:47,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:16:47,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:16:47,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:16:47,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:16:47,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:16:47,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:16:47,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:16:47,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:16:47,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:16:47,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:16:47,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:16:47,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:16:47,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:16:47,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:16:47,327 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:16:47,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:16:47,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:16:47,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:16:47,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:16:47,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:16:47,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:16:47,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:16:47,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:16:47,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:16:47,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:47,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:16:47,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:16:47,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:16:47,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 [2021-12-21 13:16:47,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:16:47,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:16:47,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:16:47,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:16:47,565 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:16:47,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-12-21 13:16:47,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d5c7343/db69a4bef624422f9fa7d4e352b440e6/FLAG0a7666d71 [2021-12-21 13:16:47,990 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:16:47,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-12-21 13:16:48,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d5c7343/db69a4bef624422f9fa7d4e352b440e6/FLAG0a7666d71 [2021-12-21 13:16:48,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d5c7343/db69a4bef624422f9fa7d4e352b440e6 [2021-12-21 13:16:48,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:16:48,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:16:48,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:48,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:16:48,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:16:48,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56414e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48, skipping insertion in model container [2021-12-21 13:16:48,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:16:48,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:16:48,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-12-21 13:16:48,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:48,240 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:16:48,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-12-21 13:16:48,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:48,305 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:16:48,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48 WrapperNode [2021-12-21 13:16:48,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:48,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:48,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:16:48,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:16:48,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,337 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 251 [2021-12-21 13:16:48,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:48,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:16:48,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:16:48,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:16:48,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:16:48,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:16:48,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:16:48,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:16:48,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (1/1) ... [2021-12-21 13:16:48,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:48,408 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) [2021-12-21 13:16:48,413 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 [2021-12-21 13:16:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:16:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:16:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:16:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:16:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:16:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:16:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:16:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:16:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:16:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-21 13:16:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-21 13:16:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:16:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:16:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:16:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:16:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:16:48,487 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:16:48,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:16:48,690 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:16:48,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:16:48,695 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:16:48,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:48 BoogieIcfgContainer [2021-12-21 13:16:48,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:16:48,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:16:48,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:16:48,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:16:48,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:16:48" (1/3) ... [2021-12-21 13:16:48,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5471c314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:48, skipping insertion in model container [2021-12-21 13:16:48,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:48" (2/3) ... [2021-12-21 13:16:48,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5471c314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:48, skipping insertion in model container [2021-12-21 13:16:48,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:48" (3/3) ... [2021-12-21 13:16:48,702 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2021-12-21 13:16:48,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:16:48,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:16:48,735 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:16:48,742 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 [2021-12-21 13:16:48,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:16:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-21 13:16:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:16:48,771 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:48,771 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:48,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:48,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1799110499, now seen corresponding path program 1 times [2021-12-21 13:16:48,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:48,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325549323] [2021-12-21 13:16:48,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:16:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:48,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:48,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325549323] [2021-12-21 13:16:48,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325549323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:48,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:48,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:16:48,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468934829] [2021-12-21 13:16:48,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:48,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:16:48,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:16:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:49,021 INFO L87 Difference]: Start difference. First operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:49,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,059 INFO L93 Difference]: Finished difference Result 159 states and 216 transitions. [2021-12-21 13:16:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:16:49,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-21 13:16:49,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,068 INFO L225 Difference]: With dead ends: 159 [2021-12-21 13:16:49,068 INFO L226 Difference]: Without dead ends: 75 [2021-12-21 13:16:49,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:49,074 INFO L933 BasicCegarLoop]: 105 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, 105 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 [2021-12-21 13:16:49,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-21 13:16:49,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-21 13:16:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 64 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-21 13:16:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-21 13:16:49,115 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 32 [2021-12-21 13:16:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,116 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-21 13:16:49,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-21 13:16:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-21 13:16:49,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,120 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:16:49,121 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,123 INFO L85 PathProgramCache]: Analyzing trace with hash -843212119, now seen corresponding path program 1 times [2021-12-21 13:16:49,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499985628] [2021-12-21 13:16:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:16:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499985628] [2021-12-21 13:16:49,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499985628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:49,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281449203] [2021-12-21 13:16:49,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:49,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:49,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,217 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,237 INFO L93 Difference]: Finished difference Result 142 states and 187 transitions. [2021-12-21 13:16:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:49,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-21 13:16:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,242 INFO L225 Difference]: With dead ends: 142 [2021-12-21 13:16:49,242 INFO L226 Difference]: Without dead ends: 75 [2021-12-21 13:16:49,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,246 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 94 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 [2021-12-21 13:16:49,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-21 13:16:49,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-21 13:16:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 64 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-21 13:16:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-21 13:16:49,259 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 37 [2021-12-21 13:16:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,261 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-21 13:16:49,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-21 13:16:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 13:16:49,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,266 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:16:49,266 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,267 INFO L85 PathProgramCache]: Analyzing trace with hash 404070432, now seen corresponding path program 1 times [2021-12-21 13:16:49,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735360991] [2021-12-21 13:16:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:16:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:16:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:16:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735360991] [2021-12-21 13:16:49,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735360991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:49,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35592829] [2021-12-21 13:16:49,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:49,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:49,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,348 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-21 13:16:49,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,360 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2021-12-21 13:16:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:49,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-12-21 13:16:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,362 INFO L225 Difference]: With dead ends: 115 [2021-12-21 13:16:49,362 INFO L226 Difference]: Without dead ends: 66 [2021-12-21 13:16:49,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,364 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 12 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 148 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 [2021-12-21 13:16:49,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-21 13:16:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-12-21 13:16:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 58 states have internal predecessors, (69), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:16:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2021-12-21 13:16:49,372 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 38 [2021-12-21 13:16:49,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,372 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2021-12-21 13:16:49,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-21 13:16:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-12-21 13:16:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 13:16:49,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,373 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:16:49,374 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,374 INFO L85 PathProgramCache]: Analyzing trace with hash -611781306, now seen corresponding path program 1 times [2021-12-21 13:16:49,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233214679] [2021-12-21 13:16:49,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 13:16:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233214679] [2021-12-21 13:16:49,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233214679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:49,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229316812] [2021-12-21 13:16:49,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:49,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:49,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,459 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:49,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,488 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2021-12-21 13:16:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:49,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2021-12-21 13:16:49,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,490 INFO L225 Difference]: With dead ends: 168 [2021-12-21 13:16:49,491 INFO L226 Difference]: Without dead ends: 110 [2021-12-21 13:16:49,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,493 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 52 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:49,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 148 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-12-21 13:16:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2021-12-21 13:16:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 92 states have internal predecessors, (110), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-21 13:16:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 136 transitions. [2021-12-21 13:16:49,506 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 136 transitions. Word has length 42 [2021-12-21 13:16:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,506 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 136 transitions. [2021-12-21 13:16:49,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:16:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2021-12-21 13:16:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 13:16:49,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,509 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:16:49,509 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1086611922, now seen corresponding path program 1 times [2021-12-21 13:16:49,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543395836] [2021-12-21 13:16:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:16:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:16:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:16:49,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543395836] [2021-12-21 13:16:49,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543395836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:49,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295350487] [2021-12-21 13:16:49,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:49,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:49,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:49,608 INFO L87 Difference]: Start difference. First operand 108 states and 136 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-21 13:16:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,687 INFO L93 Difference]: Finished difference Result 213 states and 272 transitions. [2021-12-21 13:16:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:16:49,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2021-12-21 13:16:49,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,690 INFO L225 Difference]: With dead ends: 213 [2021-12-21 13:16:49,690 INFO L226 Difference]: Without dead ends: 113 [2021-12-21 13:16:49,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:16:49,693 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:49,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 400 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-21 13:16:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2021-12-21 13:16:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 91 states have internal predecessors, (107), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-21 13:16:49,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2021-12-21 13:16:49,710 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 48 [2021-12-21 13:16:49,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,711 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2021-12-21 13:16:49,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-21 13:16:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2021-12-21 13:16:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 13:16:49,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,712 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:16:49,712 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1241687140, now seen corresponding path program 1 times [2021-12-21 13:16:49,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469275108] [2021-12-21 13:16:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 13:16:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469275108] [2021-12-21 13:16:49,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469275108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:16:49,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021973806] [2021-12-21 13:16:49,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:16:49,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:16:49,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:49,780 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,814 INFO L93 Difference]: Finished difference Result 230 states and 294 transitions. [2021-12-21 13:16:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:16:49,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-21 13:16:49,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,817 INFO L225 Difference]: With dead ends: 230 [2021-12-21 13:16:49,817 INFO L226 Difference]: Without dead ends: 131 [2021-12-21 13:16:49,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:16:49,820 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 33 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:49,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 344 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-21 13:16:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 110. [2021-12-21 13:16:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.264367816091954) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-21 13:16:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 136 transitions. [2021-12-21 13:16:49,843 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 136 transitions. Word has length 50 [2021-12-21 13:16:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,843 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 136 transitions. [2021-12-21 13:16:49,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 136 transitions. [2021-12-21 13:16:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 13:16:49,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,844 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:16:49,844 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -818985314, now seen corresponding path program 1 times [2021-12-21 13:16:49,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599858627] [2021-12-21 13:16:49,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 13:16:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599858627] [2021-12-21 13:16:49,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599858627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:16:49,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38190157] [2021-12-21 13:16:49,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:16:49,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:16:49,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:49,880 INFO L87 Difference]: Start difference. First operand 110 states and 136 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:49,912 INFO L93 Difference]: Finished difference Result 239 states and 304 transitions. [2021-12-21 13:16:49,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:16:49,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-21 13:16:49,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:49,913 INFO L225 Difference]: With dead ends: 239 [2021-12-21 13:16:49,913 INFO L226 Difference]: Without dead ends: 137 [2021-12-21 13:16:49,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:16:49,914 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 124 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:49,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 242 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:49,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-12-21 13:16:49,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2021-12-21 13:16:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2021-12-21 13:16:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2021-12-21 13:16:49,920 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 50 [2021-12-21 13:16:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:49,920 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2021-12-21 13:16:49,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2021-12-21 13:16:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 13:16:49,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:49,921 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:49,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:16:49,922 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:49,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1670543648, now seen corresponding path program 1 times [2021-12-21 13:16:49,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:49,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111892358] [2021-12-21 13:16:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:49,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 13:16:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:49,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:49,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111892358] [2021-12-21 13:16:49,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111892358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:49,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:49,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:49,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163031075] [2021-12-21 13:16:49,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:49,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:49,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:49,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:49,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:49,988 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:50,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:50,004 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2021-12-21 13:16:50,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:50,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2021-12-21 13:16:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:50,007 INFO L225 Difference]: With dead ends: 261 [2021-12-21 13:16:50,007 INFO L226 Difference]: Without dead ends: 157 [2021-12-21 13:16:50,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:50,008 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:50,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:50,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-12-21 13:16:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-12-21 13:16:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2021-12-21 13:16:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 191 transitions. [2021-12-21 13:16:50,018 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 191 transitions. Word has length 50 [2021-12-21 13:16:50,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:50,019 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 191 transitions. [2021-12-21 13:16:50,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 13:16:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2021-12-21 13:16:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-21 13:16:50,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:50,020 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:50,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:16:50,020 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:50,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:50,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1976434234, now seen corresponding path program 1 times [2021-12-21 13:16:50,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:50,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761746886] [2021-12-21 13:16:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 13:16:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:50,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:50,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761746886] [2021-12-21 13:16:50,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761746886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:50,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:50,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 13:16:50,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542619885] [2021-12-21 13:16:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:50,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 13:16:50,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 13:16:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 13:16:50,111 INFO L87 Difference]: Start difference. First operand 157 states and 191 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 13:16:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:50,339 INFO L93 Difference]: Finished difference Result 531 states and 670 transitions. [2021-12-21 13:16:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 13:16:50,339 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2021-12-21 13:16:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:50,345 INFO L225 Difference]: With dead ends: 531 [2021-12-21 13:16:50,345 INFO L226 Difference]: Without dead ends: 427 [2021-12-21 13:16:50,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:16:50,347 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 222 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:50,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 633 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:50,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-12-21 13:16:50,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 393. [2021-12-21 13:16:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 334 states have internal predecessors, (381), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2021-12-21 13:16:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 479 transitions. [2021-12-21 13:16:50,368 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 479 transitions. Word has length 54 [2021-12-21 13:16:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:50,368 INFO L470 AbstractCegarLoop]: Abstraction has 393 states and 479 transitions. [2021-12-21 13:16:50,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 13:16:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 479 transitions. [2021-12-21 13:16:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-21 13:16:50,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:50,369 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:50,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:16:50,369 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:50,369 INFO L85 PathProgramCache]: Analyzing trace with hash -128825948, now seen corresponding path program 1 times [2021-12-21 13:16:50,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:50,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508805675] [2021-12-21 13:16:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:16:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:16:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 13:16:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 13:16:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:16:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:16:50,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:50,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508805675] [2021-12-21 13:16:50,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508805675] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:16:50,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609005765] [2021-12-21 13:16:50,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:50,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:16:50,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:50,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:16:50,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:16:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:50,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:16:50,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:16:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:16:50,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:16:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 13:16:50,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609005765] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:16:50,986 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:16:50,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2021-12-21 13:16:50,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142702025] [2021-12-21 13:16:50,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:16:50,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 13:16:50,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:50,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 13:16:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 13:16:50,987 INFO L87 Difference]: Start difference. First operand 393 states and 479 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-21 13:16:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:51,391 INFO L93 Difference]: Finished difference Result 624 states and 786 transitions. [2021-12-21 13:16:51,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-21 13:16:51,391 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) Word has length 85 [2021-12-21 13:16:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:51,392 INFO L225 Difference]: With dead ends: 624 [2021-12-21 13:16:51,392 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:16:51,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2021-12-21 13:16:51,394 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 274 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:51,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 838 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:16:51,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:16:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:16:51,395 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) [2021-12-21 13:16:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:16:51,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-12-21 13:16:51,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:51,396 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:16:51,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-21 13:16:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:16:51,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:16:51,399 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:16:51,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 13:16:51,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 13:16:51,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:16:53,537 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 337 343) no Hoare annotation was computed. [2021-12-21 13:16:53,537 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 337 343) the Hoare annotation is: true [2021-12-21 13:16:53,537 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 134 145) the Hoare annotation is: true [2021-12-21 13:16:53,537 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 134 145) no Hoare annotation was computed. [2021-12-21 13:16:53,537 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 134 145) no Hoare annotation was computed. [2021-12-21 13:16:53,537 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 361) no Hoare annotation was computed. [2021-12-21 13:16:53,538 INFO L854 garLoopResultBuilder]: At program point L386-2(lines 379 395) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) .cse0 .cse2 (and (<= 1 ~pumpRunning~0) .cse5) .cse3)))) [2021-12-21 13:16:53,538 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 366) no Hoare annotation was computed. [2021-12-21 13:16:53,538 INFO L854 garLoopResultBuilder]: At program point L411(lines 404 414) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:53,539 INFO L854 garLoopResultBuilder]: At program point L151(lines 146 154) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:53,539 INFO L858 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2021-12-21 13:16:53,539 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-21 13:16:53,539 INFO L858 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2021-12-21 13:16:53,539 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-12-21 13:16:53,539 INFO L854 garLoopResultBuilder]: At program point L114-2(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2021-12-21 13:16:53,540 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 310 336) no Hoare annotation was computed. [2021-12-21 13:16:53,540 INFO L854 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse7 (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse4 .cse5 .cse6) (or .cse0 (and .cse2 .cse7) .cse1 .cse4 .cse6) (or .cse1 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2021-12-21 13:16:53,540 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-12-21 13:16:53,540 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 313 335) no Hoare annotation was computed. [2021-12-21 13:16:53,540 INFO L854 garLoopResultBuilder]: At program point L375(lines 370 377) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:53,541 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= ~pumpRunning~0 0) .cse4)) (or .cse1 .cse5 (and .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse5 .cse2 .cse3 (and .cse6 .cse4 .cse7)))) [2021-12-21 13:16:53,541 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-12-21 13:16:53,541 INFO L854 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift_processEnvironment_~tmp~2#1| 0)) (.cse1 (not .cse6)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse4 .cse5 .cse6 (= ~waterLevel~0 1))) (or .cse1 .cse7 .cse2 .cse3)))) [2021-12-21 13:16:53,542 INFO L854 garLoopResultBuilder]: At program point L475(lines 460 478) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse5) (or .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_#res#1| 0) (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0) (= ~waterLevel~0 1) (not (= |timeShift_isHighWaterLevel_~tmp~4#1| 0))) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:53,542 INFO L858 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-12-21 13:16:53,542 INFO L854 garLoopResultBuilder]: At program point L364(line 364) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse1 .cse4 .cse2 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6)))) [2021-12-21 13:16:53,542 INFO L854 garLoopResultBuilder]: At program point L364-1(lines 345 369) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 1)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3)) (or .cse1 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse2 .cse7) .cse1 .cse8 (and .cse5 .cse7) .cse9)) (or .cse1 .cse4 .cse8 .cse9 (and .cse5 .cse3 .cse6)))) [2021-12-21 13:16:53,542 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2021-12-21 13:16:53,543 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2021-12-21 13:16:53,545 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-12-21 13:16:53,545 INFO L854 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse1 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (and .cse6 .cse1 .cse2) .cse7)) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4 (and .cse0 .cse8)) (or .cse4 .cse9 (and .cse6 .cse10) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse9 .cse5 .cse7 (and .cse6 .cse8 .cse10)))) [2021-12-21 13:16:53,545 INFO L854 garLoopResultBuilder]: At program point L951(lines 946 953) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse0 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse0))) [2021-12-21 13:16:53,545 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-12-21 13:16:53,545 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 310 336) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 .cse3 .cse5 .cse6) (or .cse3 .cse7 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse7 .cse5 .cse6 .cse8)))) [2021-12-21 13:16:53,546 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse3 .cse4 (and .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse4 .cse7 .cse8 (and .cse5 (= ~waterLevel~0 1) .cse6)) (let ((.cse9 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse1 .cse9 .cse2 .cse10) .cse0 .cse3 .cse7 (and .cse5 .cse9 .cse2 .cse10) .cse8)))) [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 310 336) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L854 garLoopResultBuilder]: At program point L196(lines 187 200) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (not (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (= ~waterLevel~0 1))) (or .cse1 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse4 .cse5))) [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L386(lines 386 392) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L861 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L861 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2021-12-21 13:16:53,546 INFO L861 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2021-12-21 13:16:53,546 INFO L858 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2021-12-21 13:16:53,546 INFO L861 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L291-2(lines 291 298) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L510-1(lines 510 516) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L861 garLoopResultBuilder]: At program point L539(lines 480 543) the Hoare annotation is: true [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse5 .cse3 .cse1 .cse2 .cse4))) [2021-12-21 13:16:53,547 INFO L861 garLoopResultBuilder]: At program point L275(lines 267 277) the Hoare annotation is: true [2021-12-21 13:16:53,547 INFO L861 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: false [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 531) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L933(lines 929 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse5 .cse3 .cse1 .cse2 .cse4))) [2021-12-21 13:16:53,547 INFO L854 garLoopResultBuilder]: At program point L533(lines 490 535) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse5 .cse3 .cse1 .cse2 .cse4))) [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-12-21 13:16:53,547 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L854 garLoopResultBuilder]: At program point L926(lines 922 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:53,548 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L854 garLoopResultBuilder]: At program point L526-2(lines 520 531) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse5 .cse3 .cse1 .cse2 .cse4))) [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 122 133) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 122 133) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse4 .cse3 .cse5))) [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2021-12-21 13:16:53,548 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2021-12-21 13:16:53,548 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2021-12-21 13:16:53,550 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:53,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:16:53,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:16:53 BoogieIcfgContainer [2021-12-21 13:16:53,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:16:53,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:16:53,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:16:53,582 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:16:53,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:48" (3/4) ... [2021-12-21 13:16:53,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:16:53,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-21 13:16:53,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-21 13:16:53,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:16:53,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:16:53,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:16:53,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:16:53,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:16:53,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:16:53,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-21 13:16:53,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:53,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1) && !(tmp == 0))) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:53,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:53,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2021-12-21 13:16:53,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2021-12-21 13:16:53,638 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:16:53,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:16:53,639 INFO L158 Benchmark]: Toolchain (without parser) took 5622.01ms. Allocated memory was 96.5MB in the beginning and 201.3MB in the end (delta: 104.9MB). Free memory was 68.3MB in the beginning and 173.2MB in the end (delta: -104.9MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,639 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:16:53,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.27ms. Allocated memory was 96.5MB in the beginning and 148.9MB in the end (delta: 52.4MB). Free memory was 67.9MB in the beginning and 116.9MB in the end (delta: -48.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.80ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,640 INFO L158 Benchmark]: Boogie Preprocessor took 17.42ms. Allocated memory is still 148.9MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,640 INFO L158 Benchmark]: RCFGBuilder took 340.77ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 96.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,640 INFO L158 Benchmark]: TraceAbstraction took 4883.73ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 95.9MB in the beginning and 74.3MB in the end (delta: 21.6MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,641 INFO L158 Benchmark]: Witness Printer took 56.46ms. Allocated memory is still 201.3MB. Free memory was 74.3MB in the beginning and 173.2MB in the end (delta: -98.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 13:16:53,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.27ms. Allocated memory was 96.5MB in the beginning and 148.9MB in the end (delta: 52.4MB). Free memory was 67.9MB in the beginning and 116.9MB in the end (delta: -48.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.80ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.42ms. Allocated memory is still 148.9MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.77ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 96.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4883.73ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 95.9MB in the beginning and 74.3MB in the end (delta: 21.6MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 56.46ms. Allocated memory is still 201.3MB. Free memory was 74.3MB in the beginning and 173.2MB in the end (delta: -98.9MB). 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: 950]: 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, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 881 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 861 mSDsluCounter, 3109 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2100 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 841 IncrementalHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 1009 mSDtfsCounter, 841 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 241 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=9, InterpolantAutomatonStates: 67, 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, 10 MinimizatonAttempts, 88 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 723 PreInvPairs, 829 NumberOfFragments, 1815 HoareAnnotationTreeSize, 723 FomulaSimplifications, 424 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 3663 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 571 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 1446 SizeOfPredicates, 3 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 85/114 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: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && waterLevel == 1) && !(tmp == 0))) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || ((((pumpRunning == 0 && 1 < waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:16:53,680 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